diff options
Diffstat (limited to 'drivers')
244 files changed, 2070 insertions, 1530 deletions
diff --git a/drivers/acpi/nfit/mce.c b/drivers/acpi/nfit/mce.c index 4c745bf389fe..161f91539ae6 100644 --- a/drivers/acpi/nfit/mce.c +++ b/drivers/acpi/nfit/mce.c @@ -42,7 +42,7 @@ static int nfit_handle_mce(struct notifier_block *nb, unsigned long val, list_for_each_entry(nfit_spa, &acpi_desc->spas, list) { struct acpi_nfit_system_address *spa = nfit_spa->spa; - if (nfit_spa_type(spa) == NFIT_SPA_PM) + if (nfit_spa_type(spa) != NFIT_SPA_PM) continue; /* find the spa that covers the mce addr */ if (spa->address > mce->addr) diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index ad9fc84a8601..e878fc799af7 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -2054,7 +2054,7 @@ int __init acpi_scan_init(void) static struct acpi_probe_entry *ape; static int acpi_probe_count; -static DEFINE_SPINLOCK(acpi_probe_lock); +static DEFINE_MUTEX(acpi_probe_mutex); static int __init acpi_match_madt(struct acpi_subtable_header *header, const unsigned long end) @@ -2073,7 +2073,7 @@ int __init __acpi_probe_device_table(struct acpi_probe_entry *ap_head, int nr) if (acpi_disabled) return 0; - spin_lock(&acpi_probe_lock); + mutex_lock(&acpi_probe_mutex); for (ape = ap_head; nr; ape++, nr--) { if (ACPI_COMPARE_NAME(ACPI_SIG_MADT, ape->id)) { acpi_probe_count = 0; @@ -2086,7 +2086,7 @@ int __init __acpi_probe_device_table(struct acpi_probe_entry *ap_head, int nr) count++; } } - spin_unlock(&acpi_probe_lock); + mutex_unlock(&acpi_probe_mutex); return count; } diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 7461a587b39b..dcf2c724fd06 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -2524,7 +2524,7 @@ static int ahci_host_activate_multi_irqs(struct ata_host *host, /* Do not receive interrupts sent by dummy ports */ if (!pp) { - disable_irq(irq + i); + disable_irq(irq); continue; } diff --git a/drivers/ata/pata_ninja32.c b/drivers/ata/pata_ninja32.c index 633aa2934a18..44f97ad3c88d 100644 --- a/drivers/ata/pata_ninja32.c +++ b/drivers/ata/pata_ninja32.c @@ -144,7 +144,7 @@ static int ninja32_init_one(struct pci_dev *dev, const struct pci_device_id *id) ap->ioaddr.altstatus_addr = base + 0x1E; ap->ioaddr.bmdma_addr = base; ata_sff_std_ports(&ap->ioaddr); - ap->pflags = ATA_PFLAG_PIO32 | ATA_PFLAG_PIO32CHANGE; + ap->pflags |= ATA_PFLAG_PIO32 | ATA_PFLAG_PIO32CHANGE; ninja32_program(base); /* FIXME: Should we disable them at remove ? */ diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index e097d355cc04..17995fadebd7 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -301,7 +301,7 @@ static int rpm_idle(struct device *dev, int rpmflags) int (*callback)(struct device *); int retval; - trace_rpm_idle(dev, rpmflags); + trace_rpm_idle_rcuidle(dev, rpmflags); retval = rpm_check_suspend_allowed(dev); if (retval < 0) ; /* Conditions are wrong. */ @@ -337,7 +337,7 @@ static int rpm_idle(struct device *dev, int rpmflags) dev->power.request_pending = true; queue_work(pm_wq, &dev->power.work); } - trace_rpm_return_int(dev, _THIS_IP_, 0); + trace_rpm_return_int_rcuidle(dev, _THIS_IP_, 0); return 0; } @@ -352,7 +352,7 @@ static int rpm_idle(struct device *dev, int rpmflags) wake_up_all(&dev->power.wait_queue); out: - trace_rpm_return_int(dev, _THIS_IP_, retval); + trace_rpm_return_int_rcuidle(dev, _THIS_IP_, retval); return retval ? retval : rpm_suspend(dev, rpmflags | RPM_AUTO); } @@ -601,7 +601,7 @@ static int rpm_resume(struct device *dev, int rpmflags) struct device *parent = NULL; int retval = 0; - trace_rpm_resume(dev, rpmflags); + trace_rpm_resume_rcuidle(dev, rpmflags); repeat: if (dev->power.runtime_error) @@ -764,7 +764,7 @@ static int rpm_resume(struct device *dev, int rpmflags) spin_lock_irq(&dev->power.lock); } - trace_rpm_return_int(dev, _THIS_IP_, retval); + trace_rpm_return_int_rcuidle(dev, _THIS_IP_, retval); return retval; } diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c index aa56af87d941..b11af3f2c1db 100644 --- a/drivers/base/regmap/regcache-rbtree.c +++ b/drivers/base/regmap/regcache-rbtree.c @@ -404,6 +404,7 @@ static int regcache_rbtree_write(struct regmap *map, unsigned int reg, unsigned int new_base_reg, new_top_reg; unsigned int min, max; unsigned int max_dist; + unsigned int dist, best_dist = UINT_MAX; max_dist = map->reg_stride * sizeof(*rbnode_tmp) / map->cache_word_size; @@ -423,24 +424,41 @@ static int regcache_rbtree_write(struct regmap *map, unsigned int reg, &base_reg, &top_reg); if (base_reg <= max && top_reg >= min) { - new_base_reg = min(reg, base_reg); - new_top_reg = max(reg, top_reg); - } else { - if (max < base_reg) - node = node->rb_left; + if (reg < base_reg) + dist = base_reg - reg; + else if (reg > top_reg) + dist = reg - top_reg; else - node = node->rb_right; - - continue; + dist = 0; + if (dist < best_dist) { + rbnode = rbnode_tmp; + best_dist = dist; + new_base_reg = min(reg, base_reg); + new_top_reg = max(reg, top_reg); + } } - ret = regcache_rbtree_insert_to_block(map, rbnode_tmp, + /* + * Keep looking, we want to choose the closest block, + * otherwise we might end up creating overlapping + * blocks, which breaks the rbtree. + */ + if (reg < base_reg) + node = node->rb_left; + else if (reg > top_reg) + node = node->rb_right; + else + break; + } + + if (rbnode) { + ret = regcache_rbtree_insert_to_block(map, rbnode, new_base_reg, new_top_reg, reg, value); if (ret) return ret; - rbtree_ctx->cached_rbnode = rbnode_tmp; + rbtree_ctx->cached_rbnode = rbnode; return 0; } diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index df7ff7290821..4e582561e1e7 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -38,10 +38,11 @@ static int regcache_hw_init(struct regmap *map) /* calculate the size of reg_defaults */ for (count = 0, i = 0; i < map->num_reg_defaults_raw; i++) - if (!regmap_volatile(map, i * map->reg_stride)) + if (regmap_readable(map, i * map->reg_stride) && + !regmap_volatile(map, i * map->reg_stride)) count++; - /* all registers are volatile, so just bypass */ + /* all registers are unreadable or volatile, so just bypass */ if (!count) { map->cache_bypass = true; return 0; diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 51fa7d66a393..25d26bb18970 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1474,6 +1474,8 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg, ret = map->bus->write(map->bus_context, buf, len); kfree(buf); + } else if (ret != 0 && !map->cache_bypass && map->format.parse_val) { + regcache_drop_region(map, reg, reg + 1); } trace_regmap_hw_write_done(map, reg, val_len / map->format.val_bytes); diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c index 5755907f836f..ffa7c9dcbd7a 100644 --- a/drivers/bus/arm-cci.c +++ b/drivers/bus/arm-cci.c @@ -551,7 +551,7 @@ static struct attribute *cci5xx_pmu_event_attrs[] = { CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_wrq, 0xB), CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_cd_hs, 0xC), CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_rq_stall_addr_hazard, 0xD), - CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snopp_rq_stall_tt_full, 0xE), + CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_rq_stall_tt_full, 0xE), CCI5xx_GLOBAL_EVENT_EXT_ATTR_ENTRY(cci_snoop_rq_tzmp1_prot, 0xF), NULL }; diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c index 97a9185af433..884c0305e290 100644 --- a/drivers/bus/arm-ccn.c +++ b/drivers/bus/arm-ccn.c @@ -187,6 +187,7 @@ struct arm_ccn { struct arm_ccn_component *xp; struct arm_ccn_dt dt; + int mn_id; }; static DEFINE_MUTEX(arm_ccn_mutex); @@ -212,6 +213,7 @@ static int arm_ccn_node_to_xp_port(int node) #define CCN_CONFIG_TYPE(_config) (((_config) >> 8) & 0xff) #define CCN_CONFIG_EVENT(_config) (((_config) >> 16) & 0xff) #define CCN_CONFIG_PORT(_config) (((_config) >> 24) & 0x3) +#define CCN_CONFIG_BUS(_config) (((_config) >> 24) & 0x3) #define CCN_CONFIG_VC(_config) (((_config) >> 26) & 0x7) #define CCN_CONFIG_DIR(_config) (((_config) >> 29) & 0x1) #define CCN_CONFIG_MASK(_config) (((_config) >> 30) & 0xf) @@ -241,6 +243,7 @@ static CCN_FORMAT_ATTR(xp, "config:0-7"); static CCN_FORMAT_ATTR(type, "config:8-15"); static CCN_FORMAT_ATTR(event, "config:16-23"); static CCN_FORMAT_ATTR(port, "config:24-25"); +static CCN_FORMAT_ATTR(bus, "config:24-25"); static CCN_FORMAT_ATTR(vc, "config:26-28"); static CCN_FORMAT_ATTR(dir, "config:29-29"); static CCN_FORMAT_ATTR(mask, "config:30-33"); @@ -253,6 +256,7 @@ static struct attribute *arm_ccn_pmu_format_attrs[] = { &arm_ccn_pmu_format_attr_type.attr.attr, &arm_ccn_pmu_format_attr_event.attr.attr, &arm_ccn_pmu_format_attr_port.attr.attr, + &arm_ccn_pmu_format_attr_bus.attr.attr, &arm_ccn_pmu_format_attr_vc.attr.attr, &arm_ccn_pmu_format_attr_dir.attr.attr, &arm_ccn_pmu_format_attr_mask.attr.attr, @@ -328,6 +332,7 @@ struct arm_ccn_pmu_event { static ssize_t arm_ccn_pmu_event_show(struct device *dev, struct device_attribute *attr, char *buf) { + struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev)); struct arm_ccn_pmu_event *event = container_of(attr, struct arm_ccn_pmu_event, attr); ssize_t res; @@ -349,10 +354,17 @@ static ssize_t arm_ccn_pmu_event_show(struct device *dev, break; case CCN_TYPE_XP: res += snprintf(buf + res, PAGE_SIZE - res, - ",xp=?,port=?,vc=?,dir=?"); + ",xp=?,vc=?"); if (event->event == CCN_EVENT_WATCHPOINT) res += snprintf(buf + res, PAGE_SIZE - res, - ",cmp_l=?,cmp_h=?,mask=?"); + ",port=?,dir=?,cmp_l=?,cmp_h=?,mask=?"); + else + res += snprintf(buf + res, PAGE_SIZE - res, + ",bus=?"); + + break; + case CCN_TYPE_MN: + res += snprintf(buf + res, PAGE_SIZE - res, ",node=%d", ccn->mn_id); break; default: res += snprintf(buf + res, PAGE_SIZE - res, ",node=?"); @@ -383,9 +395,9 @@ static umode_t arm_ccn_pmu_events_is_visible(struct kobject *kobj, } static struct arm_ccn_pmu_event arm_ccn_pmu_events[] = { - CCN_EVENT_MN(eobarrier, "dir=0,vc=0,cmp_h=0x1c00", CCN_IDX_MASK_OPCODE), - CCN_EVENT_MN(ecbarrier, "dir=0,vc=0,cmp_h=0x1e00", CCN_IDX_MASK_OPCODE), - CCN_EVENT_MN(dvmop, "dir=0,vc=0,cmp_h=0x2800", CCN_IDX_MASK_OPCODE), + CCN_EVENT_MN(eobarrier, "dir=1,vc=0,cmp_h=0x1c00", CCN_IDX_MASK_OPCODE), + CCN_EVENT_MN(ecbarrier, "dir=1,vc=0,cmp_h=0x1e00", CCN_IDX_MASK_OPCODE), + CCN_EVENT_MN(dvmop, "dir=1,vc=0,cmp_h=0x2800", CCN_IDX_MASK_OPCODE), CCN_EVENT_HNI(txdatflits, "dir=1,vc=3", CCN_IDX_MASK_ANY), CCN_EVENT_HNI(rxdatflits, "dir=0,vc=3", CCN_IDX_MASK_ANY), CCN_EVENT_HNI(txreqflits, "dir=1,vc=0", CCN_IDX_MASK_ANY), @@ -733,9 +745,10 @@ static int arm_ccn_pmu_event_init(struct perf_event *event) if (has_branch_stack(event) || event->attr.exclude_user || event->attr.exclude_kernel || event->attr.exclude_hv || - event->attr.exclude_idle) { + event->attr.exclude_idle || event->attr.exclude_host || + event->attr.exclude_guest) { dev_warn(ccn->dev, "Can't exclude execution levels!\n"); - return -EOPNOTSUPP; + return -EINVAL; } if (event->cpu < 0) { @@ -759,6 +772,12 @@ static int arm_ccn_pmu_event_init(struct perf_event *event) /* Validate node/xp vs topology */ switch (type) { + case CCN_TYPE_MN: + if (node_xp != ccn->mn_id) { + dev_warn(ccn->dev, "Invalid MN ID %d!\n", node_xp); + return -EINVAL; + } + break; case CCN_TYPE_XP: if (node_xp >= ccn->num_xps) { dev_warn(ccn->dev, "Invalid XP ID %d!\n", node_xp); @@ -886,6 +905,10 @@ static void arm_ccn_pmu_xp_dt_config(struct perf_event *event, int enable) struct arm_ccn_component *xp; u32 val, dt_cfg; + /* Nothing to do for cycle counter */ + if (hw->idx == CCN_IDX_PMU_CYCLE_COUNTER) + return; + if (CCN_CONFIG_TYPE(event->attr.config) == CCN_TYPE_XP) xp = &ccn->xp[CCN_CONFIG_XP(event->attr.config)]; else @@ -917,38 +940,17 @@ static void arm_ccn_pmu_event_start(struct perf_event *event, int flags) arm_ccn_pmu_read_counter(ccn, hw->idx)); hw->state = 0; - /* - * Pin the timer, so that the overflows are handled by the chosen - * event->cpu (this is the same one as presented in "cpumask" - * attribute). - */ - if (!ccn->irq) - hrtimer_start(&ccn->dt.hrtimer, arm_ccn_pmu_timer_period(), - HRTIMER_MODE_REL_PINNED); - /* Set the DT bus input, engaging the counter */ arm_ccn_pmu_xp_dt_config(event, 1); } static void arm_ccn_pmu_event_stop(struct perf_event *event, int flags) { - struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); struct hw_perf_event *hw = &event->hw; - u64 timeout; /* Disable counting, setting the DT bus to pass-through mode */ arm_ccn_pmu_xp_dt_config(event, 0); - if (!ccn->irq) - hrtimer_cancel(&ccn->dt.hrtimer); - - /* Let the DT bus drain */ - timeout = arm_ccn_pmu_read_counter(ccn, CCN_IDX_PMU_CYCLE_COUNTER) + - ccn->num_xps; - while (arm_ccn_pmu_read_counter(ccn, CCN_IDX_PMU_CYCLE_COUNTER) < - timeout) - cpu_relax(); - if (flags & PERF_EF_UPDATE) arm_ccn_pmu_event_update(event); @@ -988,7 +990,7 @@ static void arm_ccn_pmu_xp_watchpoint_config(struct perf_event *event) /* Comparison values */ writel(cmp_l & 0xffffffff, source->base + CCN_XP_DT_CMP_VAL_L(wp)); - writel((cmp_l >> 32) & 0xefffffff, + writel((cmp_l >> 32) & 0x7fffffff, source->base + CCN_XP_DT_CMP_VAL_L(wp) + 4); writel(cmp_h & 0xffffffff, source->base + CCN_XP_DT_CMP_VAL_H(wp)); writel((cmp_h >> 32) & 0x0fffffff, @@ -996,7 +998,7 @@ static void arm_ccn_pmu_xp_watchpoint_config(struct perf_event *event) /* Mask */ writel(mask_l & 0xffffffff, source->base + CCN_XP_DT_CMP_MASK_L(wp)); - writel((mask_l >> 32) & 0xefffffff, + writel((mask_l >> 32) & 0x7fffffff, source->base + CCN_XP_DT_CMP_MASK_L(wp) + 4); writel(mask_h & 0xffffffff, source->base + CCN_XP_DT_CMP_MASK_H(wp)); writel((mask_h >> 32) & 0x0fffffff, @@ -1014,7 +1016,7 @@ static void arm_ccn_pmu_xp_event_config(struct perf_event *event) hw->event_base = CCN_XP_DT_CONFIG__DT_CFG__XP_PMU_EVENT(hw->config_base); id = (CCN_CONFIG_VC(event->attr.config) << 4) | - (CCN_CONFIG_PORT(event->attr.config) << 3) | + (CCN_CONFIG_BUS(event->attr.config) << 3) | (CCN_CONFIG_EVENT(event->attr.config) << 0); val = readl(source->base + CCN_XP_PMU_EVENT_SEL); @@ -1099,15 +1101,31 @@ static void arm_ccn_pmu_event_config(struct perf_event *event) spin_unlock(&ccn->dt.config_lock); } +static int arm_ccn_pmu_active_counters(struct arm_ccn *ccn) +{ + return bitmap_weight(ccn->dt.pmu_counters_mask, + CCN_NUM_PMU_EVENT_COUNTERS + 1); +} + static int arm_ccn_pmu_event_add(struct perf_event *event, int flags) { int err; struct hw_perf_event *hw = &event->hw; + struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); err = arm_ccn_pmu_event_alloc(event); if (err) return err; + /* + * Pin the timer, so that the overflows are handled by the chosen + * event->cpu (this is the same one as presented in "cpumask" + * attribute). + */ + if (!ccn->irq && arm_ccn_pmu_active_counters(ccn) == 1) + hrtimer_start(&ccn->dt.hrtimer, arm_ccn_pmu_timer_period(), + HRTIMER_MODE_REL_PINNED); + arm_ccn_pmu_event_config(event); hw->state = PERF_HES_STOPPED; @@ -1120,9 +1138,14 @@ static int arm_ccn_pmu_event_add(struct perf_event *event, int flags) static void arm_ccn_pmu_event_del(struct perf_event *event, int flags) { + struct arm_ccn *ccn = pmu_to_arm_ccn(event->pmu); + arm_ccn_pmu_event_stop(event, PERF_EF_UPDATE); arm_ccn_pmu_event_release(event); + + if (!ccn->irq && arm_ccn_pmu_active_counters(ccn) == 0) + hrtimer_cancel(&ccn->dt.hrtimer); } static void arm_ccn_pmu_event_read(struct perf_event *event) @@ -1130,6 +1153,24 @@ static void arm_ccn_pmu_event_read(struct perf_event *event) arm_ccn_pmu_event_update(event); } +static void arm_ccn_pmu_enable(struct pmu *pmu) +{ + struct arm_ccn *ccn = pmu_to_arm_ccn(pmu); + + u32 val = readl(ccn->dt.base + CCN_DT_PMCR); + val |= CCN_DT_PMCR__PMU_EN; + writel(val, ccn->dt.base + CCN_DT_PMCR); +} + +static void arm_ccn_pmu_disable(struct pmu *pmu) +{ + struct arm_ccn *ccn = pmu_to_arm_ccn(pmu); + + u32 val = readl(ccn->dt.base + CCN_DT_PMCR); + val &= ~CCN_DT_PMCR__PMU_EN; + writel(val, ccn->dt.base + CCN_DT_PMCR); +} + static irqreturn_t arm_ccn_pmu_overflow_handler(struct arm_ccn_dt *dt) { u32 pmovsr = readl(dt->base + CCN_DT_PMOVSR); @@ -1252,6 +1293,8 @@ static int arm_ccn_pmu_init(struct arm_ccn *ccn) .start = arm_ccn_pmu_event_start, .stop = arm_ccn_pmu_event_stop, .read = arm_ccn_pmu_event_read, + .pmu_enable = arm_ccn_pmu_enable, + .pmu_disable = arm_ccn_pmu_disable, }; /* No overflow interrupt? Have to use a timer instead. */ @@ -1361,6 +1404,8 @@ static int arm_ccn_init_nodes(struct arm_ccn *ccn, int region, switch (type) { case CCN_TYPE_MN: + ccn->mn_id = id; + return 0; case CCN_TYPE_DT: return 0; case CCN_TYPE_XP: @@ -1471,8 +1516,9 @@ static int arm_ccn_probe(struct platform_device *pdev) /* Can set 'disable' bits, so can acknowledge interrupts */ writel(CCN_MN_ERRINT_STATUS__PMU_EVENTS__ENABLE, ccn->base + CCN_MN_ERRINT_STATUS); - err = devm_request_irq(ccn->dev, irq, arm_ccn_irq_handler, 0, - dev_name(ccn->dev), ccn); + err = devm_request_irq(ccn->dev, irq, arm_ccn_irq_handler, + IRQF_NOBALANCING | IRQF_NO_THREAD, + dev_name(ccn->dev), ccn); if (err) return err; diff --git a/drivers/bus/vexpress-config.c b/drivers/bus/vexpress-config.c index c3cb76b363c6..9efdf1de4035 100644 --- a/drivers/bus/vexpress-config.c +++ b/drivers/bus/vexpress-config.c @@ -178,6 +178,7 @@ static int vexpress_config_populate(struct device_node *node) parent = class_find_device(vexpress_config_class, NULL, bridge, vexpress_config_node_match); + of_node_put(bridge); if (WARN_ON(!parent)) return -ENODEV; diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 56ad5a5936a9..8c0770bf8881 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -244,7 +244,7 @@ config HW_RANDOM_TX4939 config HW_RANDOM_MXC_RNGA tristate "Freescale i.MX RNGA Random Number Generator" - depends on ARCH_HAS_RNGA + depends on SOC_IMX31 default HW_RANDOM ---help--- This driver provides kernel-side support for the Random Number diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index 08c7e23ed535..0c75c3f1689f 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -957,7 +957,7 @@ int tpm2_auto_startup(struct tpm_chip *chip) goto out; rc = tpm2_do_selftest(chip); - if (rc != TPM2_RC_INITIALIZE) { + if (rc != 0 && rc != TPM2_RC_INITIALIZE) { dev_err(&chip->dev, "TPM self test failed\n"); goto out; } @@ -974,7 +974,6 @@ int tpm2_auto_startup(struct tpm_chip *chip) } } - return rc; out: if (rc > 0) rc = -ENODEV; diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index d2406fe25533..5da47e26a012 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -165,6 +165,12 @@ struct ports_device { */ struct virtqueue *c_ivq, *c_ovq; + /* + * A control packet buffer for guest->host requests, protected + * by c_ovq_lock. + */ + struct virtio_console_control cpkt; + /* Array of per-port IO virtqueues */ struct virtqueue **in_vqs, **out_vqs; @@ -560,28 +566,29 @@ static ssize_t __send_control_msg(struct ports_device *portdev, u32 port_id, unsigned int event, unsigned int value) { struct scatterlist sg[1]; - struct virtio_console_control cpkt; struct virtqueue *vq; unsigned int len; if (!use_multiport(portdev)) return 0; - cpkt.id = cpu_to_virtio32(portdev->vdev, port_id); - cpkt.event = cpu_to_virtio16(portdev->vdev, event); - cpkt.value = cpu_to_virtio16(portdev->vdev, value); - vq = portdev->c_ovq; - sg_init_one(sg, &cpkt, sizeof(cpkt)); - spin_lock(&portdev->c_ovq_lock); - if (virtqueue_add_outbuf(vq, sg, 1, &cpkt, GFP_ATOMIC) == 0) { + + portdev->cpkt.id = cpu_to_virtio32(portdev->vdev, port_id); + portdev->cpkt.event = cpu_to_virtio16(portdev->vdev, event); + portdev->cpkt.value = cpu_to_virtio16(portdev->vdev, value); + + sg_init_one(sg, &portdev->cpkt, sizeof(struct virtio_console_control)); + + if (virtqueue_add_outbuf(vq, sg, 1, &portdev->cpkt, GFP_ATOMIC) == 0) { virtqueue_kick(vq); while (!virtqueue_get_buf(vq, &len) && !virtqueue_is_broken(vq)) cpu_relax(); } + spin_unlock(&portdev->c_ovq_lock); return 0; } diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c index d359c92e13a6..e38bf60c0ff4 100644 --- a/drivers/clk/renesas/r8a7795-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c @@ -69,6 +69,7 @@ static const struct cpg_core_clk r8a7795_core_clks[] __initconst = { DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), /* Core Clock Outputs */ DEF_FIXED("ztr", R8A7795_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), @@ -87,10 +88,10 @@ static const struct cpg_core_clk r8a7795_core_clks[] __initconst = { DEF_FIXED("s3d2", R8A7795_CLK_S3D2, CLK_S3, 2, 1), DEF_FIXED("s3d4", R8A7795_CLK_S3D4, CLK_S3, 4, 1), - DEF_GEN3_SD("sd0", R8A7795_CLK_SD0, CLK_PLL1_DIV2, 0x0074), - DEF_GEN3_SD("sd1", R8A7795_CLK_SD1, CLK_PLL1_DIV2, 0x0078), - DEF_GEN3_SD("sd2", R8A7795_CLK_SD2, CLK_PLL1_DIV2, 0x0268), - DEF_GEN3_SD("sd3", R8A7795_CLK_SD3, CLK_PLL1_DIV2, 0x026c), + DEF_GEN3_SD("sd0", R8A7795_CLK_SD0, CLK_SDSRC, 0x0074), + DEF_GEN3_SD("sd1", R8A7795_CLK_SD1, CLK_SDSRC, 0x0078), + DEF_GEN3_SD("sd2", R8A7795_CLK_SD2, CLK_SDSRC, 0x0268), + DEF_GEN3_SD("sd3", R8A7795_CLK_SD3, CLK_SDSRC, 0x026c), DEF_FIXED("cl", R8A7795_CLK_CL, CLK_PLL1_DIV2, 48, 1), DEF_FIXED("cp", R8A7795_CLK_CP, CLK_EXTAL, 2, 1), diff --git a/drivers/clk/rockchip/clk-rk3399.c b/drivers/clk/rockchip/clk-rk3399.c index c109d80e7a8a..cdfabeb9a034 100644 --- a/drivers/clk/rockchip/clk-rk3399.c +++ b/drivers/clk/rockchip/clk-rk3399.c @@ -833,9 +833,9 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = { /* perihp */ GATE(0, "cpll_aclk_perihp_src", "cpll", CLK_IGNORE_UNUSED, - RK3399_CLKGATE_CON(5), 0, GFLAGS), - GATE(0, "gpll_aclk_perihp_src", "gpll", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(5), 1, GFLAGS), + GATE(0, "gpll_aclk_perihp_src", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(5), 0, GFLAGS), COMPOSITE(ACLK_PERIHP, "aclk_perihp", mux_aclk_perihp_p, CLK_IGNORE_UNUSED, RK3399_CLKSEL_CON(14), 7, 1, MFLAGS, 0, 5, DFLAGS, RK3399_CLKGATE_CON(5), 2, GFLAGS), @@ -923,9 +923,9 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = { RK3399_CLKGATE_CON(6), 14, GFLAGS), GATE(0, "cpll_aclk_emmc_src", "cpll", CLK_IGNORE_UNUSED, - RK3399_CLKGATE_CON(6), 12, GFLAGS), - GATE(0, "gpll_aclk_emmc_src", "gpll", CLK_IGNORE_UNUSED, RK3399_CLKGATE_CON(6), 13, GFLAGS), + GATE(0, "gpll_aclk_emmc_src", "gpll", CLK_IGNORE_UNUSED, + RK3399_CLKGATE_CON(6), 12, GFLAGS), COMPOSITE_NOGATE(ACLK_EMMC, "aclk_emmc", mux_aclk_emmc_p, CLK_IGNORE_UNUSED, RK3399_CLKSEL_CON(21), 7, 1, MFLAGS, 0, 5, DFLAGS), GATE(ACLK_EMMC_CORE, "aclk_emmccore", "aclk_emmc", CLK_IGNORE_UNUSED, @@ -1071,7 +1071,7 @@ static struct rockchip_clk_branch rk3399_clk_branches[] __initdata = { /* vio */ COMPOSITE(ACLK_VIO, "aclk_vio", mux_pll_src_cpll_gpll_ppll_p, CLK_IGNORE_UNUSED, RK3399_CLKSEL_CON(42), 6, 2, MFLAGS, 0, 5, DFLAGS, - RK3399_CLKGATE_CON(11), 10, GFLAGS), + RK3399_CLKGATE_CON(11), 0, GFLAGS), COMPOSITE_NOMUX(PCLK_VIO, "pclk_vio", "aclk_vio", 0, RK3399_CLKSEL_CON(43), 0, 5, DFLAGS, RK3399_CLKGATE_CON(11), 1, GFLAGS), @@ -1484,6 +1484,7 @@ static const char *const rk3399_cru_critical_clocks[] __initconst = { "hclk_perilp1", "hclk_perilp1_noc", "aclk_dmac0_perilp", + "aclk_emmc_noc", "gpll_hclk_perilp1_src", "gpll_aclk_perilp0_src", "gpll_aclk_perihp_src", diff --git a/drivers/clk/sunxi-ng/ccu_common.c b/drivers/clk/sunxi-ng/ccu_common.c index fc17b5295e16..51d4bac97ab3 100644 --- a/drivers/clk/sunxi-ng/ccu_common.c +++ b/drivers/clk/sunxi-ng/ccu_common.c @@ -31,7 +31,7 @@ void ccu_helper_wait_for_lock(struct ccu_common *common, u32 lock) return; WARN_ON(readl_relaxed_poll_timeout(common->base + common->reg, reg, - !(reg & lock), 100, 70000)); + reg & lock, 100, 70000)); } int sunxi_ccu_probe(struct device_node *node, void __iomem *reg, diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c index 64da7b79a6e4..933b5dd698b8 100644 --- a/drivers/clk/tegra/clk-tegra114.c +++ b/drivers/clk/tegra/clk-tegra114.c @@ -428,7 +428,7 @@ static struct tegra_clk_pll_params pll_d_params = { .div_nmp = &pllp_nmp, .freq_table = pll_d_freq_table, .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | - TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, + TEGRA_PLL_HAS_LOCK_ENABLE, }; static struct tegra_clk_pll_params pll_d2_params = { @@ -446,7 +446,7 @@ static struct tegra_clk_pll_params pll_d2_params = { .div_nmp = &pllp_nmp, .freq_table = pll_d_freq_table, .flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON | - TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE, + TEGRA_PLL_HAS_LOCK_ENABLE, }; static const struct pdiv_map pllu_p[] = { diff --git a/drivers/clocksource/timer-atmel-pit.c b/drivers/clocksource/timer-atmel-pit.c index 3494bc5a21d5..7f0f5b26d8c5 100644 --- a/drivers/clocksource/timer-atmel-pit.c +++ b/drivers/clocksource/timer-atmel-pit.c @@ -240,6 +240,7 @@ static int __init at91sam926x_pit_common_init(struct pit_data *data) static int __init at91sam926x_pit_dt_init(struct device_node *node) { struct pit_data *data; + int ret; data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c index 0bb44d5b5df4..2ee40fd360ca 100644 --- a/drivers/cpufreq/cpufreq-dt-platdev.c +++ b/drivers/cpufreq/cpufreq-dt-platdev.c @@ -74,6 +74,8 @@ static const struct of_device_id machines[] __initconst = { { .compatible = "ti,omap5", }, { .compatible = "xlnx,zynq-7000", }, + + { } }; static int __init cpufreq_dt_platdev_init(void) diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index 6dc597126b79..b3044219772c 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -556,7 +556,10 @@ skip_enc: /* Read and write assoclen bytes */ append_math_add(desc, VARSEQINLEN, ZERO, REG3, CAAM_CMD_SZ); - append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ); + if (alg->caam.geniv) + append_math_add_imm_u32(desc, VARSEQOUTLEN, REG3, IMM, ivsize); + else + append_math_add(desc, VARSEQOUTLEN, ZERO, REG3, CAAM_CMD_SZ); /* Skip assoc data */ append_seq_fifo_store(desc, 0, FIFOST_TYPE_SKIP | FIFOLDST_VLF); @@ -565,6 +568,14 @@ skip_enc: append_seq_fifo_load(desc, 0, FIFOLD_CLASS_CLASS2 | FIFOLD_TYPE_MSG | KEY_VLF); + if (alg->caam.geniv) { + append_seq_load(desc, ivsize, LDST_CLASS_1_CCB | + LDST_SRCDST_BYTE_CONTEXT | + (ctx1_iv_off << LDST_OFFSET_SHIFT)); + append_move(desc, MOVE_SRC_CLASS1CTX | MOVE_DEST_CLASS2INFIFO | + (ctx1_iv_off << MOVE_OFFSET_SHIFT) | ivsize); + } + /* Load Counter into CONTEXT1 reg */ if (is_rfc3686) append_load_imm_u32(desc, be32_to_cpu(1), LDST_IMM | @@ -2150,7 +2161,7 @@ static void init_authenc_job(struct aead_request *req, init_aead_job(req, edesc, all_contig, encrypt); - if (ivsize && (is_rfc3686 || !(alg->caam.geniv && encrypt))) + if (ivsize && ((is_rfc3686 && encrypt) || !alg->caam.geniv)) append_load_as_imm(desc, req->iv, ivsize, LDST_CLASS_1_CCB | LDST_SRCDST_BYTE_CONTEXT | @@ -2537,20 +2548,6 @@ static int aead_decrypt(struct aead_request *req) return ret; } -static int aead_givdecrypt(struct aead_request *req) -{ - struct crypto_aead *aead = crypto_aead_reqtfm(req); - unsigned int ivsize = crypto_aead_ivsize(aead); - - if (req->cryptlen < ivsize) - return -EINVAL; - - req->cryptlen -= ivsize; - req->assoclen += ivsize; - - return aead_decrypt(req); -} - /* * allocate and map the ablkcipher extended descriptor for ablkcipher */ @@ -3210,7 +3207,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = AES_BLOCK_SIZE, .maxauthsize = MD5_DIGEST_SIZE, }, @@ -3256,7 +3253,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = AES_BLOCK_SIZE, .maxauthsize = SHA1_DIGEST_SIZE, }, @@ -3302,7 +3299,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = AES_BLOCK_SIZE, .maxauthsize = SHA224_DIGEST_SIZE, }, @@ -3348,7 +3345,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = AES_BLOCK_SIZE, .maxauthsize = SHA256_DIGEST_SIZE, }, @@ -3394,7 +3391,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = AES_BLOCK_SIZE, .maxauthsize = SHA384_DIGEST_SIZE, }, @@ -3440,7 +3437,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = AES_BLOCK_SIZE, .maxauthsize = SHA512_DIGEST_SIZE, }, @@ -3486,7 +3483,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = MD5_DIGEST_SIZE, }, @@ -3534,7 +3531,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA1_DIGEST_SIZE, }, @@ -3582,7 +3579,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA224_DIGEST_SIZE, }, @@ -3630,7 +3627,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA256_DIGEST_SIZE, }, @@ -3678,7 +3675,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA384_DIGEST_SIZE, }, @@ -3726,7 +3723,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = DES3_EDE_BLOCK_SIZE, .maxauthsize = SHA512_DIGEST_SIZE, }, @@ -3772,7 +3769,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = DES_BLOCK_SIZE, .maxauthsize = MD5_DIGEST_SIZE, }, @@ -3818,7 +3815,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = DES_BLOCK_SIZE, .maxauthsize = SHA1_DIGEST_SIZE, }, @@ -3864,7 +3861,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = DES_BLOCK_SIZE, .maxauthsize = SHA224_DIGEST_SIZE, }, @@ -3910,7 +3907,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = DES_BLOCK_SIZE, .maxauthsize = SHA256_DIGEST_SIZE, }, @@ -3956,7 +3953,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = DES_BLOCK_SIZE, .maxauthsize = SHA384_DIGEST_SIZE, }, @@ -4002,7 +3999,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = DES_BLOCK_SIZE, .maxauthsize = SHA512_DIGEST_SIZE, }, @@ -4051,7 +4048,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = CTR_RFC3686_IV_SIZE, .maxauthsize = MD5_DIGEST_SIZE, }, @@ -4102,7 +4099,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = CTR_RFC3686_IV_SIZE, .maxauthsize = SHA1_DIGEST_SIZE, }, @@ -4153,7 +4150,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = CTR_RFC3686_IV_SIZE, .maxauthsize = SHA224_DIGEST_SIZE, }, @@ -4204,7 +4201,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = CTR_RFC3686_IV_SIZE, .maxauthsize = SHA256_DIGEST_SIZE, }, @@ -4255,7 +4252,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = CTR_RFC3686_IV_SIZE, .maxauthsize = SHA384_DIGEST_SIZE, }, @@ -4306,7 +4303,7 @@ static struct caam_aead_alg driver_aeads[] = { .setkey = aead_setkey, .setauthsize = aead_setauthsize, .encrypt = aead_encrypt, - .decrypt = aead_givdecrypt, + .decrypt = aead_decrypt, .ivsize = CTR_RFC3686_IV_SIZE, .maxauthsize = SHA512_DIGEST_SIZE, }, diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index 769148dbaeb3..20f35df8a01f 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -1260,8 +1260,8 @@ static struct crypto_alg qat_algs[] = { { .setkey = qat_alg_ablkcipher_xts_setkey, .decrypt = qat_alg_ablkcipher_decrypt, .encrypt = qat_alg_ablkcipher_encrypt, - .min_keysize = AES_MIN_KEY_SIZE, - .max_keysize = AES_MAX_KEY_SIZE, + .min_keysize = 2 * AES_MIN_KEY_SIZE, + .max_keysize = 2 * AES_MAX_KEY_SIZE, .ivsize = AES_BLOCK_SIZE, }, }, diff --git a/drivers/crypto/vmx/aes_xts.c b/drivers/crypto/vmx/aes_xts.c index cfb25413917c..24353ec336c5 100644 --- a/drivers/crypto/vmx/aes_xts.c +++ b/drivers/crypto/vmx/aes_xts.c @@ -129,8 +129,8 @@ static int p8_aes_xts_crypt(struct blkcipher_desc *desc, blkcipher_walk_init(&walk, dst, src, nbytes); - iv = (u8 *)walk.iv; ret = blkcipher_walk_virt(desc, &walk); + iv = walk.iv; memset(tweak, 0, AES_BLOCK_SIZE); aes_p8_encrypt(iv, tweak, &ctx->tweak_key); diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c index 803f3953b341..29f600f2c447 100644 --- a/drivers/dax/dax.c +++ b/drivers/dax/dax.c @@ -459,7 +459,7 @@ static int __dax_dev_pmd_fault(struct dax_dev *dax_dev, } pgoff = linear_page_index(vma, pmd_addr); - phys = pgoff_to_phys(dax_dev, pgoff, PAGE_SIZE); + phys = pgoff_to_phys(dax_dev, pgoff, PMD_SIZE); if (phys == -1) { dev_dbg(dev, "%s: phys_to_pgoff(%#lx) failed\n", __func__, pgoff); diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index e434ffe7bc5c..832cbd647145 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -2067,7 +2067,7 @@ err_dma_unregister: err_clk_disable: clk_disable_unprepare(atxdmac->clk); err_free_irq: - free_irq(atxdmac->irq, atxdmac->dma.dev); + free_irq(atxdmac->irq, atxdmac); return ret; } @@ -2081,7 +2081,7 @@ static int at_xdmac_remove(struct platform_device *pdev) dma_async_device_unregister(&atxdmac->dma); clk_disable_unprepare(atxdmac->clk); - free_irq(atxdmac->irq, atxdmac->dma.dev); + free_irq(atxdmac->irq, atxdmac); for (i = 0; i < atxdmac->dma.chancnt; i++) { struct at_xdmac_chan *atchan = &atxdmac->chan[i]; diff --git a/drivers/dma/fsl_raid.c b/drivers/dma/fsl_raid.c index aad167eaaee8..de2a2a2b1d75 100644 --- a/drivers/dma/fsl_raid.c +++ b/drivers/dma/fsl_raid.c @@ -836,6 +836,7 @@ static int fsl_re_probe(struct platform_device *ofdev) rc = of_property_read_u32(np, "reg", &off); if (rc) { dev_err(dev, "Reg property not found in JQ node\n"); + of_node_put(np); return -ENODEV; } /* Find out the Job Rings present under each JQ */ diff --git a/drivers/dma/img-mdc-dma.c b/drivers/dma/img-mdc-dma.c index a4c53be482cf..624f1e1e9c55 100644 --- a/drivers/dma/img-mdc-dma.c +++ b/drivers/dma/img-mdc-dma.c @@ -861,7 +861,6 @@ static int mdc_dma_probe(struct platform_device *pdev) { struct mdc_dma *mdma; struct resource *res; - const struct of_device_id *match; unsigned int i; u32 val; int ret; @@ -871,8 +870,7 @@ static int mdc_dma_probe(struct platform_device *pdev) return -ENOMEM; platform_set_drvdata(pdev, mdma); - match = of_match_device(mdc_dma_of_match, &pdev->dev); - mdma->soc = match->data; + mdma->soc = of_device_get_match_data(&pdev->dev); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); mdma->regs = devm_ioremap_resource(&pdev->dev, res); diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c index dc7850a422b8..3f56f9ca4482 100644 --- a/drivers/dma/pxa_dma.c +++ b/drivers/dma/pxa_dma.c @@ -638,7 +638,7 @@ static bool pxad_try_hotchain(struct virt_dma_chan *vc, vd_last_issued = list_entry(vc->desc_issued.prev, struct virt_dma_desc, node); pxad_desc_chain(vd_last_issued, vd); - if (is_chan_running(chan) || is_desc_completed(vd_last_issued)) + if (is_chan_running(chan) || is_desc_completed(vd)) return true; } @@ -671,6 +671,7 @@ static irqreturn_t pxad_chan_handler(int irq, void *dev_id) struct virt_dma_desc *vd, *tmp; unsigned int dcsr; unsigned long flags; + bool vd_completed; dma_cookie_t last_started = 0; BUG_ON(!chan); @@ -681,15 +682,17 @@ static irqreturn_t pxad_chan_handler(int irq, void *dev_id) spin_lock_irqsave(&chan->vc.lock, flags); list_for_each_entry_safe(vd, tmp, &chan->vc.desc_issued, node) { + vd_completed = is_desc_completed(vd); dev_dbg(&chan->vc.chan.dev->device, - "%s(): checking txd %p[%x]: completed=%d\n", - __func__, vd, vd->tx.cookie, is_desc_completed(vd)); + "%s(): checking txd %p[%x]: completed=%d dcsr=0x%x\n", + __func__, vd, vd->tx.cookie, vd_completed, + dcsr); last_started = vd->tx.cookie; if (to_pxad_sw_desc(vd)->cyclic) { vchan_cyclic_callback(vd); break; } - if (is_desc_completed(vd)) { + if (vd_completed) { list_del(&vd->node); vchan_cookie_complete(vd); } else { diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c index 749f1bd5d65d..06ecdc38cee0 100644 --- a/drivers/dma/sh/usb-dmac.c +++ b/drivers/dma/sh/usb-dmac.c @@ -600,27 +600,30 @@ static irqreturn_t usb_dmac_isr_channel(int irq, void *dev) { struct usb_dmac_chan *chan = dev; irqreturn_t ret = IRQ_NONE; - u32 mask = USB_DMACHCR_TE; - u32 check_bits = USB_DMACHCR_TE | USB_DMACHCR_SP; + u32 mask = 0; u32 chcr; + bool xfer_end = false; spin_lock(&chan->vc.lock); chcr = usb_dmac_chan_read(chan, USB_DMACHCR); - if (chcr & check_bits) - mask |= USB_DMACHCR_DE | check_bits; + if (chcr & (USB_DMACHCR_TE | USB_DMACHCR_SP)) { + mask |= USB_DMACHCR_DE | USB_DMACHCR_TE | USB_DMACHCR_SP; + if (chcr & USB_DMACHCR_DE) + xfer_end = true; + ret |= IRQ_HANDLED; + } if (chcr & USB_DMACHCR_NULL) { /* An interruption of TE will happen after we set FTE */ mask |= USB_DMACHCR_NULL; chcr |= USB_DMACHCR_FTE; ret |= IRQ_HANDLED; } - usb_dmac_chan_write(chan, USB_DMACHCR, chcr & ~mask); + if (mask) + usb_dmac_chan_write(chan, USB_DMACHCR, chcr & ~mask); - if (chcr & check_bits) { + if (xfer_end) usb_dmac_isr_transfer_end(chan); - ret |= IRQ_HANDLED; - } spin_unlock(&chan->vc.lock); diff --git a/drivers/firmware/arm_scpi.c b/drivers/firmware/arm_scpi.c index 438893762076..ce2bc2a38101 100644 --- a/drivers/firmware/arm_scpi.c +++ b/drivers/firmware/arm_scpi.c @@ -709,9 +709,10 @@ static int scpi_probe(struct platform_device *pdev) struct mbox_client *cl = &pchan->cl; struct device_node *shmem = of_parse_phandle(np, "shmem", idx); - if (of_address_to_resource(shmem, 0, &res)) { + ret = of_address_to_resource(shmem, 0, &res); + of_node_put(shmem); + if (ret) { dev_err(dev, "failed to get SCPI payload mem resource\n"); - ret = -EINVAL; goto err; } diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c index 94a58a082b99..44c01390d035 100644 --- a/drivers/firmware/dmi-id.c +++ b/drivers/firmware/dmi-id.c @@ -229,14 +229,14 @@ static int __init dmi_id_init(void) ret = device_register(dmi_dev); if (ret) - goto fail_free_dmi_dev; + goto fail_put_dmi_dev; return 0; -fail_free_dmi_dev: - kfree(dmi_dev); -fail_class_unregister: +fail_put_dmi_dev: + put_device(dmi_dev); +fail_class_unregister: class_unregister(&dmi_class); return ret; diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 66a94103798b..24caedb00a7a 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -1131,6 +1131,7 @@ menu "SPI or I2C GPIO expanders" config GPIO_MCP23S08 tristate "Microchip MCP23xxx I/O expander" + depends on OF_GPIO select GPIOLIB_IRQCHIP help SPI/I2C driver for Microchip MCP23S08/MCP23S17/MCP23008/MCP23017 diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index ac22efc1840e..99d37b56c258 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -564,7 +564,7 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev, mcp->chip.direction_output = mcp23s08_direction_output; mcp->chip.set = mcp23s08_set; mcp->chip.dbg_show = mcp23s08_dbg_show; -#ifdef CONFIG_OF +#ifdef CONFIG_OF_GPIO mcp->chip.of_gpio_n_cells = 2; mcp->chip.of_node = dev->of_node; #endif diff --git a/drivers/gpio/gpio-sa1100.c b/drivers/gpio/gpio-sa1100.c index 0c99e8fb9af3..8d8ee0ebf14c 100644 --- a/drivers/gpio/gpio-sa1100.c +++ b/drivers/gpio/gpio-sa1100.c @@ -155,7 +155,7 @@ static int sa1100_gpio_irqdomain_map(struct irq_domain *d, { irq_set_chip_and_handler(irq, &sa1100_gpio_irq_chip, handle_edge_irq); - irq_set_noprobe(irq); + irq_set_probe(irq); return 0; } diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 75e7b3919ea7..a28feb3edf33 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -16,7 +16,6 @@ #include <linux/errno.h> #include <linux/module.h> #include <linux/io.h> -#include <linux/io-mapping.h> #include <linux/gpio/consumer.h> #include <linux/of.h> #include <linux/of_address.h> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c index a31d7ef3032c..ec1282af2479 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c @@ -280,7 +280,7 @@ void amdgpu_ib_pool_fini(struct amdgpu_device *adev) int amdgpu_ib_ring_tests(struct amdgpu_device *adev) { unsigned i; - int r; + int r, ret = 0; for (i = 0; i < AMDGPU_MAX_RINGS; ++i) { struct amdgpu_ring *ring = adev->rings[i]; @@ -301,10 +301,11 @@ int amdgpu_ib_ring_tests(struct amdgpu_device *adev) } else { /* still not good, but we can live with it */ DRM_ERROR("amdgpu: failed testing IB on ring %d (%d).\n", i, r); + ret = r; } } } - return 0; + return ret; } /* diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c index ee6466912497..77fdd9911c3c 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c +++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c @@ -52,6 +52,7 @@ static void cik_sdma_set_ring_funcs(struct amdgpu_device *adev); static void cik_sdma_set_irq_funcs(struct amdgpu_device *adev); static void cik_sdma_set_buffer_funcs(struct amdgpu_device *adev); static void cik_sdma_set_vm_pte_funcs(struct amdgpu_device *adev); +static int cik_sdma_soft_reset(void *handle); MODULE_FIRMWARE("radeon/bonaire_sdma.bin"); MODULE_FIRMWARE("radeon/bonaire_sdma1.bin"); @@ -1037,6 +1038,8 @@ static int cik_sdma_resume(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + cik_sdma_soft_reset(handle); + return cik_sdma_hw_init(adev); } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index d869d058ef24..425413fcaf02 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -2755,8 +2755,7 @@ static int gfx_v7_0_cp_compute_resume(struct amdgpu_device *adev) u64 wb_gpu_addr; u32 *buf; struct bonaire_mqd *mqd; - - gfx_v7_0_cp_compute_enable(adev, true); + struct amdgpu_ring *ring; /* fix up chicken bits */ tmp = RREG32(mmCP_CPF_DEBUG); @@ -2791,7 +2790,7 @@ static int gfx_v7_0_cp_compute_resume(struct amdgpu_device *adev) /* init the queues. Just two for now. */ for (i = 0; i < adev->gfx.num_compute_rings; i++) { - struct amdgpu_ring *ring = &adev->gfx.compute_ring[i]; + ring = &adev->gfx.compute_ring[i]; if (ring->mqd_obj == NULL) { r = amdgpu_bo_create(adev, @@ -2970,6 +2969,13 @@ static int gfx_v7_0_cp_compute_resume(struct amdgpu_device *adev) amdgpu_bo_unreserve(ring->mqd_obj); ring->ready = true; + } + + gfx_v7_0_cp_compute_enable(adev, true); + + for (i = 0; i < adev->gfx.num_compute_rings; i++) { + ring = &adev->gfx.compute_ring[i]; + r = amdgpu_ring_test_ring(ring); if (r) ring->ready = false; diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index 9f7dafce3a4c..7bf90e9e6139 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -171,10 +171,34 @@ static void imx_drm_output_poll_changed(struct drm_device *drm) drm_fbdev_cma_hotplug_event(imxdrm->fbhelper); } +static int imx_drm_atomic_check(struct drm_device *dev, + struct drm_atomic_state *state) +{ + int ret; + + ret = drm_atomic_helper_check_modeset(dev, state); + if (ret) + return ret; + + ret = drm_atomic_helper_check_planes(dev, state); + if (ret) + return ret; + + /* + * Check modeset again in case crtc_state->mode_changed is + * updated in plane's ->atomic_check callback. + */ + ret = drm_atomic_helper_check_modeset(dev, state); + if (ret) + return ret; + + return ret; +} + static const struct drm_mode_config_funcs imx_drm_mode_config_funcs = { .fb_create = drm_fb_cma_create, .output_poll_changed = imx_drm_output_poll_changed, - .atomic_check = drm_atomic_helper_check, + .atomic_check = imx_drm_atomic_check, .atomic_commit = drm_atomic_helper_commit, }; diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 08e188bc10fc..462056e4b9e4 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -76,6 +76,8 @@ static void ipu_crtc_disable(struct drm_crtc *crtc) crtc->state->event = NULL; } spin_unlock_irq(&crtc->dev->event_lock); + + drm_crtc_vblank_off(crtc); } static void imx_drm_crtc_reset(struct drm_crtc *crtc) @@ -175,6 +177,8 @@ static int ipu_crtc_atomic_check(struct drm_crtc *crtc, static void ipu_crtc_atomic_begin(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { + drm_crtc_vblank_on(crtc); + spin_lock_irq(&crtc->dev->event_lock); if (crtc->state->event) { WARN_ON(drm_crtc_vblank_get(crtc)); diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index 4ad67d015ec7..29423e757d36 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -319,13 +319,14 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, return -EINVAL; /* - * since we cannot touch active IDMAC channels, we do not support - * resizing the enabled plane or changing its format + * We support resizing active plane or changing its format by + * forcing CRTC mode change and disabling-enabling plane in plane's + * ->atomic_update callback. */ if (old_fb && (state->src_w != old_state->src_w || state->src_h != old_state->src_h || fb->pixel_format != old_fb->pixel_format)) - return -EINVAL; + crtc_state->mode_changed = true; eba = drm_plane_state_to_eba(state); @@ -336,7 +337,7 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, return -EINVAL; if (old_fb && fb->pitches[0] != old_fb->pitches[0]) - return -EINVAL; + crtc_state->mode_changed = true; switch (fb->pixel_format) { case DRM_FORMAT_YUV420: @@ -372,7 +373,7 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, return -EINVAL; if (old_fb && old_fb->pitches[1] != fb->pitches[1]) - return -EINVAL; + crtc_state->mode_changed = true; } return 0; @@ -392,8 +393,14 @@ static void ipu_plane_atomic_update(struct drm_plane *plane, enum ipu_color_space ics; if (old_state->fb) { - ipu_plane_atomic_set_base(ipu_plane, old_state); - return; + struct drm_crtc_state *crtc_state = state->crtc->state; + + if (!crtc_state->mode_changed) { + ipu_plane_atomic_set_base(ipu_plane, old_state); + return; + } + + ipu_disable_plane(plane); } switch (ipu_plane->dp_flow) { diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index b4bc7f1ef717..d0da52f2a806 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -157,6 +157,12 @@ struct msm_drm_private { struct shrinker shrinker; struct msm_vblank_ctrl vblank_ctrl; + + /* task holding struct_mutex.. currently only used in submit path + * to detect and reject faults from copy_from_user() for submit + * ioctl. + */ + struct task_struct *struct_mutex_task; }; struct msm_format { diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 6cd4af443139..85f3047e05ae 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -196,11 +196,20 @@ int msm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct drm_gem_object *obj = vma->vm_private_data; struct drm_device *dev = obj->dev; + struct msm_drm_private *priv = dev->dev_private; struct page **pages; unsigned long pfn; pgoff_t pgoff; int ret; + /* This should only happen if userspace tries to pass a mmap'd + * but unfaulted gem bo vaddr into submit ioctl, triggering + * a page fault while struct_mutex is already held. This is + * not a valid use-case so just bail. + */ + if (priv->struct_mutex_task == current) + return VM_FAULT_SIGBUS; + /* Make sure we don't parallel update on a fault, nor move or remove * something from beneath our feet */ diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 9766f9ae4b7d..880d6a9af7c8 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -64,6 +64,14 @@ void msm_gem_submit_free(struct msm_gem_submit *submit) kfree(submit); } +static inline unsigned long __must_check +copy_from_user_inatomic(void *to, const void __user *from, unsigned long n) +{ + if (access_ok(VERIFY_READ, from, n)) + return __copy_from_user_inatomic(to, from, n); + return -EFAULT; +} + static int submit_lookup_objects(struct msm_gem_submit *submit, struct drm_msm_gem_submit *args, struct drm_file *file) { @@ -71,6 +79,7 @@ static int submit_lookup_objects(struct msm_gem_submit *submit, int ret = 0; spin_lock(&file->table_lock); + pagefault_disable(); for (i = 0; i < args->nr_bos; i++) { struct drm_msm_gem_submit_bo submit_bo; @@ -84,10 +93,15 @@ static int submit_lookup_objects(struct msm_gem_submit *submit, */ submit->bos[i].flags = 0; - ret = copy_from_user(&submit_bo, userptr, sizeof(submit_bo)); - if (ret) { - ret = -EFAULT; - goto out_unlock; + ret = copy_from_user_inatomic(&submit_bo, userptr, sizeof(submit_bo)); + if (unlikely(ret)) { + pagefault_enable(); + spin_unlock(&file->table_lock); + ret = copy_from_user(&submit_bo, userptr, sizeof(submit_bo)); + if (ret) + goto out; + spin_lock(&file->table_lock); + pagefault_disable(); } if (submit_bo.flags & ~MSM_SUBMIT_BO_FLAGS) { @@ -127,9 +141,12 @@ static int submit_lookup_objects(struct msm_gem_submit *submit, } out_unlock: - submit->nr_bos = i; + pagefault_enable(); spin_unlock(&file->table_lock); +out: + submit->nr_bos = i; + return ret; } @@ -377,6 +394,8 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, if (ret) return ret; + priv->struct_mutex_task = current; + submit = submit_create(dev, gpu, args->nr_bos, args->nr_cmds); if (!submit) { ret = -ENOMEM; @@ -468,6 +487,7 @@ out: if (ret) msm_gem_submit_free(submit); out_unlock: + priv->struct_mutex_task = NULL; mutex_unlock(&dev->struct_mutex); return ret; } diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index f2ad17aa33f0..dc57b628e074 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -225,6 +225,17 @@ static bool nouveau_pr3_present(struct pci_dev *pdev) if (!parent_pdev) return false; + if (!parent_pdev->bridge_d3) { + /* + * Parent PCI bridge is currently not power managed. + * Since userspace can change these afterwards to be on + * the safe side we stick with _DSM and prevent usage of + * _PR3 from the bridge. + */ + pci_d3cold_disable(pdev); + return false; + } + parent_adev = ACPI_COMPANION(&parent_pdev->dev); if (!parent_adev) return false; diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c index 8b42d31a7f0e..9ecef9385491 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.c +++ b/drivers/gpu/drm/vc4/vc4_drv.c @@ -57,21 +57,21 @@ static int vc4_get_param_ioctl(struct drm_device *dev, void *data, switch (args->param) { case DRM_VC4_PARAM_V3D_IDENT0: ret = pm_runtime_get_sync(&vc4->v3d->pdev->dev); - if (ret) + if (ret < 0) return ret; args->value = V3D_READ(V3D_IDENT0); pm_runtime_put(&vc4->v3d->pdev->dev); break; case DRM_VC4_PARAM_V3D_IDENT1: ret = pm_runtime_get_sync(&vc4->v3d->pdev->dev); - if (ret) + if (ret < 0) return ret; args->value = V3D_READ(V3D_IDENT1); pm_runtime_put(&vc4->v3d->pdev->dev); break; case DRM_VC4_PARAM_V3D_IDENT2: ret = pm_runtime_get_sync(&vc4->v3d->pdev->dev); - if (ret) + if (ret < 0) return ret; args->value = V3D_READ(V3D_IDENT2); pm_runtime_put(&vc4->v3d->pdev->dev); diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h index 489e3de0c050..428e24919ef1 100644 --- a/drivers/gpu/drm/vc4/vc4_drv.h +++ b/drivers/gpu/drm/vc4/vc4_drv.h @@ -321,6 +321,15 @@ vc4_first_render_job(struct vc4_dev *vc4) struct vc4_exec_info, head); } +static inline struct vc4_exec_info * +vc4_last_render_job(struct vc4_dev *vc4) +{ + if (list_empty(&vc4->render_job_list)) + return NULL; + return list_last_entry(&vc4->render_job_list, + struct vc4_exec_info, head); +} + /** * struct vc4_texture_sample_info - saves the offsets into the UBO for texture * setup parameters. diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c index 6155e8aca1c6..b262c5c26f10 100644 --- a/drivers/gpu/drm/vc4/vc4_gem.c +++ b/drivers/gpu/drm/vc4/vc4_gem.c @@ -534,8 +534,8 @@ vc4_cl_lookup_bos(struct drm_device *dev, return -EINVAL; } - exec->bo = kcalloc(exec->bo_count, sizeof(struct drm_gem_cma_object *), - GFP_KERNEL); + exec->bo = drm_calloc_large(exec->bo_count, + sizeof(struct drm_gem_cma_object *)); if (!exec->bo) { DRM_ERROR("Failed to allocate validated BO pointers\n"); return -ENOMEM; @@ -572,8 +572,8 @@ vc4_cl_lookup_bos(struct drm_device *dev, spin_unlock(&file_priv->table_lock); fail: - kfree(handles); - return 0; + drm_free_large(handles); + return ret; } static int @@ -608,7 +608,7 @@ vc4_get_bcl(struct drm_device *dev, struct vc4_exec_info *exec) * read the contents back for validation, and I think the * bo->vaddr is uncached access. */ - temp = kmalloc(temp_size, GFP_KERNEL); + temp = drm_malloc_ab(temp_size, 1); if (!temp) { DRM_ERROR("Failed to allocate storage for copying " "in bin/render CLs.\n"); @@ -675,7 +675,7 @@ vc4_get_bcl(struct drm_device *dev, struct vc4_exec_info *exec) ret = vc4_validate_shader_recs(dev, exec); fail: - kfree(temp); + drm_free_large(temp); return ret; } @@ -688,7 +688,7 @@ vc4_complete_exec(struct drm_device *dev, struct vc4_exec_info *exec) if (exec->bo) { for (i = 0; i < exec->bo_count; i++) drm_gem_object_unreference_unlocked(&exec->bo[i]->base); - kfree(exec->bo); + drm_free_large(exec->bo); } while (!list_empty(&exec->unref_list)) { @@ -942,8 +942,8 @@ vc4_gem_destroy(struct drm_device *dev) vc4->overflow_mem = NULL; } - vc4_bo_cache_destroy(dev); - if (vc4->hang_state) vc4_free_hang_state(dev, vc4->hang_state); + + vc4_bo_cache_destroy(dev); } diff --git a/drivers/gpu/drm/vc4/vc4_irq.c b/drivers/gpu/drm/vc4/vc4_irq.c index b0104a346a74..094bc6a475c1 100644 --- a/drivers/gpu/drm/vc4/vc4_irq.c +++ b/drivers/gpu/drm/vc4/vc4_irq.c @@ -83,8 +83,10 @@ vc4_overflow_mem_work(struct work_struct *work) spin_lock_irqsave(&vc4->job_lock, irqflags); current_exec = vc4_first_bin_job(vc4); + if (!current_exec) + current_exec = vc4_last_render_job(vc4); if (current_exec) { - vc4->overflow_mem->seqno = vc4->finished_seqno + 1; + vc4->overflow_mem->seqno = current_exec->seqno; list_add_tail(&vc4->overflow_mem->unref_head, ¤t_exec->unref_list); vc4->overflow_mem = NULL; diff --git a/drivers/i2c/busses/i2c-bcm-kona.c b/drivers/i2c/busses/i2c-bcm-kona.c index f98743277e3c..258cb9a40ab3 100644 --- a/drivers/i2c/busses/i2c-bcm-kona.c +++ b/drivers/i2c/busses/i2c-bcm-kona.c @@ -643,7 +643,7 @@ static int bcm_kona_i2c_xfer(struct i2c_adapter *adapter, if (rc < 0) { dev_err(dev->device, "restart cmd failed rc = %d\n", rc); - goto xfer_send_stop; + goto xfer_send_stop; } } diff --git a/drivers/i2c/busses/i2c-cadence.c b/drivers/i2c/busses/i2c-cadence.c index 90bbd9f9dd8f..3c16a2f7c673 100644 --- a/drivers/i2c/busses/i2c-cadence.c +++ b/drivers/i2c/busses/i2c-cadence.c @@ -767,7 +767,7 @@ static int cdns_i2c_setclk(unsigned long clk_in, struct cdns_i2c *id) * depending on the scaling direction. * * Return: NOTIFY_STOP if the rate change should be aborted, NOTIFY_OK - * to acknowedge the change, NOTIFY_DONE if the notification is + * to acknowledge the change, NOTIFY_DONE if the notification is * considered irrelevant. */ static int cdns_i2c_clk_notifier_cb(struct notifier_block *nb, unsigned long diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c index c6922b806fb7..fcd973d5131e 100644 --- a/drivers/i2c/busses/i2c-designware-core.c +++ b/drivers/i2c/busses/i2c-designware-core.c @@ -367,13 +367,17 @@ int i2c_dw_init(struct dw_i2c_dev *dev) dev_dbg(dev->dev, "Fast-mode HCNT:LCNT = %d:%d\n", hcnt, lcnt); /* Configure SDA Hold Time if required */ - if (dev->sda_hold_time) { - reg = dw_readl(dev, DW_IC_COMP_VERSION); - if (reg >= DW_IC_SDA_HOLD_MIN_VERS) + reg = dw_readl(dev, DW_IC_COMP_VERSION); + if (reg >= DW_IC_SDA_HOLD_MIN_VERS) { + if (dev->sda_hold_time) { dw_writel(dev, dev->sda_hold_time, DW_IC_SDA_HOLD); - else - dev_warn(dev->dev, - "Hardware too old to adjust SDA hold time."); + } else { + /* Keep previous hold time setting if no one set it */ + dev->sda_hold_time = dw_readl(dev, DW_IC_SDA_HOLD); + } + } else { + dev_warn(dev->dev, + "Hardware too old to adjust SDA hold time.\n"); } /* Configure Tx/Rx FIFO threshold levels */ diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index 52407f3c9e1c..9bd849dacee8 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -378,7 +378,7 @@ static void rcar_i2c_dma(struct rcar_i2c_priv *priv) } dma_addr = dma_map_single(chan->device->dev, buf, len, dir); - if (dma_mapping_error(dev, dma_addr)) { + if (dma_mapping_error(chan->device->dev, dma_addr)) { dev_dbg(dev, "dma map failed, using PIO\n"); return; } diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c index 2bc8b01153d6..5c5b7cada8be 100644 --- a/drivers/i2c/busses/i2c-rk3x.c +++ b/drivers/i2c/busses/i2c-rk3x.c @@ -918,7 +918,7 @@ static void rk3x_i2c_adapt_div(struct rk3x_i2c *i2c, unsigned long clk_rate) * Code adapted from i2c-cadence.c. * * Return: NOTIFY_STOP if the rate change should be aborted, NOTIFY_OK - * to acknowedge the change, NOTIFY_DONE if the notification is + * to acknowledge the change, NOTIFY_DONE if the notification is * considered irrelevant. */ static int rk3x_i2c_clk_notifier_cb(struct notifier_block *nb, unsigned long @@ -1111,6 +1111,15 @@ static int rk3x_i2c_xfer(struct i2c_adapter *adap, return ret < 0 ? ret : num; } +static __maybe_unused int rk3x_i2c_resume(struct device *dev) +{ + struct rk3x_i2c *i2c = dev_get_drvdata(dev); + + rk3x_i2c_adapt_div(i2c, clk_get_rate(i2c->clk)); + + return 0; +} + static u32 rk3x_i2c_func(struct i2c_adapter *adap) { return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_PROTOCOL_MANGLING; @@ -1334,12 +1343,15 @@ static int rk3x_i2c_remove(struct platform_device *pdev) return 0; } +static SIMPLE_DEV_PM_OPS(rk3x_i2c_pm_ops, NULL, rk3x_i2c_resume); + static struct platform_driver rk3x_i2c_driver = { .probe = rk3x_i2c_probe, .remove = rk3x_i2c_remove, .driver = { .name = "rk3x-i2c", .of_match_table = rk3x_i2c_match, + .pm = &rk3x_i2c_pm_ops, }, }; diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c index 6fb3e2645992..05b1eeab9cf5 100644 --- a/drivers/i2c/busses/i2c-sh_mobile.c +++ b/drivers/i2c/busses/i2c-sh_mobile.c @@ -610,7 +610,7 @@ static void sh_mobile_i2c_xfer_dma(struct sh_mobile_i2c_data *pd) return; dma_addr = dma_map_single(chan->device->dev, pd->msg->buf, pd->msg->len, dir); - if (dma_mapping_error(pd->dev, dma_addr)) { + if (dma_mapping_error(chan->device->dev, dma_addr)) { dev_dbg(pd->dev, "dma map failed, using PIO\n"); return; } diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c index 215ac87f606d..b3893f6282ba 100644 --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c @@ -37,8 +37,6 @@ struct i2c_demux_pinctrl_priv { struct i2c_demux_pinctrl_chan chan[]; }; -static struct property status_okay = { .name = "status", .length = 3, .value = "ok" }; - static int i2c_demux_master_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) { struct i2c_demux_pinctrl_priv *priv = adap->algo_data; @@ -107,6 +105,7 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne of_changeset_revert(&priv->chan[new_chan].chgset); err: dev_err(priv->dev, "failed to setup demux-adapter %d (%d)\n", new_chan, ret); + priv->cur_chan = -EINVAL; return ret; } @@ -192,6 +191,7 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct i2c_demux_pinctrl_priv *priv; + struct property *props; int num_chan, i, j, err; num_chan = of_count_phandle_with_args(np, "i2c-parent", NULL); @@ -202,7 +202,10 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev) priv = devm_kzalloc(&pdev->dev, sizeof(*priv) + num_chan * sizeof(struct i2c_demux_pinctrl_chan), GFP_KERNEL); - if (!priv) + + props = devm_kcalloc(&pdev->dev, num_chan, sizeof(*props), GFP_KERNEL); + + if (!priv || !props) return -ENOMEM; err = of_property_read_string(np, "i2c-bus-name", &priv->bus_name); @@ -220,8 +223,12 @@ static int i2c_demux_pinctrl_probe(struct platform_device *pdev) } priv->chan[i].parent_np = adap_np; + props[i].name = devm_kstrdup(&pdev->dev, "status", GFP_KERNEL); + props[i].value = devm_kstrdup(&pdev->dev, "ok", GFP_KERNEL); + props[i].length = 3; + of_changeset_init(&priv->chan[i].chgset); - of_changeset_update_property(&priv->chan[i].chgset, adap_np, &status_okay); + of_changeset_update_property(&priv->chan[i].chgset, adap_np, &props[i]); } priv->num_chan = num_chan; diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index 89d78208de3f..78f148ea9d9f 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -20,6 +20,8 @@ config BMA180 config BMA220 tristate "Bosch BMA220 3-Axis Accelerometer Driver" depends on SPI + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help Say yes here to add support for the Bosch BMA220 triaxial acceleration sensor. @@ -234,7 +236,8 @@ config STK8312 config STK8BA50 tristate "Sensortek STK8BA50 3-Axis Accelerometer Driver" depends on I2C - depends on IIO_TRIGGER + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help Say yes here to get support for the Sensortek STK8BA50 3-axis accelerometer. diff --git a/drivers/iio/accel/bma220_spi.c b/drivers/iio/accel/bma220_spi.c index 1098d10df8e8..5099f295dd37 100644 --- a/drivers/iio/accel/bma220_spi.c +++ b/drivers/iio/accel/bma220_spi.c @@ -253,7 +253,7 @@ static int bma220_probe(struct spi_device *spi) if (ret < 0) return ret; - ret = iio_triggered_buffer_setup(indio_dev, NULL, + ret = iio_triggered_buffer_setup(indio_dev, iio_pollfunc_store_time, bma220_trigger_handler, NULL); if (ret < 0) { dev_err(&spi->dev, "iio triggered buffer setup failed\n"); diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c index bf17aae66145..59b380dbf27f 100644 --- a/drivers/iio/accel/bmc150-accel-core.c +++ b/drivers/iio/accel/bmc150-accel-core.c @@ -67,6 +67,9 @@ #define BMC150_ACCEL_REG_PMU_BW 0x10 #define BMC150_ACCEL_DEF_BW 125 +#define BMC150_ACCEL_REG_RESET 0x14 +#define BMC150_ACCEL_RESET_VAL 0xB6 + #define BMC150_ACCEL_REG_INT_MAP_0 0x19 #define BMC150_ACCEL_INT_MAP_0_BIT_SLOPE BIT(2) @@ -1497,6 +1500,14 @@ static int bmc150_accel_chip_init(struct bmc150_accel_data *data) int ret, i; unsigned int val; + /* + * Reset chip to get it in a known good state. A delay of 1.8ms after + * reset is required according to the data sheets of supported chips. + */ + regmap_write(data->regmap, BMC150_ACCEL_REG_RESET, + BMC150_ACCEL_RESET_VAL); + usleep_range(1800, 2500); + ret = regmap_read(data->regmap, BMC150_ACCEL_REG_CHIP_ID, &val); if (ret < 0) { dev_err(dev, "Error: Reading chip id\n"); diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c index 3a9f106787d2..9d72d4bcf5e9 100644 --- a/drivers/iio/accel/kxsd9.c +++ b/drivers/iio/accel/kxsd9.c @@ -160,11 +160,13 @@ static int kxsd9_read_raw(struct iio_dev *indio_dev, if (ret < 0) goto error_ret; *val = ret; + ret = IIO_VAL_INT; break; case IIO_CHAN_INFO_SCALE: ret = spi_w8r8(st->us, KXSD9_READ(KXSD9_REG_CTRL_C)); if (ret < 0) goto error_ret; + *val = 0; *val2 = kxsd9_micro_scales[ret & KXSD9_FS_MASK]; ret = IIO_VAL_INT_PLUS_MICRO; break; diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 1de31bdd4ce4..767577298ee3 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -389,6 +389,7 @@ config QCOM_SPMI_VADC config ROCKCHIP_SARADC tristate "Rockchip SARADC driver" depends on ARCH_ROCKCHIP || (ARM && COMPILE_TEST) + depends on RESET_CONTROLLER help Say yes here to build support for the SARADC found in SoCs from Rockchip. diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c index b6163764489c..9704090b7908 100644 --- a/drivers/iio/adc/ad799x.c +++ b/drivers/iio/adc/ad799x.c @@ -527,6 +527,7 @@ static struct attribute_group ad799x_event_attrs_group = { static const struct iio_info ad7991_info = { .read_raw = &ad799x_read_raw, .driver_module = THIS_MODULE, + .update_scan_mode = ad799x_update_scan_mode, }; static const struct iio_info ad7993_4_7_8_noirq_info = { diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 52430ba171f3..0438c68015e8 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -381,8 +381,8 @@ static irqreturn_t at91_adc_rl_interrupt(int irq, void *private) st->ts_bufferedmeasure = false; input_report_key(st->ts_input, BTN_TOUCH, 0); input_sync(st->ts_input); - } else if (status & AT91_ADC_EOC(3)) { - /* Conversion finished */ + } else if (status & AT91_ADC_EOC(3) && st->ts_input) { + /* Conversion finished and we've a touchscreen */ if (st->ts_bufferedmeasure) { /* * Last measurement is always discarded, since it can diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index f9ad6c2d6821..85d701291654 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -21,6 +21,8 @@ #include <linux/of_device.h> #include <linux/clk.h> #include <linux/completion.h> +#include <linux/delay.h> +#include <linux/reset.h> #include <linux/regulator/consumer.h> #include <linux/iio/iio.h> @@ -53,6 +55,7 @@ struct rockchip_saradc { struct clk *clk; struct completion completion; struct regulator *vref; + struct reset_control *reset; const struct rockchip_saradc_data *data; u16 last_val; }; @@ -190,6 +193,16 @@ static const struct of_device_id rockchip_saradc_match[] = { }; MODULE_DEVICE_TABLE(of, rockchip_saradc_match); +/** + * Reset SARADC Controller. + */ +static void rockchip_saradc_reset_controller(struct reset_control *reset) +{ + reset_control_assert(reset); + usleep_range(10, 20); + reset_control_deassert(reset); +} + static int rockchip_saradc_probe(struct platform_device *pdev) { struct rockchip_saradc *info = NULL; @@ -218,6 +231,20 @@ static int rockchip_saradc_probe(struct platform_device *pdev) if (IS_ERR(info->regs)) return PTR_ERR(info->regs); + /* + * The reset should be an optional property, as it should work + * with old devicetrees as well + */ + info->reset = devm_reset_control_get(&pdev->dev, "saradc-apb"); + if (IS_ERR(info->reset)) { + ret = PTR_ERR(info->reset); + if (ret != -ENOENT) + return ret; + + dev_dbg(&pdev->dev, "no reset control found\n"); + info->reset = NULL; + } + init_completion(&info->completion); irq = platform_get_irq(pdev, 0); @@ -252,6 +279,9 @@ static int rockchip_saradc_probe(struct platform_device *pdev) return PTR_ERR(info->vref); } + if (info->reset) + rockchip_saradc_reset_controller(info->reset); + /* * Use a default value for the converter clock. * This may become user-configurable in the future. diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c index 1ef398770a1f..066abaf80201 100644 --- a/drivers/iio/adc/ti-ads1015.c +++ b/drivers/iio/adc/ti-ads1015.c @@ -489,7 +489,8 @@ static struct iio_info ads1115_info = { #ifdef CONFIG_OF static int ads1015_get_channels_config_of(struct i2c_client *client) { - struct ads1015_data *data = i2c_get_clientdata(client); + struct iio_dev *indio_dev = i2c_get_clientdata(client); + struct ads1015_data *data = iio_priv(indio_dev); struct device_node *node; if (!client->dev.of_node || diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index 8a368756881b..c3cfacca2541 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -32,6 +32,7 @@ struct tiadc_device { struct ti_tscadc_dev *mfd_tscadc; + struct mutex fifo1_lock; /* to protect fifo access */ int channels; u8 channel_line[8]; u8 channel_step[8]; @@ -359,6 +360,7 @@ static int tiadc_read_raw(struct iio_dev *indio_dev, int *val, int *val2, long mask) { struct tiadc_device *adc_dev = iio_priv(indio_dev); + int ret = IIO_VAL_INT; int i, map_val; unsigned int fifo1count, read, stepid; bool found = false; @@ -372,13 +374,14 @@ static int tiadc_read_raw(struct iio_dev *indio_dev, if (!step_en) return -EINVAL; + mutex_lock(&adc_dev->fifo1_lock); fifo1count = tiadc_readl(adc_dev, REG_FIFO1CNT); while (fifo1count--) tiadc_readl(adc_dev, REG_FIFO1); am335x_tsc_se_set_once(adc_dev->mfd_tscadc, step_en); - timeout = jiffies + usecs_to_jiffies + timeout = jiffies + msecs_to_jiffies (IDLE_TIMEOUT * adc_dev->channels); /* Wait for Fifo threshold interrupt */ while (1) { @@ -388,7 +391,8 @@ static int tiadc_read_raw(struct iio_dev *indio_dev, if (time_after(jiffies, timeout)) { am335x_tsc_se_adc_done(adc_dev->mfd_tscadc); - return -EAGAIN; + ret = -EAGAIN; + goto err_unlock; } } map_val = adc_dev->channel_step[chan->scan_index]; @@ -414,8 +418,11 @@ static int tiadc_read_raw(struct iio_dev *indio_dev, am335x_tsc_se_adc_done(adc_dev->mfd_tscadc); if (found == false) - return -EBUSY; - return IIO_VAL_INT; + ret = -EBUSY; + +err_unlock: + mutex_unlock(&adc_dev->fifo1_lock); + return ret; } static const struct iio_info tiadc_info = { @@ -483,6 +490,7 @@ static int tiadc_probe(struct platform_device *pdev) tiadc_step_config(indio_dev); tiadc_writel(adc_dev, REG_FIFO1THR, FIFO1_THRESHOLD); + mutex_init(&adc_dev->fifo1_lock); err = tiadc_channel_init(indio_dev, adc_dev->channels); if (err < 0) diff --git a/drivers/iio/chemical/atlas-ph-sensor.c b/drivers/iio/chemical/atlas-ph-sensor.c index ae038a59d256..407f141a1eee 100644 --- a/drivers/iio/chemical/atlas-ph-sensor.c +++ b/drivers/iio/chemical/atlas-ph-sensor.c @@ -434,7 +434,7 @@ static int atlas_read_raw(struct iio_dev *indio_dev, break; case IIO_ELECTRICALCONDUCTIVITY: *val = 1; /* 0.00001 */ - *val = 100000; + *val2 = 100000; break; case IIO_CONCENTRATION: *val = 0; /* 0.000000001 */ diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c index e81f434760f4..dc33c1dd5191 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c @@ -56,8 +56,8 @@ static struct { {HID_USAGE_SENSOR_ALS, 0, 1, 0}, {HID_USAGE_SENSOR_ALS, HID_USAGE_SENSOR_UNITS_LUX, 1, 0}, - {HID_USAGE_SENSOR_PRESSURE, 0, 100000, 0}, - {HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 1, 0}, + {HID_USAGE_SENSOR_PRESSURE, 0, 100, 0}, + {HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 0, 1000}, }; static int pow_10(unsigned power) diff --git a/drivers/iio/dac/stx104.c b/drivers/iio/dac/stx104.c index 792a97164cb2..bebbd00304ce 100644 --- a/drivers/iio/dac/stx104.c +++ b/drivers/iio/dac/stx104.c @@ -65,6 +65,16 @@ struct stx104_gpio { unsigned int out_state; }; +/** + * struct stx104_dev - STX104 device private data structure + * @indio_dev: IIO device + * @chip: instance of the gpio_chip + */ +struct stx104_dev { + struct iio_dev *indio_dev; + struct gpio_chip *chip; +}; + static int stx104_read_raw(struct iio_dev *indio_dev, struct iio_chan_spec const *chan, int *val, int *val2, long mask) { @@ -107,6 +117,7 @@ static const struct iio_chan_spec stx104_channels[STX104_NUM_CHAN] = { static int stx104_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) { + /* GPIO 0-3 are input only, while the rest are output only */ if (offset < 4) return 1; @@ -169,6 +180,7 @@ static int stx104_probe(struct device *dev, unsigned int id) struct iio_dev *indio_dev; struct stx104_iio *priv; struct stx104_gpio *stx104gpio; + struct stx104_dev *stx104dev; int err; indio_dev = devm_iio_device_alloc(dev, sizeof(*priv)); @@ -179,6 +191,10 @@ static int stx104_probe(struct device *dev, unsigned int id) if (!stx104gpio) return -ENOMEM; + stx104dev = devm_kzalloc(dev, sizeof(*stx104dev), GFP_KERNEL); + if (!stx104dev) + return -ENOMEM; + if (!devm_request_region(dev, base[id], STX104_EXTENT, dev_name(dev))) { dev_err(dev, "Unable to lock port addresses (0x%X-0x%X)\n", @@ -199,12 +215,6 @@ static int stx104_probe(struct device *dev, unsigned int id) outw(0, base[id] + 4); outw(0, base[id] + 6); - err = devm_iio_device_register(dev, indio_dev); - if (err) { - dev_err(dev, "IIO device registering failed (%d)\n", err); - return err; - } - stx104gpio->chip.label = dev_name(dev); stx104gpio->chip.parent = dev; stx104gpio->chip.owner = THIS_MODULE; @@ -220,7 +230,9 @@ static int stx104_probe(struct device *dev, unsigned int id) spin_lock_init(&stx104gpio->lock); - dev_set_drvdata(dev, stx104gpio); + stx104dev->indio_dev = indio_dev; + stx104dev->chip = &stx104gpio->chip; + dev_set_drvdata(dev, stx104dev); err = gpiochip_add_data(&stx104gpio->chip, stx104gpio); if (err) { @@ -228,14 +240,22 @@ static int stx104_probe(struct device *dev, unsigned int id) return err; } + err = iio_device_register(indio_dev); + if (err) { + dev_err(dev, "IIO device registering failed (%d)\n", err); + gpiochip_remove(&stx104gpio->chip); + return err; + } + return 0; } static int stx104_remove(struct device *dev, unsigned int id) { - struct stx104_gpio *const stx104gpio = dev_get_drvdata(dev); + struct stx104_dev *const stx104dev = dev_get_drvdata(dev); - gpiochip_remove(&stx104gpio->chip); + iio_device_unregister(stx104dev->indio_dev); + gpiochip_remove(stx104dev->chip); return 0; } diff --git a/drivers/iio/humidity/Kconfig b/drivers/iio/humidity/Kconfig index 738a86d9e4a9..d04124345992 100644 --- a/drivers/iio/humidity/Kconfig +++ b/drivers/iio/humidity/Kconfig @@ -6,6 +6,8 @@ menu "Humidity sensors" config AM2315 tristate "Aosong AM2315 relative humidity and temperature sensor" depends on I2C + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help If you say yes here you get support for the Aosong AM2315 relative humidity and ambient temperature sensor. diff --git a/drivers/iio/humidity/am2315.c b/drivers/iio/humidity/am2315.c index 3e200f69e886..ff96b6d0fdae 100644 --- a/drivers/iio/humidity/am2315.c +++ b/drivers/iio/humidity/am2315.c @@ -244,7 +244,7 @@ static int am2315_probe(struct i2c_client *client, indio_dev->channels = am2315_channels; indio_dev->num_channels = ARRAY_SIZE(am2315_channels); - ret = iio_triggered_buffer_setup(indio_dev, NULL, + ret = iio_triggered_buffer_setup(indio_dev, iio_pollfunc_store_time, am2315_trigger_handler, NULL); if (ret < 0) { dev_err(&client->dev, "iio triggered buffer setup failed\n"); diff --git a/drivers/iio/humidity/hdc100x.c b/drivers/iio/humidity/hdc100x.c index a03832a5fc95..e0c9c70c2a4a 100644 --- a/drivers/iio/humidity/hdc100x.c +++ b/drivers/iio/humidity/hdc100x.c @@ -142,7 +142,7 @@ static int hdc100x_get_measurement(struct hdc100x_data *data, struct i2c_client *client = data->client; int delay = data->adc_int_us[chan->address]; int ret; - int val; + __be16 val; /* start measurement */ ret = i2c_smbus_write_byte(client, chan->address); @@ -154,26 +154,13 @@ static int hdc100x_get_measurement(struct hdc100x_data *data, /* wait for integration time to pass */ usleep_range(delay, delay + 1000); - /* - * i2c_smbus_read_word_data cannot() be used here due to the command - * value not being understood and causes NAKs preventing any reading - * from being accessed. - */ - ret = i2c_smbus_read_byte(client); + /* read measurement */ + ret = i2c_master_recv(data->client, (char *)&val, sizeof(val)); if (ret < 0) { - dev_err(&client->dev, "cannot read high byte measurement"); + dev_err(&client->dev, "cannot read sensor data\n"); return ret; } - val = ret << 8; - - ret = i2c_smbus_read_byte(client); - if (ret < 0) { - dev_err(&client->dev, "cannot read low byte measurement"); - return ret; - } - val |= ret; - - return val; + return be16_to_cpu(val); } static int hdc100x_get_heater_status(struct hdc100x_data *data) @@ -272,8 +259,8 @@ static int hdc100x_probe(struct i2c_client *client, struct iio_dev *indio_dev; struct hdc100x_data *data; - if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_WORD_DATA | I2C_FUNC_SMBUS_BYTE)) + if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WORD_DATA | + I2C_FUNC_SMBUS_BYTE | I2C_FUNC_I2C)) return -EOPNOTSUPP; indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 90462fcf5436..158aaf44dd95 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -107,9 +107,10 @@ ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf, { struct iio_dev *indio_dev = filp->private_data; struct iio_buffer *rb = indio_dev->buffer; + DEFINE_WAIT_FUNC(wait, woken_wake_function); size_t datum_size; size_t to_wait; - int ret; + int ret = 0; if (!indio_dev->info) return -ENODEV; @@ -131,19 +132,29 @@ ssize_t iio_buffer_read_first_n_outer(struct file *filp, char __user *buf, else to_wait = min_t(size_t, n / datum_size, rb->watermark); + add_wait_queue(&rb->pollq, &wait); do { - ret = wait_event_interruptible(rb->pollq, - iio_buffer_ready(indio_dev, rb, to_wait, n / datum_size)); - if (ret) - return ret; + if (!indio_dev->info) { + ret = -ENODEV; + break; + } - if (!indio_dev->info) - return -ENODEV; + if (!iio_buffer_ready(indio_dev, rb, to_wait, n / datum_size)) { + if (signal_pending(current)) { + ret = -ERESTARTSYS; + break; + } + + wait_woken(&wait, TASK_INTERRUPTIBLE, + MAX_SCHEDULE_TIMEOUT); + continue; + } ret = rb->access->read_first_n(rb, n, buf); if (ret == 0 && (filp->f_flags & O_NONBLOCK)) ret = -EAGAIN; - } while (ret == 0); + } while (ret == 0); + remove_wait_queue(&rb->pollq, &wait); return ret; } diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index f914d5d140e4..d2b889918c3e 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -613,9 +613,8 @@ ssize_t iio_format_value(char *buf, unsigned int type, int size, int *vals) return sprintf(buf, "%d.%09u\n", vals[0], vals[1]); case IIO_VAL_FRACTIONAL: tmp = div_s64((s64)vals[0] * 1000000000LL, vals[1]); - vals[1] = do_div(tmp, 1000000000LL); - vals[0] = tmp; - return sprintf(buf, "%d.%09u\n", vals[0], vals[1]); + vals[0] = (int)div_s64_rem(tmp, 1000000000, &vals[1]); + return sprintf(buf, "%d.%09u\n", vals[0], abs(vals[1])); case IIO_VAL_FRACTIONAL_LOG2: tmp = (s64)vals[0] * 1000000000LL >> vals[1]; vals[1] = do_div(tmp, 1000000000LL); diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig index 7c566f516572..3574945183fe 100644 --- a/drivers/iio/light/Kconfig +++ b/drivers/iio/light/Kconfig @@ -76,7 +76,6 @@ config BH1750 config BH1780 tristate "ROHM BH1780 ambient light sensor" depends on I2C - depends on !SENSORS_BH1780 help Say Y here to build support for the ROHM BH1780GLI ambient light sensor. @@ -238,6 +237,8 @@ config MAX44000 tristate "MAX44000 Ambient and Infrared Proximity Sensor" depends on I2C select REGMAP_I2C + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help Say Y here if you want to build support for Maxim Integrated's MAX44000 ambient and infrared proximity sensor device. diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c index 6943688e66df..e5a533cbd53f 100644 --- a/drivers/iio/pressure/bmp280-core.c +++ b/drivers/iio/pressure/bmp280-core.c @@ -970,7 +970,7 @@ int bmp280_common_probe(struct device *dev, data->vdda = devm_regulator_get(dev, "vdda"); if (IS_ERR(data->vdda)) { dev_err(dev, "failed to get VDDA regulator\n"); - ret = PTR_ERR(data->vddd); + ret = PTR_ERR(data->vdda); goto out_disable_vddd; } ret = regulator_enable(data->vdda); @@ -1079,7 +1079,8 @@ EXPORT_SYMBOL(bmp280_common_remove); #ifdef CONFIG_PM static int bmp280_runtime_suspend(struct device *dev) { - struct bmp280_data *data = dev_get_drvdata(dev); + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct bmp280_data *data = iio_priv(indio_dev); int ret; ret = regulator_disable(data->vdda); @@ -1090,7 +1091,8 @@ static int bmp280_runtime_suspend(struct device *dev) static int bmp280_runtime_resume(struct device *dev) { - struct bmp280_data *data = dev_get_drvdata(dev); + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct bmp280_data *data = iio_priv(indio_dev); int ret; ret = regulator_enable(data->vddd); diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c index 2e3a70e1b245..5656deb17261 100644 --- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -397,7 +397,7 @@ static int as3935_probe(struct spi_device *spi) return ret; } - ret = iio_triggered_buffer_setup(indio_dev, NULL, + ret = iio_triggered_buffer_setup(indio_dev, iio_pollfunc_store_time, &as3935_trigger_handler, NULL); if (ret) { diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c index 3a3c5d73bbfc..51c79b2fb0b8 100644 --- a/drivers/infiniband/core/multicast.c +++ b/drivers/infiniband/core/multicast.c @@ -106,7 +106,6 @@ struct mcast_group { atomic_t refcount; enum mcast_group_state state; struct ib_sa_query *query; - int query_id; u16 pkey_index; u8 leave_state; int retries; @@ -340,11 +339,7 @@ static int send_join(struct mcast_group *group, struct mcast_member *member) member->multicast.comp_mask, 3000, GFP_KERNEL, join_handler, group, &group->query); - if (ret >= 0) { - group->query_id = ret; - ret = 0; - } - return ret; + return (ret > 0) ? 0 : ret; } static int send_leave(struct mcast_group *group, u8 leave_state) @@ -364,11 +359,7 @@ static int send_leave(struct mcast_group *group, u8 leave_state) IB_SA_MCMEMBER_REC_JOIN_STATE, 3000, GFP_KERNEL, leave_handler, group, &group->query); - if (ret >= 0) { - group->query_id = ret; - ret = 0; - } - return ret; + return (ret > 0) ? 0 : ret; } static void join_group(struct mcast_group *group, struct mcast_member *member, diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index edb1172b6f54..690435229be7 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -683,7 +683,7 @@ static int build_inv_stag(union t4_wr *wqe, struct ib_send_wr *wr, return 0; } -void _free_qp(struct kref *kref) +static void _free_qp(struct kref *kref) { struct c4iw_qp *qhp; diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index b32638d58ae8..cc38004cea42 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -9490,6 +9490,78 @@ static void init_lcb(struct hfi1_devdata *dd) write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, 0x00); } +/* + * Perform a test read on the QSFP. Return 0 on success, -ERRNO + * on error. + */ +static int test_qsfp_read(struct hfi1_pportdata *ppd) +{ + int ret; + u8 status; + + /* report success if not a QSFP */ + if (ppd->port_type != PORT_TYPE_QSFP) + return 0; + + /* read byte 2, the status byte */ + ret = one_qsfp_read(ppd, ppd->dd->hfi1_id, 2, &status, 1); + if (ret < 0) + return ret; + if (ret != 1) + return -EIO; + + return 0; /* success */ +} + +/* + * Values for QSFP retry. + * + * Give up after 10s (20 x 500ms). The overall timeout was empirically + * arrived at from experience on a large cluster. + */ +#define MAX_QSFP_RETRIES 20 +#define QSFP_RETRY_WAIT 500 /* msec */ + +/* + * Try a QSFP read. If it fails, schedule a retry for later. + * Called on first link activation after driver load. + */ +static void try_start_link(struct hfi1_pportdata *ppd) +{ + if (test_qsfp_read(ppd)) { + /* read failed */ + if (ppd->qsfp_retry_count >= MAX_QSFP_RETRIES) { + dd_dev_err(ppd->dd, "QSFP not responding, giving up\n"); + return; + } + dd_dev_info(ppd->dd, + "QSFP not responding, waiting and retrying %d\n", + (int)ppd->qsfp_retry_count); + ppd->qsfp_retry_count++; + queue_delayed_work(ppd->hfi1_wq, &ppd->start_link_work, + msecs_to_jiffies(QSFP_RETRY_WAIT)); + return; + } + ppd->qsfp_retry_count = 0; + + /* + * Tune the SerDes to a ballpark setting for optimal signal and bit + * error rate. Needs to be done before starting the link. + */ + tune_serdes(ppd); + start_link(ppd); +} + +/* + * Workqueue function to start the link after a delay. + */ +void handle_start_link(struct work_struct *work) +{ + struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata, + start_link_work.work); + try_start_link(ppd); +} + int bringup_serdes(struct hfi1_pportdata *ppd) { struct hfi1_devdata *dd = ppd->dd; @@ -9525,14 +9597,8 @@ int bringup_serdes(struct hfi1_pportdata *ppd) set_qsfp_int_n(ppd, 1); } - /* - * Tune the SerDes to a ballpark setting for - * optimal signal and bit error rate - * Needs to be done before starting the link - */ - tune_serdes(ppd); - - return start_link(ppd); + try_start_link(ppd); + return 0; } void hfi1_quiet_serdes(struct hfi1_pportdata *ppd) @@ -9549,6 +9615,10 @@ void hfi1_quiet_serdes(struct hfi1_pportdata *ppd) ppd->driver_link_ready = 0; ppd->link_enabled = 0; + ppd->qsfp_retry_count = MAX_QSFP_RETRIES; /* prevent more retries */ + flush_delayed_work(&ppd->start_link_work); + cancel_delayed_work_sync(&ppd->start_link_work); + ppd->offline_disabled_reason = HFI1_ODR_MASK(OPA_LINKDOWN_REASON_SMA_DISABLED); set_link_down_reason(ppd, OPA_LINKDOWN_REASON_SMA_DISABLED, 0, @@ -12865,7 +12935,7 @@ fail: */ static int set_up_context_variables(struct hfi1_devdata *dd) { - int num_kernel_contexts; + unsigned long num_kernel_contexts; int total_contexts; int ret; unsigned ngroups; @@ -12894,9 +12964,9 @@ static int set_up_context_variables(struct hfi1_devdata *dd) */ if (num_kernel_contexts > (dd->chip_send_contexts - num_vls - 1)) { dd_dev_err(dd, - "Reducing # kernel rcv contexts to: %d, from %d\n", + "Reducing # kernel rcv contexts to: %d, from %lu\n", (int)(dd->chip_send_contexts - num_vls - 1), - (int)num_kernel_contexts); + num_kernel_contexts); num_kernel_contexts = dd->chip_send_contexts - num_vls - 1; } /* diff --git a/drivers/infiniband/hw/hfi1/chip.h b/drivers/infiniband/hw/hfi1/chip.h index ed11107c50fe..e29573769efc 100644 --- a/drivers/infiniband/hw/hfi1/chip.h +++ b/drivers/infiniband/hw/hfi1/chip.h @@ -706,6 +706,7 @@ void handle_link_up(struct work_struct *work); void handle_link_down(struct work_struct *work); void handle_link_downgrade(struct work_struct *work); void handle_link_bounce(struct work_struct *work); +void handle_start_link(struct work_struct *work); void handle_sma_message(struct work_struct *work); void reset_qsfp(struct hfi1_pportdata *ppd); void qsfp_event(struct work_struct *work); diff --git a/drivers/infiniband/hw/hfi1/debugfs.c b/drivers/infiniband/hw/hfi1/debugfs.c index a49cc88f08a2..5e9be16f6cd3 100644 --- a/drivers/infiniband/hw/hfi1/debugfs.c +++ b/drivers/infiniband/hw/hfi1/debugfs.c @@ -59,6 +59,40 @@ static struct dentry *hfi1_dbg_root; +/* wrappers to enforce srcu in seq file */ +static ssize_t hfi1_seq_read( + struct file *file, + char __user *buf, + size_t size, + loff_t *ppos) +{ + struct dentry *d = file->f_path.dentry; + int srcu_idx; + ssize_t r; + + r = debugfs_use_file_start(d, &srcu_idx); + if (likely(!r)) + r = seq_read(file, buf, size, ppos); + debugfs_use_file_finish(srcu_idx); + return r; +} + +static loff_t hfi1_seq_lseek( + struct file *file, + loff_t offset, + int whence) +{ + struct dentry *d = file->f_path.dentry; + int srcu_idx; + loff_t r; + + r = debugfs_use_file_start(d, &srcu_idx); + if (likely(!r)) + r = seq_lseek(file, offset, whence); + debugfs_use_file_finish(srcu_idx); + return r; +} + #define private2dd(file) (file_inode(file)->i_private) #define private2ppd(file) (file_inode(file)->i_private) @@ -87,8 +121,8 @@ static int _##name##_open(struct inode *inode, struct file *s) \ static const struct file_operations _##name##_file_ops = { \ .owner = THIS_MODULE, \ .open = _##name##_open, \ - .read = seq_read, \ - .llseek = seq_lseek, \ + .read = hfi1_seq_read, \ + .llseek = hfi1_seq_lseek, \ .release = seq_release \ } @@ -105,11 +139,9 @@ do { \ DEBUGFS_FILE_CREATE(#name, parent, data, &_##name##_file_ops, S_IRUGO) static void *_opcode_stats_seq_start(struct seq_file *s, loff_t *pos) -__acquires(RCU) { struct hfi1_opcode_stats_perctx *opstats; - rcu_read_lock(); if (*pos >= ARRAY_SIZE(opstats->stats)) return NULL; return pos; @@ -126,9 +158,7 @@ static void *_opcode_stats_seq_next(struct seq_file *s, void *v, loff_t *pos) } static void _opcode_stats_seq_stop(struct seq_file *s, void *v) -__releases(RCU) { - rcu_read_unlock(); } static int _opcode_stats_seq_show(struct seq_file *s, void *v) @@ -285,12 +315,10 @@ DEBUGFS_SEQ_FILE_OPEN(qp_stats) DEBUGFS_FILE_OPS(qp_stats); static void *_sdes_seq_start(struct seq_file *s, loff_t *pos) -__acquires(RCU) { struct hfi1_ibdev *ibd; struct hfi1_devdata *dd; - rcu_read_lock(); ibd = (struct hfi1_ibdev *)s->private; dd = dd_from_dev(ibd); if (!dd->per_sdma || *pos >= dd->num_sdma) @@ -310,9 +338,7 @@ static void *_sdes_seq_next(struct seq_file *s, void *v, loff_t *pos) } static void _sdes_seq_stop(struct seq_file *s, void *v) -__releases(RCU) { - rcu_read_unlock(); } static int _sdes_seq_show(struct seq_file *s, void *v) @@ -339,11 +365,9 @@ static ssize_t dev_counters_read(struct file *file, char __user *buf, struct hfi1_devdata *dd; ssize_t rval; - rcu_read_lock(); dd = private2dd(file); avail = hfi1_read_cntrs(dd, NULL, &counters); rval = simple_read_from_buffer(buf, count, ppos, counters, avail); - rcu_read_unlock(); return rval; } @@ -356,11 +380,9 @@ static ssize_t dev_names_read(struct file *file, char __user *buf, struct hfi1_devdata *dd; ssize_t rval; - rcu_read_lock(); dd = private2dd(file); avail = hfi1_read_cntrs(dd, &names, NULL); rval = simple_read_from_buffer(buf, count, ppos, names, avail); - rcu_read_unlock(); return rval; } @@ -383,11 +405,9 @@ static ssize_t portnames_read(struct file *file, char __user *buf, struct hfi1_devdata *dd; ssize_t rval; - rcu_read_lock(); dd = private2dd(file); avail = hfi1_read_portcntrs(dd->pport, &names, NULL); rval = simple_read_from_buffer(buf, count, ppos, names, avail); - rcu_read_unlock(); return rval; } @@ -400,11 +420,9 @@ static ssize_t portcntrs_debugfs_read(struct file *file, char __user *buf, struct hfi1_pportdata *ppd; ssize_t rval; - rcu_read_lock(); ppd = private2ppd(file); avail = hfi1_read_portcntrs(ppd, NULL, &counters); rval = simple_read_from_buffer(buf, count, ppos, counters, avail); - rcu_read_unlock(); return rval; } @@ -434,16 +452,13 @@ static ssize_t asic_flags_read(struct file *file, char __user *buf, int used; int i; - rcu_read_lock(); ppd = private2ppd(file); dd = ppd->dd; size = PAGE_SIZE; used = 0; tmp = kmalloc(size, GFP_KERNEL); - if (!tmp) { - rcu_read_unlock(); + if (!tmp) return -ENOMEM; - } scratch0 = read_csr(dd, ASIC_CFG_SCRATCH); used += scnprintf(tmp + used, size - used, @@ -470,7 +485,6 @@ static ssize_t asic_flags_read(struct file *file, char __user *buf, used += scnprintf(tmp + used, size - used, "Write bits to clear\n"); ret = simple_read_from_buffer(buf, count, ppos, tmp, used); - rcu_read_unlock(); kfree(tmp); return ret; } @@ -486,15 +500,12 @@ static ssize_t asic_flags_write(struct file *file, const char __user *buf, u64 scratch0; u64 clear; - rcu_read_lock(); ppd = private2ppd(file); dd = ppd->dd; buff = kmalloc(count + 1, GFP_KERNEL); - if (!buff) { - ret = -ENOMEM; - goto do_return; - } + if (!buff) + return -ENOMEM; ret = copy_from_user(buff, buf, count); if (ret > 0) { @@ -527,8 +538,6 @@ static ssize_t asic_flags_write(struct file *file, const char __user *buf, do_free: kfree(buff); - do_return: - rcu_read_unlock(); return ret; } @@ -542,18 +551,14 @@ static ssize_t qsfp_debugfs_dump(struct file *file, char __user *buf, char *tmp; int ret; - rcu_read_lock(); ppd = private2ppd(file); tmp = kmalloc(PAGE_SIZE, GFP_KERNEL); - if (!tmp) { - rcu_read_unlock(); + if (!tmp) return -ENOMEM; - } ret = qsfp_dump(ppd, tmp, PAGE_SIZE); if (ret > 0) ret = simple_read_from_buffer(buf, count, ppos, tmp, ret); - rcu_read_unlock(); kfree(tmp); return ret; } @@ -569,7 +574,6 @@ static ssize_t __i2c_debugfs_write(struct file *file, const char __user *buf, int offset; int total_written; - rcu_read_lock(); ppd = private2ppd(file); /* byte offset format: [offsetSize][i2cAddr][offsetHigh][offsetLow] */ @@ -577,16 +581,12 @@ static ssize_t __i2c_debugfs_write(struct file *file, const char __user *buf, offset = *ppos & 0xffff; /* explicitly reject invalid address 0 to catch cp and cat */ - if (i2c_addr == 0) { - ret = -EINVAL; - goto _return; - } + if (i2c_addr == 0) + return -EINVAL; buff = kmalloc(count, GFP_KERNEL); - if (!buff) { - ret = -ENOMEM; - goto _return; - } + if (!buff) + return -ENOMEM; ret = copy_from_user(buff, buf, count); if (ret > 0) { @@ -606,8 +606,6 @@ static ssize_t __i2c_debugfs_write(struct file *file, const char __user *buf, _free: kfree(buff); - _return: - rcu_read_unlock(); return ret; } @@ -636,7 +634,6 @@ static ssize_t __i2c_debugfs_read(struct file *file, char __user *buf, int offset; int total_read; - rcu_read_lock(); ppd = private2ppd(file); /* byte offset format: [offsetSize][i2cAddr][offsetHigh][offsetLow] */ @@ -644,16 +641,12 @@ static ssize_t __i2c_debugfs_read(struct file *file, char __user *buf, offset = *ppos & 0xffff; /* explicitly reject invalid address 0 to catch cp and cat */ - if (i2c_addr == 0) { - ret = -EINVAL; - goto _return; - } + if (i2c_addr == 0) + return -EINVAL; buff = kmalloc(count, GFP_KERNEL); - if (!buff) { - ret = -ENOMEM; - goto _return; - } + if (!buff) + return -ENOMEM; total_read = i2c_read(ppd, target, i2c_addr, offset, buff, count); if (total_read < 0) { @@ -673,8 +666,6 @@ static ssize_t __i2c_debugfs_read(struct file *file, char __user *buf, _free: kfree(buff); - _return: - rcu_read_unlock(); return ret; } @@ -701,26 +692,20 @@ static ssize_t __qsfp_debugfs_write(struct file *file, const char __user *buf, int ret; int total_written; - rcu_read_lock(); - if (*ppos + count > QSFP_PAGESIZE * 4) { /* base page + page00-page03 */ - ret = -EINVAL; - goto _return; - } + if (*ppos + count > QSFP_PAGESIZE * 4) /* base page + page00-page03 */ + return -EINVAL; ppd = private2ppd(file); buff = kmalloc(count, GFP_KERNEL); - if (!buff) { - ret = -ENOMEM; - goto _return; - } + if (!buff) + return -ENOMEM; ret = copy_from_user(buff, buf, count); if (ret > 0) { ret = -EFAULT; goto _free; } - total_written = qsfp_write(ppd, target, *ppos, buff, count); if (total_written < 0) { ret = total_written; @@ -733,8 +718,6 @@ static ssize_t __qsfp_debugfs_write(struct file *file, const char __user *buf, _free: kfree(buff); - _return: - rcu_read_unlock(); return ret; } @@ -761,7 +744,6 @@ static ssize_t __qsfp_debugfs_read(struct file *file, char __user *buf, int ret; int total_read; - rcu_read_lock(); if (*ppos + count > QSFP_PAGESIZE * 4) { /* base page + page00-page03 */ ret = -EINVAL; goto _return; @@ -794,7 +776,6 @@ static ssize_t __qsfp_debugfs_read(struct file *file, char __user *buf, _free: kfree(buff); _return: - rcu_read_unlock(); return ret; } @@ -1010,7 +991,6 @@ void hfi1_dbg_ibdev_exit(struct hfi1_ibdev *ibd) debugfs_remove_recursive(ibd->hfi1_ibdev_dbg); out: ibd->hfi1_ibdev_dbg = NULL; - synchronize_rcu(); } /* @@ -1035,9 +1015,7 @@ static const char * const hfi1_statnames[] = { }; static void *_driver_stats_names_seq_start(struct seq_file *s, loff_t *pos) -__acquires(RCU) { - rcu_read_lock(); if (*pos >= ARRAY_SIZE(hfi1_statnames)) return NULL; return pos; @@ -1055,9 +1033,7 @@ static void *_driver_stats_names_seq_next( } static void _driver_stats_names_seq_stop(struct seq_file *s, void *v) -__releases(RCU) { - rcu_read_unlock(); } static int _driver_stats_names_seq_show(struct seq_file *s, void *v) @@ -1073,9 +1049,7 @@ DEBUGFS_SEQ_FILE_OPEN(driver_stats_names) DEBUGFS_FILE_OPS(driver_stats_names); static void *_driver_stats_seq_start(struct seq_file *s, loff_t *pos) -__acquires(RCU) { - rcu_read_lock(); if (*pos >= ARRAY_SIZE(hfi1_statnames)) return NULL; return pos; @@ -1090,9 +1064,7 @@ static void *_driver_stats_seq_next(struct seq_file *s, void *v, loff_t *pos) } static void _driver_stats_seq_stop(struct seq_file *s, void *v) -__releases(RCU) { - rcu_read_unlock(); } static u64 hfi1_sps_ints(void) diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index a021e660d482..325ec211370f 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -605,6 +605,7 @@ struct hfi1_pportdata { struct work_struct freeze_work; struct work_struct link_downgrade_work; struct work_struct link_bounce_work; + struct delayed_work start_link_work; /* host link state variables */ struct mutex hls_lock; u32 host_link_state; @@ -659,6 +660,7 @@ struct hfi1_pportdata { u8 linkinit_reason; u8 local_tx_rate; /* rate given to 8051 firmware */ u8 last_pstate; /* info only */ + u8 qsfp_retry_count; /* placeholders for IB MAD packet settings */ u8 overrun_threshold; @@ -1804,7 +1806,7 @@ extern unsigned int hfi1_max_mtu; extern unsigned int hfi1_cu; extern unsigned int user_credit_return_threshold; extern int num_user_contexts; -extern unsigned n_krcvqs; +extern unsigned long n_krcvqs; extern uint krcvqs[]; extern int krcvqsset; extern uint kdeth_qp; diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c index b7935451093c..384b43d2fd49 100644 --- a/drivers/infiniband/hw/hfi1/init.c +++ b/drivers/infiniband/hw/hfi1/init.c @@ -94,7 +94,7 @@ module_param_array(krcvqs, uint, &krcvqsset, S_IRUGO); MODULE_PARM_DESC(krcvqs, "Array of the number of non-control kernel receive queues by VL"); /* computed based on above array */ -unsigned n_krcvqs; +unsigned long n_krcvqs; static unsigned hfi1_rcvarr_split = 25; module_param_named(rcvarr_split, hfi1_rcvarr_split, uint, S_IRUGO); @@ -500,6 +500,7 @@ void hfi1_init_pportdata(struct pci_dev *pdev, struct hfi1_pportdata *ppd, INIT_WORK(&ppd->link_downgrade_work, handle_link_downgrade); INIT_WORK(&ppd->sma_message_work, handle_sma_message); INIT_WORK(&ppd->link_bounce_work, handle_link_bounce); + INIT_DELAYED_WORK(&ppd->start_link_work, handle_start_link); INIT_WORK(&ppd->linkstate_active_work, receive_interrupt_work); INIT_WORK(&ppd->qsfp_info.qsfp_work, qsfp_event); diff --git a/drivers/infiniband/hw/hfi1/mad.c b/drivers/infiniband/hw/hfi1/mad.c index 39e42c373a01..7ffc14f21523 100644 --- a/drivers/infiniband/hw/hfi1/mad.c +++ b/drivers/infiniband/hw/hfi1/mad.c @@ -2604,7 +2604,7 @@ static int pma_get_opa_datacounters(struct opa_pma_mad *pmp, u8 lq, num_vls; u8 res_lli, res_ler; u64 port_mask; - unsigned long port_num; + u8 port_num; unsigned long vl; u32 vl_select_mask; int vfi; @@ -2638,9 +2638,9 @@ static int pma_get_opa_datacounters(struct opa_pma_mad *pmp, */ port_mask = be64_to_cpu(req->port_select_mask[3]); port_num = find_first_bit((unsigned long *)&port_mask, - sizeof(port_mask)); + sizeof(port_mask) * 8); - if ((u8)port_num != port) { + if (port_num != port) { pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; return reply((struct ib_mad_hdr *)pmp); } @@ -2842,7 +2842,7 @@ static int pma_get_opa_porterrors(struct opa_pma_mad *pmp, */ port_mask = be64_to_cpu(req->port_select_mask[3]); port_num = find_first_bit((unsigned long *)&port_mask, - sizeof(port_mask)); + sizeof(port_mask) * 8); if (port_num != port) { pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; @@ -3015,7 +3015,7 @@ static int pma_get_opa_errorinfo(struct opa_pma_mad *pmp, */ port_mask = be64_to_cpu(req->port_select_mask[3]); port_num = find_first_bit((unsigned long *)&port_mask, - sizeof(port_mask)); + sizeof(port_mask) * 8); if (port_num != port) { pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; @@ -3252,7 +3252,7 @@ static int pma_set_opa_errorinfo(struct opa_pma_mad *pmp, */ port_mask = be64_to_cpu(req->port_select_mask[3]); port_num = find_first_bit((unsigned long *)&port_mask, - sizeof(port_mask)); + sizeof(port_mask) * 8); if (port_num != port) { pmp->mad_hdr.status |= IB_SMP_INVALID_FIELD; diff --git a/drivers/infiniband/hw/hfi1/pio_copy.c b/drivers/infiniband/hw/hfi1/pio_copy.c index 8c25e1b58849..3a1ef3056282 100644 --- a/drivers/infiniband/hw/hfi1/pio_copy.c +++ b/drivers/infiniband/hw/hfi1/pio_copy.c @@ -771,6 +771,9 @@ void seg_pio_copy_mid(struct pio_buf *pbuf, const void *from, size_t nbytes) read_extra_bytes(pbuf, from, to_fill); from += to_fill; nbytes -= to_fill; + /* may not be enough valid bytes left to align */ + if (extra > nbytes) + extra = nbytes; /* ...now write carry */ dest = pbuf->start + (pbuf->qw_written * sizeof(u64)); @@ -798,6 +801,15 @@ void seg_pio_copy_mid(struct pio_buf *pbuf, const void *from, size_t nbytes) read_low_bytes(pbuf, from, extra); from += extra; nbytes -= extra; + /* + * If no bytes are left, return early - we are done. + * NOTE: This short-circuit is *required* because + * "extra" may have been reduced in size and "from" + * is not aligned, as required when leaving this + * if block. + */ + if (nbytes == 0) + return; } /* at this point, from is QW aligned */ diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c index 0ecf27903dc2..1694037d1eee 100644 --- a/drivers/infiniband/hw/hfi1/user_sdma.c +++ b/drivers/infiniband/hw/hfi1/user_sdma.c @@ -114,6 +114,8 @@ MODULE_PARM_DESC(sdma_comp_size, "Size of User SDMA completion ring. Default: 12 #define KDETH_HCRC_LOWER_SHIFT 24 #define KDETH_HCRC_LOWER_MASK 0xff +#define AHG_KDETH_INTR_SHIFT 12 + #define PBC2LRH(x) ((((x) & 0xfff) << 2) - 4) #define LRH2PBC(x) ((((x) >> 2) + 1) & 0xfff) @@ -1480,7 +1482,8 @@ static int set_txreq_header_ahg(struct user_sdma_request *req, /* Clear KDETH.SH on last packet */ if (unlikely(tx->flags & TXREQ_FLAGS_REQ_LAST_PKT)) { val |= cpu_to_le16(KDETH_GET(hdr->kdeth.ver_tid_offset, - INTR) >> 16); + INTR) << + AHG_KDETH_INTR_SHIFT); val &= cpu_to_le16(~(1U << 13)); AHG_HEADER_SET(req->ahg, diff, 7, 16, 14, val); } else { diff --git a/drivers/infiniband/hw/i40iw/i40iw_hw.c b/drivers/infiniband/hw/i40iw/i40iw_hw.c index 3ee0cad96bc6..0c92a40b3e86 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_hw.c +++ b/drivers/infiniband/hw/i40iw/i40iw_hw.c @@ -265,6 +265,7 @@ void i40iw_next_iw_state(struct i40iw_qp *iwqp, info.dont_send_fin = false; if (iwqp->sc_qp.term_flags && (state == I40IW_QP_STATE_ERROR)) info.reset_tcp_conn = true; + iwqp->hw_iwarp_state = state; i40iw_hw_modify_qp(iwqp->iwdev, iwqp, &info, 0); } diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c index 0cbbe4038298..445e230d5ff8 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_main.c +++ b/drivers/infiniband/hw/i40iw/i40iw_main.c @@ -100,7 +100,7 @@ static struct notifier_block i40iw_net_notifier = { .notifier_call = i40iw_net_event }; -static int i40iw_notifiers_registered; +static atomic_t i40iw_notifiers_registered; /** * i40iw_find_i40e_handler - find a handler given a client info @@ -1342,12 +1342,11 @@ exit: */ static void i40iw_register_notifiers(void) { - if (!i40iw_notifiers_registered) { + if (atomic_inc_return(&i40iw_notifiers_registered) == 1) { register_inetaddr_notifier(&i40iw_inetaddr_notifier); register_inet6addr_notifier(&i40iw_inetaddr6_notifier); register_netevent_notifier(&i40iw_net_notifier); } - i40iw_notifiers_registered++; } /** @@ -1429,8 +1428,7 @@ static void i40iw_deinit_device(struct i40iw_device *iwdev, bool reset, bool del i40iw_del_macip_entry(iwdev, (u8)iwdev->mac_ip_table_idx); /* fallthrough */ case INET_NOTIFIER: - if (i40iw_notifiers_registered > 0) { - i40iw_notifiers_registered--; + if (!atomic_dec_return(&i40iw_notifiers_registered)) { unregister_netevent_notifier(&i40iw_net_notifier); unregister_inetaddr_notifier(&i40iw_inetaddr_notifier); unregister_inet6addr_notifier(&i40iw_inetaddr6_notifier); diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 006db6436e3b..5df63dacaaa3 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -687,12 +687,6 @@ repoll: is_error = (cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) == MLX4_CQE_OPCODE_ERROR; - if (unlikely((cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) == MLX4_OPCODE_NOP && - is_send)) { - pr_warn("Completion for NOP opcode detected!\n"); - return -EAGAIN; - } - /* Resize CQ in progress */ if (unlikely((cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) == MLX4_CQE_OPCODE_RESIZE)) { if (cq->resize_buf) { @@ -718,12 +712,6 @@ repoll: */ mqp = __mlx4_qp_lookup(to_mdev(cq->ibcq.device)->dev, be32_to_cpu(cqe->vlan_my_qpn)); - if (unlikely(!mqp)) { - pr_warn("CQ %06x with entry for unknown QPN %06x\n", - cq->mcq.cqn, be32_to_cpu(cqe->vlan_my_qpn) & MLX4_CQE_QPN_MASK); - return -EAGAIN; - } - *cur_qp = to_mibqp(mqp); } @@ -736,11 +724,6 @@ repoll: /* SRQ is also in the radix tree */ msrq = mlx4_srq_lookup(to_mdev(cq->ibcq.device)->dev, srq_num); - if (unlikely(!msrq)) { - pr_warn("CQ %06x with entry for unknown SRQN %06x\n", - cq->mcq.cqn, srq_num); - return -EAGAIN; - } } if (is_send) { @@ -891,7 +874,6 @@ int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc) struct mlx4_ib_qp *cur_qp = NULL; unsigned long flags; int npolled; - int err = 0; struct mlx4_ib_dev *mdev = to_mdev(cq->ibcq.device); spin_lock_irqsave(&cq->lock, flags); @@ -901,8 +883,7 @@ int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc) } for (npolled = 0; npolled < num_entries; ++npolled) { - err = mlx4_ib_poll_one(cq, &cur_qp, wc + npolled); - if (err) + if (mlx4_ib_poll_one(cq, &cur_qp, wc + npolled)) break; } @@ -911,10 +892,7 @@ int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc) out: spin_unlock_irqrestore(&cq->lock, flags); - if (err == 0 || err == -EAGAIN) - return npolled; - else - return err; + return npolled; } int mlx4_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags) diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index 35a9f718e669..5de9a65f53bc 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -553,12 +553,6 @@ repoll: * from the table. */ mqp = __mlx5_qp_lookup(dev->mdev, qpn); - if (unlikely(!mqp)) { - mlx5_ib_warn(dev, "CQE@CQ %06x for unknown QPN %6x\n", - cq->mcq.cqn, qpn); - return -EINVAL; - } - *cur_qp = to_mibqp(mqp); } @@ -619,13 +613,6 @@ repoll: read_lock(&dev->mdev->priv.mkey_table.lock); mmkey = __mlx5_mr_lookup(dev->mdev, mlx5_base_mkey(be32_to_cpu(sig_err_cqe->mkey))); - if (unlikely(!mmkey)) { - read_unlock(&dev->mdev->priv.mkey_table.lock); - mlx5_ib_warn(dev, "CQE@CQ %06x for unknown MR %6x\n", - cq->mcq.cqn, be32_to_cpu(sig_err_cqe->mkey)); - return -EINVAL; - } - mr = to_mibmr(mmkey); get_sig_err_item(sig_err_cqe, &mr->sig->err_item); mr->sig->sig_err_exists = true; @@ -676,7 +663,6 @@ int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc) unsigned long flags; int soft_polled = 0; int npolled; - int err = 0; spin_lock_irqsave(&cq->lock, flags); if (mdev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { @@ -688,8 +674,7 @@ int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc) soft_polled = poll_soft_wc(cq, num_entries, wc); for (npolled = 0; npolled < num_entries - soft_polled; npolled++) { - err = mlx5_poll_one(cq, &cur_qp, wc + soft_polled + npolled); - if (err) + if (mlx5_poll_one(cq, &cur_qp, wc + soft_polled + npolled)) break; } @@ -698,10 +683,7 @@ int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc) out: spin_unlock_irqrestore(&cq->lock, flags); - if (err == 0 || err == -EAGAIN) - return soft_polled + npolled; - else - return err; + return soft_polled + npolled; } int mlx5_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 8db6fdff092f..e4aecbf34131 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1844,6 +1844,7 @@ static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, int domain) { struct mlx5_ib_dev *dev = to_mdev(qp->device); + struct mlx5_ib_qp *mqp = to_mqp(qp); struct mlx5_ib_flow_handler *handler = NULL; struct mlx5_flow_destination *dst = NULL; struct mlx5_ib_flow_prio *ft_prio; @@ -1870,7 +1871,10 @@ static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, } dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR; - dst->tir_num = to_mqp(qp)->raw_packet_qp.rq.tirn; + if (mqp->flags & MLX5_IB_QP_RSS) + dst->tir_num = mqp->rss_qp.tirn; + else + dst->tir_num = mqp->raw_packet_qp.rq.tirn; if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) { diff --git a/drivers/infiniband/hw/mlx5/mem.c b/drivers/infiniband/hw/mlx5/mem.c index 40df2cca0609..996b54e366b0 100644 --- a/drivers/infiniband/hw/mlx5/mem.c +++ b/drivers/infiniband/hw/mlx5/mem.c @@ -71,7 +71,7 @@ void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr, int *count, int *shift, addr = addr >> page_shift; tmp = (unsigned long)addr; - m = find_first_bit(&tmp, sizeof(tmp)); + m = find_first_bit(&tmp, BITS_PER_LONG); skip = 1 << m; mask = skip - 1; i = 0; @@ -81,7 +81,7 @@ void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr, int *count, int *shift, for (k = 0; k < len; k++) { if (!(i & mask)) { tmp = (unsigned long)pfn; - m = min_t(unsigned long, m, find_first_bit(&tmp, sizeof(tmp))); + m = min_t(unsigned long, m, find_first_bit(&tmp, BITS_PER_LONG)); skip = 1 << m; mask = skip - 1; base = pfn; @@ -89,7 +89,7 @@ void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr, int *count, int *shift, } else { if (base + p != pfn) { tmp = (unsigned long)p; - m = find_first_bit(&tmp, sizeof(tmp)); + m = find_first_bit(&tmp, BITS_PER_LONG); skip = 1 << m; mask = skip - 1; base = pfn; diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index a59034aaa297..67cc7416fdff 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -402,6 +402,7 @@ enum mlx5_ib_qp_flags { /* QP uses 1 as its source QP number */ MLX5_IB_QP_SQPN_QP1 = 1 << 6, MLX5_IB_QP_CAP_SCATTER_FCS = 1 << 7, + MLX5_IB_QP_RSS = 1 << 8, }; struct mlx5_umr_wr { diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index f3c943f6458e..9529b464fbdc 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -1457,6 +1457,7 @@ create_tir: kvfree(in); /* qpn is reserved for that QP */ qp->trans_qp.base.mqp.qpn = 0; + qp->flags |= MLX5_IB_QP_RSS; return 0; err: @@ -3656,12 +3657,8 @@ static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, struct ib_send_wr *wr, unsigned *idx, int *size, int nreq) { - int err = 0; - - if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) { - err = -ENOMEM; - return err; - } + if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) + return -ENOMEM; *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1); *seg = mlx5_get_send_wqe(qp, *idx); @@ -3677,7 +3674,7 @@ static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, *seg += sizeof(**ctrl); *size = sizeof(**ctrl) / 16; - return err; + return 0; } static void finish_wqe(struct mlx5_ib_qp *qp, @@ -3756,7 +3753,7 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, num_sge = wr->num_sge; if (unlikely(num_sge > qp->sq.max_gs)) { mlx5_ib_warn(dev, "\n"); - err = -ENOMEM; + err = -EINVAL; *bad_wr = wr; goto out; } diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index 4f7d9b48df64..9dbfcc0ab577 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -478,6 +478,7 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_ah *address, u32 qpn); void ipoib_reap_ah(struct work_struct *work); +struct ipoib_path *__path_find(struct net_device *dev, void *gid); void ipoib_mark_paths_invalid(struct net_device *dev); void ipoib_flush_paths(struct net_device *dev); int ipoib_check_sm_sendonly_fullmember_support(struct ipoib_dev_priv *priv); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 951d9abcca8b..4ad297d3de89 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -1318,6 +1318,8 @@ void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx) } } +#define QPN_AND_OPTIONS_OFFSET 4 + static void ipoib_cm_tx_start(struct work_struct *work) { struct ipoib_dev_priv *priv = container_of(work, struct ipoib_dev_priv, @@ -1326,6 +1328,7 @@ static void ipoib_cm_tx_start(struct work_struct *work) struct ipoib_neigh *neigh; struct ipoib_cm_tx *p; unsigned long flags; + struct ipoib_path *path; int ret; struct ib_sa_path_rec pathrec; @@ -1338,7 +1341,19 @@ static void ipoib_cm_tx_start(struct work_struct *work) p = list_entry(priv->cm.start_list.next, typeof(*p), list); list_del_init(&p->list); neigh = p->neigh; + qpn = IPOIB_QPN(neigh->daddr); + /* + * As long as the search is with these 2 locks, + * path existence indicates its validity. + */ + path = __path_find(dev, neigh->daddr + QPN_AND_OPTIONS_OFFSET); + if (!path) { + pr_info("%s ignore not valid path %pI6\n", + __func__, + neigh->daddr + QPN_AND_OPTIONS_OFFSET); + goto free_neigh; + } memcpy(&pathrec, &p->path->pathrec, sizeof pathrec); spin_unlock_irqrestore(&priv->lock, flags); @@ -1350,6 +1365,7 @@ static void ipoib_cm_tx_start(struct work_struct *work) spin_lock_irqsave(&priv->lock, flags); if (ret) { +free_neigh: neigh = p->neigh; if (neigh) { neigh->cm = NULL; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 74bcaa064226..cc1c1b062ea5 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -485,7 +485,7 @@ int ipoib_set_mode(struct net_device *dev, const char *buf) return -EINVAL; } -static struct ipoib_path *__path_find(struct net_device *dev, void *gid) +struct ipoib_path *__path_find(struct net_device *dev, void *gid) { struct ipoib_dev_priv *priv = netdev_priv(dev); struct rb_node *n = priv->path_tree.rb_node; diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 7914c14478cd..cae9bbcc27e7 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -403,6 +403,7 @@ isert_init_conn(struct isert_conn *isert_conn) INIT_LIST_HEAD(&isert_conn->node); init_completion(&isert_conn->login_comp); init_completion(&isert_conn->login_req_comp); + init_waitqueue_head(&isert_conn->rem_wait); kref_init(&isert_conn->kref); mutex_init(&isert_conn->mutex); INIT_WORK(&isert_conn->release_work, isert_release_work); @@ -578,7 +579,8 @@ isert_connect_release(struct isert_conn *isert_conn) BUG_ON(!device); isert_free_rx_descriptors(isert_conn); - if (isert_conn->cm_id) + if (isert_conn->cm_id && + !isert_conn->dev_removed) rdma_destroy_id(isert_conn->cm_id); if (isert_conn->qp) { @@ -593,7 +595,10 @@ isert_connect_release(struct isert_conn *isert_conn) isert_device_put(device); - kfree(isert_conn); + if (isert_conn->dev_removed) + wake_up_interruptible(&isert_conn->rem_wait); + else + kfree(isert_conn); } static void @@ -753,6 +758,7 @@ static int isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) { struct isert_np *isert_np = cma_id->context; + struct isert_conn *isert_conn; int ret = 0; isert_info("%s (%d): status %d id %p np %p\n", @@ -773,10 +779,21 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event) break; case RDMA_CM_EVENT_ADDR_CHANGE: /* FALLTHRU */ case RDMA_CM_EVENT_DISCONNECTED: /* FALLTHRU */ - case RDMA_CM_EVENT_DEVICE_REMOVAL: /* FALLTHRU */ case RDMA_CM_EVENT_TIMEWAIT_EXIT: /* FALLTHRU */ ret = isert_disconnected_handler(cma_id, event->event); break; + case RDMA_CM_EVENT_DEVICE_REMOVAL: + isert_conn = cma_id->qp->qp_context; + isert_conn->dev_removed = true; + isert_disconnected_handler(cma_id, event->event); + wait_event_interruptible(isert_conn->rem_wait, + isert_conn->state == ISER_CONN_DOWN); + kfree(isert_conn); + /* + * return non-zero from the callback to destroy + * the rdma cm id + */ + return 1; case RDMA_CM_EVENT_REJECTED: /* FALLTHRU */ case RDMA_CM_EVENT_UNREACHABLE: /* FALLTHRU */ case RDMA_CM_EVENT_CONNECT_ERROR: diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index fc791efe3a10..c02ada57d7f5 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -158,6 +158,8 @@ struct isert_conn { struct work_struct release_work; bool logout_posted; bool snd_w_inv; + wait_queue_head_t rem_wait; + bool dev_removed; }; #define ISERT_MAX_CQ 64 diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig index 97c372908e78..7817d40d81e7 100644 --- a/drivers/mailbox/Kconfig +++ b/drivers/mailbox/Kconfig @@ -127,6 +127,7 @@ config XGENE_SLIMPRO_MBOX config BCM_PDC_MBOX tristate "Broadcom PDC Mailbox" depends on ARM64 || COMPILE_TEST + depends on HAS_DMA default ARCH_BCM_IPROC help Mailbox implementation for the Broadcom PDC ring manager, diff --git a/drivers/mailbox/bcm-pdc-mailbox.c b/drivers/mailbox/bcm-pdc-mailbox.c index cbe0c1ee4ba9..c19dd820ea9b 100644 --- a/drivers/mailbox/bcm-pdc-mailbox.c +++ b/drivers/mailbox/bcm-pdc-mailbox.c @@ -469,7 +469,7 @@ static const struct file_operations pdc_debugfs_stats = { * this directory for a SPU. * @pdcs: PDC state structure */ -void pdc_setup_debugfs(struct pdc_state *pdcs) +static void pdc_setup_debugfs(struct pdc_state *pdcs) { char spu_stats_name[16]; @@ -485,7 +485,7 @@ void pdc_setup_debugfs(struct pdc_state *pdcs) &pdc_debugfs_stats); } -void pdc_free_debugfs(void) +static void pdc_free_debugfs(void) { if (debugfs_dir && simple_empty(debugfs_dir)) { debugfs_remove_recursive(debugfs_dir); @@ -1191,10 +1191,11 @@ static void pdc_shutdown(struct mbox_chan *chan) { struct pdc_state *pdcs = chan->con_priv; - if (pdcs) - dev_dbg(&pdcs->pdev->dev, - "Shutdown mailbox channel for PDC %u", pdcs->pdc_idx); + if (!pdcs) + return; + dev_dbg(&pdcs->pdev->dev, + "Shutdown mailbox channel for PDC %u", pdcs->pdc_idx); pdc_ring_free(pdcs); } diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index 6fff794e0c72..13041ee37ad6 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -2183,19 +2183,29 @@ location_show(struct mddev *mddev, char *page) static ssize_t location_store(struct mddev *mddev, const char *buf, size_t len) { + int rv; + rv = mddev_lock(mddev); + if (rv) + return rv; if (mddev->pers) { - if (!mddev->pers->quiesce) - return -EBUSY; - if (mddev->recovery || mddev->sync_thread) - return -EBUSY; + if (!mddev->pers->quiesce) { + rv = -EBUSY; + goto out; + } + if (mddev->recovery || mddev->sync_thread) { + rv = -EBUSY; + goto out; + } } if (mddev->bitmap || mddev->bitmap_info.file || mddev->bitmap_info.offset) { /* bitmap already configured. Only option is to clear it */ - if (strncmp(buf, "none", 4) != 0) - return -EBUSY; + if (strncmp(buf, "none", 4) != 0) { + rv = -EBUSY; + goto out; + } if (mddev->pers) { mddev->pers->quiesce(mddev, 1); bitmap_destroy(mddev); @@ -2214,21 +2224,25 @@ location_store(struct mddev *mddev, const char *buf, size_t len) /* nothing to be done */; else if (strncmp(buf, "file:", 5) == 0) { /* Not supported yet */ - return -EINVAL; + rv = -EINVAL; + goto out; } else { - int rv; if (buf[0] == '+') rv = kstrtoll(buf+1, 10, &offset); else rv = kstrtoll(buf, 10, &offset); if (rv) - return rv; - if (offset == 0) - return -EINVAL; + goto out; + if (offset == 0) { + rv = -EINVAL; + goto out; + } if (mddev->bitmap_info.external == 0 && mddev->major_version == 0 && - offset != mddev->bitmap_info.default_offset) - return -EINVAL; + offset != mddev->bitmap_info.default_offset) { + rv = -EINVAL; + goto out; + } mddev->bitmap_info.offset = offset; if (mddev->pers) { struct bitmap *bitmap; @@ -2245,7 +2259,7 @@ location_store(struct mddev *mddev, const char *buf, size_t len) mddev->pers->quiesce(mddev, 0); if (rv) { bitmap_destroy(mddev); - return rv; + goto out; } } } @@ -2257,6 +2271,11 @@ location_store(struct mddev *mddev, const char *buf, size_t len) set_bit(MD_CHANGE_DEVS, &mddev->flags); md_wakeup_thread(mddev->thread); } + rv = 0; +out: + mddev_unlock(mddev); + if (rv) + return rv; return len; } diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index 6571c81465e1..8625040bae92 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -1879,7 +1879,7 @@ static int __init dm_bufio_init(void) __cache_size_refresh(); mutex_unlock(&dm_bufio_clients_lock); - dm_bufio_wq = create_singlethread_workqueue("dm_bufio_cache"); + dm_bufio_wq = alloc_workqueue("dm_bufio_cache", WQ_MEM_RECLAIM, 0); if (!dm_bufio_wq) return -ENOMEM; diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index eedba67b0e3e..874295757caa 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1453,7 +1453,7 @@ static int crypt_alloc_tfms(struct crypt_config *cc, char *ciphermode) unsigned i; int err; - cc->tfms = kmalloc(cc->tfms_count * sizeof(struct crypto_skcipher *), + cc->tfms = kzalloc(cc->tfms_count * sizeof(struct crypto_skcipher *), GFP_KERNEL); if (!cc->tfms) return -ENOMEM; @@ -1924,6 +1924,13 @@ static int crypt_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_REMAPPED; } + /* + * Check if bio is too large, split as needed. + */ + if (unlikely(bio->bi_iter.bi_size > (BIO_MAX_PAGES << PAGE_SHIFT)) && + bio_data_dir(bio) == WRITE) + dm_accept_partial_bio(bio, ((BIO_MAX_PAGES << PAGE_SHIFT) >> SECTOR_SHIFT)); + io = dm_per_bio_data(bio, cc->per_bio_data_size); crypt_io_init(io, cc, bio, dm_target_offset(ti, bio->bi_iter.bi_sector)); io->ctx.req = (struct skcipher_request *)(io + 1); diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index 4ab68033f9d1..49e4d8d4558f 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -259,12 +259,12 @@ static int log_one_block(struct log_writes_c *lc, goto out; sector++; - bio = bio_alloc(GFP_KERNEL, block->vec_cnt); + atomic_inc(&lc->io_blocks); + bio = bio_alloc(GFP_KERNEL, min(block->vec_cnt, BIO_MAX_PAGES)); if (!bio) { DMERR("Couldn't alloc log bio"); goto error; } - atomic_inc(&lc->io_blocks); bio->bi_iter.bi_size = 0; bio->bi_iter.bi_sector = sector; bio->bi_bdev = lc->logdev->bdev; @@ -282,7 +282,7 @@ static int log_one_block(struct log_writes_c *lc, if (ret != block->vecs[i].bv_len) { atomic_inc(&lc->io_blocks); submit_bio(bio); - bio = bio_alloc(GFP_KERNEL, block->vec_cnt - i); + bio = bio_alloc(GFP_KERNEL, min(block->vec_cnt - i, BIO_MAX_PAGES)); if (!bio) { DMERR("Couldn't alloc log bio"); goto error; @@ -459,9 +459,9 @@ static int log_writes_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto bad; } - ret = -EINVAL; lc->log_kthread = kthread_run(log_writes_kthread, lc, "log-write"); - if (!lc->log_kthread) { + if (IS_ERR(lc->log_kthread)) { + ret = PTR_ERR(lc->log_kthread); ti->error = "Couldn't alloc kthread"; dm_put_device(ti, lc->dev); dm_put_device(ti, lc->logdev); diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index 41573f1f626f..34a840d9df76 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -834,8 +834,10 @@ static int join(struct mddev *mddev, int nodes) goto err; } cinfo->ack_lockres = lockres_init(mddev, "ack", ack_bast, 0); - if (!cinfo->ack_lockres) + if (!cinfo->ack_lockres) { + ret = -ENOMEM; goto err; + } /* get sync CR lock on ACK. */ if (dlm_lock_sync(cinfo->ack_lockres, DLM_LOCK_CR)) pr_err("md-cluster: failed to get a sync CR lock on ACK!(%d)\n", @@ -849,8 +851,10 @@ static int join(struct mddev *mddev, int nodes) pr_info("md-cluster: Joined cluster %s slot %d\n", str, cinfo->slot_number); snprintf(str, 64, "bitmap%04d", cinfo->slot_number - 1); cinfo->bitmap_lockres = lockres_init(mddev, str, NULL, 1); - if (!cinfo->bitmap_lockres) + if (!cinfo->bitmap_lockres) { + ret = -ENOMEM; goto err; + } if (dlm_lock_sync(cinfo->bitmap_lockres, DLM_LOCK_PW)) { pr_err("Failed to get bitmap lock\n"); ret = -EINVAL; @@ -858,8 +862,10 @@ static int join(struct mddev *mddev, int nodes) } cinfo->resync_lockres = lockres_init(mddev, "resync", NULL, 0); - if (!cinfo->resync_lockres) + if (!cinfo->resync_lockres) { + ret = -ENOMEM; goto err; + } return 0; err: diff --git a/drivers/md/md.c b/drivers/md/md.c index d646f6e444f0..67642bacd597 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1604,11 +1604,8 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev) mddev->new_chunk_sectors = mddev->chunk_sectors; } - if (le32_to_cpu(sb->feature_map) & MD_FEATURE_JOURNAL) { + if (le32_to_cpu(sb->feature_map) & MD_FEATURE_JOURNAL) set_bit(MD_HAS_JOURNAL, &mddev->flags); - if (mddev->recovery_cp == MaxSector) - set_bit(MD_JOURNAL_CLEAN, &mddev->flags); - } } else if (mddev->pers == NULL) { /* Insist of good event counter while assembling, except for * spares (which don't need an event count) */ @@ -5851,6 +5848,9 @@ static int get_array_info(struct mddev *mddev, void __user *arg) working++; if (test_bit(In_sync, &rdev->flags)) insync++; + else if (test_bit(Journal, &rdev->flags)) + /* TODO: add journal count to md_u.h */ + ; else spare++; } @@ -7862,6 +7862,7 @@ void md_do_sync(struct md_thread *thread) */ do { + int mddev2_minor = -1; mddev->curr_resync = 2; try_again: @@ -7891,10 +7892,14 @@ void md_do_sync(struct md_thread *thread) prepare_to_wait(&resync_wait, &wq, TASK_INTERRUPTIBLE); if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery) && mddev2->curr_resync >= mddev->curr_resync) { - printk(KERN_INFO "md: delaying %s of %s" - " until %s has finished (they" - " share one or more physical units)\n", - desc, mdname(mddev), mdname(mddev2)); + if (mddev2_minor != mddev2->md_minor) { + mddev2_minor = mddev2->md_minor; + printk(KERN_INFO "md: delaying %s of %s" + " until %s has finished (they" + " share one or more physical units)\n", + desc, mdname(mddev), + mdname(mddev2)); + } mddev_put(mddev2); if (signal_pending(current)) flush_signals(current); @@ -8275,16 +8280,13 @@ no_add: static void md_start_sync(struct work_struct *ws) { struct mddev *mddev = container_of(ws, struct mddev, del_work); - int ret = 0; mddev->sync_thread = md_register_thread(md_do_sync, mddev, "resync"); if (!mddev->sync_thread) { - if (!(mddev_is_clustered(mddev) && ret == -EAGAIN)) - printk(KERN_ERR "%s: could not start resync" - " thread...\n", - mdname(mddev)); + printk(KERN_ERR "%s: could not start resync thread...\n", + mdname(mddev)); /* leave the spares where they are, it shouldn't hurt */ clear_bit(MD_RECOVERY_SYNC, &mddev->recovery); clear_bit(MD_RECOVERY_RESHAPE, &mddev->recovery); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 0e4efcd10795..be1a9fca3b2d 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1064,6 +1064,8 @@ static void __make_request(struct mddev *mddev, struct bio *bio) int max_sectors; int sectors; + md_write_start(mddev, bio); + /* * Register the new request and wait if the reconstruction * thread has put up a bar for new requests. @@ -1445,8 +1447,6 @@ static void raid10_make_request(struct mddev *mddev, struct bio *bio) return; } - md_write_start(mddev, bio); - do { /* @@ -2465,20 +2465,21 @@ static int narrow_write_error(struct r10bio *r10_bio, int i) while (sect_to_write) { struct bio *wbio; + sector_t wsector; if (sectors > sect_to_write) sectors = sect_to_write; /* Write at 'sector' for 'sectors' */ wbio = bio_clone_mddev(bio, GFP_NOIO, mddev); bio_trim(wbio, sector - bio->bi_iter.bi_sector, sectors); - wbio->bi_iter.bi_sector = (r10_bio->devs[i].addr+ - choose_data_offset(r10_bio, rdev) + - (sector - r10_bio->sector)); + wsector = r10_bio->devs[i].addr + (sector - r10_bio->sector); + wbio->bi_iter.bi_sector = wsector + + choose_data_offset(r10_bio, rdev); wbio->bi_bdev = rdev->bdev; bio_set_op_attrs(wbio, REQ_OP_WRITE, 0); if (submit_bio_wait(wbio) < 0) /* Failure! */ - ok = rdev_set_badblocks(rdev, sector, + ok = rdev_set_badblocks(rdev, wsector, sectors, 0) && ok; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 8912407a4dd0..da583bb43c84 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -659,6 +659,7 @@ raid5_get_active_stripe(struct r5conf *conf, sector_t sector, { struct stripe_head *sh; int hash = stripe_hash_locks_hash(sector); + int inc_empty_inactive_list_flag; pr_debug("get_stripe, sector %llu\n", (unsigned long long)sector); @@ -703,7 +704,12 @@ raid5_get_active_stripe(struct r5conf *conf, sector_t sector, atomic_inc(&conf->active_stripes); BUG_ON(list_empty(&sh->lru) && !test_bit(STRIPE_EXPANDING, &sh->state)); + inc_empty_inactive_list_flag = 0; + if (!list_empty(conf->inactive_list + hash)) + inc_empty_inactive_list_flag = 1; list_del_init(&sh->lru); + if (list_empty(conf->inactive_list + hash) && inc_empty_inactive_list_flag) + atomic_inc(&conf->empty_inactive_list_nr); if (sh->group) { sh->group->stripes_cnt--; sh->group = NULL; @@ -762,6 +768,7 @@ static void stripe_add_to_batch_list(struct r5conf *conf, struct stripe_head *sh sector_t head_sector, tmp_sec; int hash; int dd_idx; + int inc_empty_inactive_list_flag; /* Don't cross chunks, so stripe pd_idx/qd_idx is the same */ tmp_sec = sh->sector; @@ -779,7 +786,12 @@ static void stripe_add_to_batch_list(struct r5conf *conf, struct stripe_head *sh atomic_inc(&conf->active_stripes); BUG_ON(list_empty(&head->lru) && !test_bit(STRIPE_EXPANDING, &head->state)); + inc_empty_inactive_list_flag = 0; + if (!list_empty(conf->inactive_list + hash)) + inc_empty_inactive_list_flag = 1; list_del_init(&head->lru); + if (list_empty(conf->inactive_list + hash) && inc_empty_inactive_list_flag) + atomic_inc(&conf->empty_inactive_list_nr); if (head->group) { head->group->stripes_cnt--; head->group = NULL; @@ -993,7 +1005,6 @@ again: set_bit(STRIPE_IO_STARTED, &sh->state); - bio_reset(bi); bi->bi_bdev = rdev->bdev; bio_set_op_attrs(bi, op, op_flags); bi->bi_end_io = op_is_write(op) @@ -1045,7 +1056,6 @@ again: set_bit(STRIPE_IO_STARTED, &sh->state); - bio_reset(rbi); rbi->bi_bdev = rrdev->bdev; bio_set_op_attrs(rbi, op, op_flags); BUG_ON(!op_is_write(op)); @@ -1978,9 +1988,11 @@ static void raid_run_ops(struct stripe_head *sh, unsigned long ops_request) put_cpu(); } -static struct stripe_head *alloc_stripe(struct kmem_cache *sc, gfp_t gfp) +static struct stripe_head *alloc_stripe(struct kmem_cache *sc, gfp_t gfp, + int disks) { struct stripe_head *sh; + int i; sh = kmem_cache_zalloc(sc, gfp); if (sh) { @@ -1989,6 +2001,17 @@ static struct stripe_head *alloc_stripe(struct kmem_cache *sc, gfp_t gfp) INIT_LIST_HEAD(&sh->batch_list); INIT_LIST_HEAD(&sh->lru); atomic_set(&sh->count, 1); + for (i = 0; i < disks; i++) { + struct r5dev *dev = &sh->dev[i]; + + bio_init(&dev->req); + dev->req.bi_io_vec = &dev->vec; + dev->req.bi_max_vecs = 1; + + bio_init(&dev->rreq); + dev->rreq.bi_io_vec = &dev->rvec; + dev->rreq.bi_max_vecs = 1; + } } return sh; } @@ -1996,7 +2019,7 @@ static int grow_one_stripe(struct r5conf *conf, gfp_t gfp) { struct stripe_head *sh; - sh = alloc_stripe(conf->slab_cache, gfp); + sh = alloc_stripe(conf->slab_cache, gfp, conf->pool_size); if (!sh) return 0; @@ -2167,7 +2190,7 @@ static int resize_stripes(struct r5conf *conf, int newsize) mutex_lock(&conf->cache_size_mutex); for (i = conf->max_nr_stripes; i; i--) { - nsh = alloc_stripe(sc, GFP_KERNEL); + nsh = alloc_stripe(sc, GFP_KERNEL, newsize); if (!nsh) break; @@ -2299,6 +2322,7 @@ static void raid5_end_read_request(struct bio * bi) (unsigned long long)sh->sector, i, atomic_read(&sh->count), bi->bi_error); if (i == disks) { + bio_reset(bi); BUG(); return; } @@ -2402,6 +2426,7 @@ static void raid5_end_read_request(struct bio * bi) clear_bit(R5_LOCKED, &sh->dev[i].flags); set_bit(STRIPE_HANDLE, &sh->state); raid5_release_stripe(sh); + bio_reset(bi); } static void raid5_end_write_request(struct bio *bi) @@ -2436,6 +2461,7 @@ static void raid5_end_write_request(struct bio *bi) (unsigned long long)sh->sector, i, atomic_read(&sh->count), bi->bi_error); if (i == disks) { + bio_reset(bi); BUG(); return; } @@ -2479,22 +2505,13 @@ static void raid5_end_write_request(struct bio *bi) if (sh->batch_head && sh != sh->batch_head) raid5_release_stripe(sh->batch_head); + bio_reset(bi); } static void raid5_build_block(struct stripe_head *sh, int i, int previous) { struct r5dev *dev = &sh->dev[i]; - bio_init(&dev->req); - dev->req.bi_io_vec = &dev->vec; - dev->req.bi_max_vecs = 1; - dev->req.bi_private = sh; - - bio_init(&dev->rreq); - dev->rreq.bi_io_vec = &dev->rvec; - dev->rreq.bi_max_vecs = 1; - dev->rreq.bi_private = sh; - dev->flags = 0; dev->sector = raid5_compute_blocknr(sh, i, previous); } @@ -4628,7 +4645,9 @@ finish: } if (!bio_list_empty(&s.return_bi)) { - if (test_bit(MD_CHANGE_PENDING, &conf->mddev->flags)) { + if (test_bit(MD_CHANGE_PENDING, &conf->mddev->flags) && + (s.failed <= conf->max_degraded || + conf->mddev->external == 0)) { spin_lock_irq(&conf->device_lock); bio_list_merge(&conf->return_bi, &s.return_bi); spin_unlock_irq(&conf->device_lock); @@ -6826,11 +6845,14 @@ static int raid5_run(struct mddev *mddev) if (IS_ERR(conf)) return PTR_ERR(conf); - if (test_bit(MD_HAS_JOURNAL, &mddev->flags) && !journal_dev) { - printk(KERN_ERR "md/raid:%s: journal disk is missing, force array readonly\n", - mdname(mddev)); - mddev->ro = 1; - set_disk_ro(mddev->gendisk, 1); + if (test_bit(MD_HAS_JOURNAL, &mddev->flags)) { + if (!journal_dev) { + pr_err("md/raid:%s: journal disk is missing, force array readonly\n", + mdname(mddev)); + mddev->ro = 1; + set_disk_ro(mddev->gendisk, 1); + } else if (mddev->recovery_cp == MaxSector) + set_bit(MD_JOURNAL_CLEAN, &mddev->flags); } conf->min_offset_diff = min_offset_diff; diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index 869c83fb3c5d..f00f3e742265 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -2185,7 +2185,7 @@ static int gpmc_probe_dt(struct platform_device *pdev) return 0; } -static int gpmc_probe_dt_children(struct platform_device *pdev) +static void gpmc_probe_dt_children(struct platform_device *pdev) { int ret; struct device_node *child; @@ -2200,11 +2200,11 @@ static int gpmc_probe_dt_children(struct platform_device *pdev) else ret = gpmc_probe_generic_child(pdev, child); - if (ret) - return ret; + if (ret) { + dev_err(&pdev->dev, "failed to probe DT child '%s': %d\n", + child->name, ret); + } } - - return 0; } #else static int gpmc_probe_dt(struct platform_device *pdev) @@ -2212,9 +2212,8 @@ static int gpmc_probe_dt(struct platform_device *pdev) return 0; } -static int gpmc_probe_dt_children(struct platform_device *pdev) +static void gpmc_probe_dt_children(struct platform_device *pdev) { - return 0; } #endif /* CONFIG_OF */ @@ -2369,16 +2368,10 @@ static int gpmc_probe(struct platform_device *pdev) goto setup_irq_failed; } - rc = gpmc_probe_dt_children(pdev); - if (rc < 0) { - dev_err(gpmc->dev, "failed to probe DT children\n"); - goto dt_children_failed; - } + gpmc_probe_dt_children(pdev); return 0; -dt_children_failed: - gpmc_free_irq(gpmc); setup_irq_failed: gpmc_gpio_exit(gpmc); gpio_init_failed: diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index a216b4667742..d00252828966 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -345,16 +345,6 @@ config SENSORS_TSL2550 This driver can also be built as a module. If so, the module will be called tsl2550. -config SENSORS_BH1780 - tristate "ROHM BH1780GLI ambient light sensor" - depends on I2C && SYSFS - help - If you say yes here you get support for the ROHM BH1780GLI - ambient light sensor. - - This driver can also be built as a module. If so, the module - will be called bh1780gli. - config SENSORS_BH1770 tristate "BH1770GLC / SFH7770 combined ALS - Proximity sensor" depends on I2C diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index 7410c6d9a34d..fb32516ddfe2 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -19,7 +19,6 @@ obj-$(CONFIG_TIFM_CORE) += tifm_core.o obj-$(CONFIG_TIFM_7XX1) += tifm_7xx1.o obj-$(CONFIG_PHANTOM) += phantom.o obj-$(CONFIG_QCOM_COINCELL) += qcom-coincell.o -obj-$(CONFIG_SENSORS_BH1780) += bh1780gli.o obj-$(CONFIG_SENSORS_BH1770) += bh1770glc.o obj-$(CONFIG_SENSORS_APDS990X) += apds990x.o obj-$(CONFIG_SGI_IOC4) += ioc4.o diff --git a/drivers/misc/bh1780gli.c b/drivers/misc/bh1780gli.c deleted file mode 100644 index 7f90ce5a569a..000000000000 --- a/drivers/misc/bh1780gli.c +++ /dev/null @@ -1,259 +0,0 @@ -/* - * bh1780gli.c - * ROHM Ambient Light Sensor Driver - * - * Copyright (C) 2010 Texas Instruments - * Author: Hemanth V <hemanthv@ti.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ -#include <linux/i2c.h> -#include <linux/slab.h> -#include <linux/mutex.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/module.h> -#include <linux/of.h> - -#define BH1780_REG_CONTROL 0x80 -#define BH1780_REG_PARTID 0x8A -#define BH1780_REG_MANFID 0x8B -#define BH1780_REG_DLOW 0x8C -#define BH1780_REG_DHIGH 0x8D - -#define BH1780_REVMASK (0xf) -#define BH1780_POWMASK (0x3) -#define BH1780_POFF (0x0) -#define BH1780_PON (0x3) - -/* power on settling time in ms */ -#define BH1780_PON_DELAY 2 - -struct bh1780_data { - struct i2c_client *client; - int power_state; - /* lock for sysfs operations */ - struct mutex lock; -}; - -static int bh1780_write(struct bh1780_data *ddata, u8 reg, u8 val, char *msg) -{ - int ret = i2c_smbus_write_byte_data(ddata->client, reg, val); - if (ret < 0) - dev_err(&ddata->client->dev, - "i2c_smbus_write_byte_data failed error %d Register (%s)\n", - ret, msg); - return ret; -} - -static int bh1780_read(struct bh1780_data *ddata, u8 reg, char *msg) -{ - int ret = i2c_smbus_read_byte_data(ddata->client, reg); - if (ret < 0) - dev_err(&ddata->client->dev, - "i2c_smbus_read_byte_data failed error %d Register (%s)\n", - ret, msg); - return ret; -} - -static ssize_t bh1780_show_lux(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct platform_device *pdev = to_platform_device(dev); - struct bh1780_data *ddata = platform_get_drvdata(pdev); - int lsb, msb; - - lsb = bh1780_read(ddata, BH1780_REG_DLOW, "DLOW"); - if (lsb < 0) - return lsb; - - msb = bh1780_read(ddata, BH1780_REG_DHIGH, "DHIGH"); - if (msb < 0) - return msb; - - return sprintf(buf, "%d\n", (msb << 8) | lsb); -} - -static ssize_t bh1780_show_power_state(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct platform_device *pdev = to_platform_device(dev); - struct bh1780_data *ddata = platform_get_drvdata(pdev); - int state; - - state = bh1780_read(ddata, BH1780_REG_CONTROL, "CONTROL"); - if (state < 0) - return state; - - return sprintf(buf, "%d\n", state & BH1780_POWMASK); -} - -static ssize_t bh1780_store_power_state(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct platform_device *pdev = to_platform_device(dev); - struct bh1780_data *ddata = platform_get_drvdata(pdev); - unsigned long val; - int error; - - error = kstrtoul(buf, 0, &val); - if (error) - return error; - - if (val < BH1780_POFF || val > BH1780_PON) - return -EINVAL; - - mutex_lock(&ddata->lock); - - error = bh1780_write(ddata, BH1780_REG_CONTROL, val, "CONTROL"); - if (error < 0) { - mutex_unlock(&ddata->lock); - return error; - } - - msleep(BH1780_PON_DELAY); - ddata->power_state = val; - mutex_unlock(&ddata->lock); - - return count; -} - -static DEVICE_ATTR(lux, S_IRUGO, bh1780_show_lux, NULL); - -static DEVICE_ATTR(power_state, S_IWUSR | S_IRUGO, - bh1780_show_power_state, bh1780_store_power_state); - -static struct attribute *bh1780_attributes[] = { - &dev_attr_power_state.attr, - &dev_attr_lux.attr, - NULL -}; - -static const struct attribute_group bh1780_attr_group = { - .attrs = bh1780_attributes, -}; - -static int bh1780_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - int ret; - struct bh1780_data *ddata; - struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent); - - if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE)) - return -EIO; - - ddata = devm_kzalloc(&client->dev, sizeof(struct bh1780_data), - GFP_KERNEL); - if (ddata == NULL) - return -ENOMEM; - - ddata->client = client; - i2c_set_clientdata(client, ddata); - - ret = bh1780_read(ddata, BH1780_REG_PARTID, "PART ID"); - if (ret < 0) - return ret; - - dev_info(&client->dev, "Ambient Light Sensor, Rev : %d\n", - (ret & BH1780_REVMASK)); - - mutex_init(&ddata->lock); - - return sysfs_create_group(&client->dev.kobj, &bh1780_attr_group); -} - -static int bh1780_remove(struct i2c_client *client) -{ - sysfs_remove_group(&client->dev.kobj, &bh1780_attr_group); - - return 0; -} - -#ifdef CONFIG_PM_SLEEP -static int bh1780_suspend(struct device *dev) -{ - struct bh1780_data *ddata; - int state, ret; - struct i2c_client *client = to_i2c_client(dev); - - ddata = i2c_get_clientdata(client); - state = bh1780_read(ddata, BH1780_REG_CONTROL, "CONTROL"); - if (state < 0) - return state; - - ddata->power_state = state & BH1780_POWMASK; - - ret = bh1780_write(ddata, BH1780_REG_CONTROL, BH1780_POFF, - "CONTROL"); - - if (ret < 0) - return ret; - - return 0; -} - -static int bh1780_resume(struct device *dev) -{ - struct bh1780_data *ddata; - int state, ret; - struct i2c_client *client = to_i2c_client(dev); - - ddata = i2c_get_clientdata(client); - state = ddata->power_state; - ret = bh1780_write(ddata, BH1780_REG_CONTROL, state, - "CONTROL"); - - if (ret < 0) - return ret; - - return 0; -} -#endif /* CONFIG_PM_SLEEP */ - -static SIMPLE_DEV_PM_OPS(bh1780_pm, bh1780_suspend, bh1780_resume); - -static const struct i2c_device_id bh1780_id[] = { - { "bh1780", 0 }, - { }, -}; - -MODULE_DEVICE_TABLE(i2c, bh1780_id); - -#ifdef CONFIG_OF -static const struct of_device_id of_bh1780_match[] = { - { .compatible = "rohm,bh1780gli", }, - {}, -}; - -MODULE_DEVICE_TABLE(of, of_bh1780_match); -#endif - -static struct i2c_driver bh1780_driver = { - .probe = bh1780_probe, - .remove = bh1780_remove, - .id_table = bh1780_id, - .driver = { - .name = "bh1780", - .pm = &bh1780_pm, - .of_match_table = of_match_ptr(of_bh1780_match), - }, -}; - -module_i2c_driver(bh1780_driver); - -MODULE_DESCRIPTION("BH1780GLI Ambient Light Sensor Driver"); -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Hemanth V <hemanthv@ti.com>"); diff --git a/drivers/misc/lkdtm_rodata.c b/drivers/misc/lkdtm_rodata.c index 166b1db3969f..3564477b8c2d 100644 --- a/drivers/misc/lkdtm_rodata.c +++ b/drivers/misc/lkdtm_rodata.c @@ -4,7 +4,7 @@ */ #include "lkdtm.h" -void lkdtm_rodata_do_nothing(void) +void notrace lkdtm_rodata_do_nothing(void) { /* Does nothing. We just want an architecture agnostic "return". */ } diff --git a/drivers/misc/lkdtm_usercopy.c b/drivers/misc/lkdtm_usercopy.c index 5525a204db93..1dd611423d8b 100644 --- a/drivers/misc/lkdtm_usercopy.c +++ b/drivers/misc/lkdtm_usercopy.c @@ -9,7 +9,15 @@ #include <linux/uaccess.h> #include <asm/cacheflush.h> -static size_t cache_size = 1024; +/* + * Many of the tests here end up using const sizes, but those would + * normally be ignored by hardened usercopy, so force the compiler + * into choosing the non-const path to make sure we trigger the + * hardened usercopy checks by added "unconst" to all the const copies, + * and making sure "cache_size" isn't optimized into a const. + */ +static volatile size_t unconst = 0; +static volatile size_t cache_size = 1024; static struct kmem_cache *bad_cache; static const unsigned char test_text[] = "This is a test.\n"; @@ -67,14 +75,14 @@ static noinline void do_usercopy_stack(bool to_user, bool bad_frame) if (to_user) { pr_info("attempting good copy_to_user of local stack\n"); if (copy_to_user((void __user *)user_addr, good_stack, - sizeof(good_stack))) { + unconst + sizeof(good_stack))) { pr_warn("copy_to_user failed unexpectedly?!\n"); goto free_user; } pr_info("attempting bad copy_to_user of distant stack\n"); if (copy_to_user((void __user *)user_addr, bad_stack, - sizeof(good_stack))) { + unconst + sizeof(good_stack))) { pr_warn("copy_to_user failed, but lacked Oops\n"); goto free_user; } @@ -88,14 +96,14 @@ static noinline void do_usercopy_stack(bool to_user, bool bad_frame) pr_info("attempting good copy_from_user of local stack\n"); if (copy_from_user(good_stack, (void __user *)user_addr, - sizeof(good_stack))) { + unconst + sizeof(good_stack))) { pr_warn("copy_from_user failed unexpectedly?!\n"); goto free_user; } pr_info("attempting bad copy_from_user of distant stack\n"); if (copy_from_user(bad_stack, (void __user *)user_addr, - sizeof(good_stack))) { + unconst + sizeof(good_stack))) { pr_warn("copy_from_user failed, but lacked Oops\n"); goto free_user; } @@ -109,7 +117,7 @@ static void do_usercopy_heap_size(bool to_user) { unsigned long user_addr; unsigned char *one, *two; - const size_t size = 1024; + size_t size = unconst + 1024; one = kmalloc(size, GFP_KERNEL); two = kmalloc(size, GFP_KERNEL); @@ -285,13 +293,14 @@ void lkdtm_USERCOPY_KERNEL(void) pr_info("attempting good copy_to_user from kernel rodata\n"); if (copy_to_user((void __user *)user_addr, test_text, - sizeof(test_text))) { + unconst + sizeof(test_text))) { pr_warn("copy_to_user failed unexpectedly?!\n"); goto free_user; } pr_info("attempting bad copy_to_user from kernel text\n"); - if (copy_to_user((void __user *)user_addr, vm_mmap, PAGE_SIZE)) { + if (copy_to_user((void __user *)user_addr, vm_mmap, + unconst + PAGE_SIZE)) { pr_warn("copy_to_user failed, but lacked Oops\n"); goto free_user; } diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index e2fb44cc5c37..dc3a854e02d3 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -1263,8 +1263,14 @@ static bool mei_me_fw_type_nm(struct pci_dev *pdev) static bool mei_me_fw_type_sps(struct pci_dev *pdev) { u32 reg; - /* Read ME FW Status check for SPS Firmware */ - pci_read_config_dword(pdev, PCI_CFG_HFS_1, ®); + unsigned int devfn; + + /* + * Read ME FW Status register to check for SPS Firmware + * The SPS FW is only signaled in pci function 0 + */ + devfn = PCI_DEVFN(PCI_SLOT(pdev->devfn), 0); + pci_bus_read_config_dword(pdev->bus, devfn, PCI_CFG_HFS_1, ®); trace_mei_pci_cfg_read(&pdev->dev, "PCI_CFG_HFS_1", PCI_CFG_HFS_1, reg); /* if bits [19:16] = 15, running SPS Firmware */ return (reg & 0xf0000) == 0xf0000; diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 64e64da6da44..71cea9b296b2 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -85,8 +85,8 @@ static const struct pci_device_id mei_me_pci_tbl[] = { {MEI_PCI_DEVICE(MEI_DEV_ID_SPT, mei_me_pch8_cfg)}, {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_2, mei_me_pch8_cfg)}, - {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, mei_me_pch8_cfg)}, - {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, mei_me_pch8_cfg)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H, mei_me_pch8_sps_cfg)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_SPT_H_2, mei_me_pch8_sps_cfg)}, {MEI_PCI_DEVICE(MEI_DEV_ID_BXT_M, mei_me_pch8_cfg)}, {MEI_PCI_DEVICE(MEI_DEV_ID_APL_I, mei_me_pch8_cfg)}, diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index c6a1309b2131..3f31ca32f52b 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1341,9 +1341,10 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) slave_dev->name); } - /* already enslaved */ - if (slave_dev->flags & IFF_SLAVE) { - netdev_dbg(bond_dev, "Error: Device was already enslaved\n"); + /* already in-use? */ + if (netdev_is_rx_handler_busy(slave_dev)) { + netdev_err(bond_dev, + "Error: Device is in use and cannot be enslaved\n"); return -EBUSY; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 6f9104b5d599..dab61a81a3ba 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -772,6 +772,11 @@ void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl) (bp->common.bc_ver & 0xff00) >> 8, (bp->common.bc_ver & 0xff)); + if (pci_channel_offline(bp->pdev)) { + BNX2X_ERR("Cannot dump MCP info while in PCI error\n"); + return; + } + val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER); if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER)) BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val); @@ -9415,10 +9420,16 @@ unload_error: /* Release IRQs */ bnx2x_free_irq(bp); - /* Reset the chip */ - rc = bnx2x_reset_hw(bp, reset_code); - if (rc) - BNX2X_ERR("HW_RESET failed\n"); + /* Reset the chip, unless PCI function is offline. If we reach this + * point following a PCI error handling, it means device is really + * in a bad state and we're about to remove it, so reset the chip + * is not a good idea. + */ + if (!pci_channel_offline(bp->pdev)) { + rc = bnx2x_reset_hw(bp, reset_code); + if (rc) + BNX2X_ERR("HW_RESET failed\n"); + } /* Report UNLOAD_DONE to MCP */ bnx2x_send_unload_done(bp, keep_link); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 2cf79100c9cb..228c964e709a 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -353,8 +353,8 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) push_len = (length + sizeof(*tx_push) + 7) / 8; if (push_len > 16) { __iowrite64_copy(txr->tx_doorbell, tx_push_buf, 16); - __iowrite64_copy(txr->tx_doorbell + 4, tx_push_buf + 1, - push_len - 16); + __iowrite32_copy(txr->tx_doorbell + 4, tx_push_buf + 1, + (push_len - 16) << 1); } else { __iowrite64_copy(txr->tx_doorbell, tx_push_buf, push_len); diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 659261218d9f..a2551bcd1027 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -14012,6 +14012,7 @@ static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) || (!ec->rx_coalesce_usecs) || (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) || + (!ec->tx_coalesce_usecs) || (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) || (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) || (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) || @@ -14022,16 +14023,6 @@ static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) (ec->stats_block_coalesce_usecs < min_stat_coal_ticks)) return -EINVAL; - /* No rx interrupts will be generated if both are zero */ - if ((ec->rx_coalesce_usecs == 0) && - (ec->rx_max_coalesced_frames == 0)) - return -EINVAL; - - /* No tx interrupts will be generated if both are zero */ - if ((ec->tx_coalesce_usecs == 0) && - (ec->tx_max_coalesced_frames == 0)) - return -EINVAL; - /* Only copy relevant parameters, ignore all others. */ tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs; tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs; diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 32568392b9f9..0294b6a87265 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -1339,6 +1339,24 @@ dma_error: return 0; } +static inline int macb_clear_csum(struct sk_buff *skb) +{ + /* no change for packets without checksum offloading */ + if (skb->ip_summed != CHECKSUM_PARTIAL) + return 0; + + /* make sure we can modify the header */ + if (unlikely(skb_cow_head(skb, 0))) + return -1; + + /* initialize checksum field + * This is required - at least for Zynq, which otherwise calculates + * wrong UDP header checksums for UDP packets with UDP data len <=2 + */ + *(__sum16 *)(skb_checksum_start(skb) + skb->csum_offset) = 0; + return 0; +} + static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev) { u16 queue_index = skb_get_queue_mapping(skb); @@ -1378,6 +1396,11 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_BUSY; } + if (macb_clear_csum(skb)) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + /* Map socket buffer for DMA transfer */ if (!macb_tx_map(bp, queue, skb)) { dev_kfree_skb_any(skb); diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h index dd63f961827a..18d12d35039a 100644 --- a/drivers/net/ethernet/cavium/thunder/nic.h +++ b/drivers/net/ethernet/cavium/thunder/nic.h @@ -258,6 +258,7 @@ struct nicvf { u8 sqs_id; bool sqs_mode; bool hw_tso; + bool t88; /* Receive buffer alloc */ u32 rb_page_offset; diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index 25618d203931..2bbf4cbf08b2 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -282,9 +282,14 @@ static void nic_set_tx_pkt_pad(struct nicpf *nic, int size) u16 sdevid; u64 lmac_cfg; - /* Max value that can be set is 60 */ - if (size > 60) - size = 60; + /* There is a issue in HW where-in while sending GSO sized + * pkts as part of TSO, if pkt len falls below this size + * NIC will zero PAD packet and also updates IP total length. + * Hence set this value to lessthan min pkt size of MAC+IP+TCP + * headers, BGX will do the padding to transmit 64 byte pkt. + */ + if (size > 52) + size = 52; pci_read_config_word(nic->pdev, PCI_SUBSYSTEM_ID, &sdevid); /* 81xx's RGX has only one LMAC */ diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index 06c014edf762..7d00162a2f89 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -522,6 +522,7 @@ static void nicvf_snd_pkt_handler(struct net_device *netdev, struct nicvf *nic = netdev_priv(netdev); struct snd_queue *sq; struct sq_hdr_subdesc *hdr; + struct sq_hdr_subdesc *tso_sqe; sq = &nic->qs->sq[cqe_tx->sq_idx]; @@ -536,17 +537,21 @@ static void nicvf_snd_pkt_handler(struct net_device *netdev, nicvf_check_cqe_tx_errs(nic, cq, cqe_tx); skb = (struct sk_buff *)sq->skbuff[cqe_tx->sqe_ptr]; - /* For TSO offloaded packets only one SQE will have a valid SKB */ if (skb) { + /* Check for dummy descriptor used for HW TSO offload on 88xx */ + if (hdr->dont_send) { + /* Get actual TSO descriptors and free them */ + tso_sqe = + (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, hdr->rsvd2); + nicvf_put_sq_desc(sq, tso_sqe->subdesc_cnt + 1); + } nicvf_put_sq_desc(sq, hdr->subdesc_cnt + 1); prefetch(skb); napi_consume_skb(skb, budget); sq->skbuff[cqe_tx->sqe_ptr] = (u64)NULL; } else { - /* In case of HW TSO, HW sends a CQE for each segment of a TSO - * packet instead of a single CQE for the whole TSO packet - * transmitted. Each of this CQE points to the same SQE, so - * avoid freeing same SQE multiple times. + /* In case of SW TSO on 88xx, only last segment will have + * a SKB attached, so just free SQEs here. */ if (!nic->hw_tso) nicvf_put_sq_desc(sq, hdr->subdesc_cnt + 1); @@ -1516,6 +1521,7 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct net_device *netdev; struct nicvf *nic; int err, qcount; + u16 sdevid; err = pci_enable_device(pdev); if (err) { @@ -1588,6 +1594,10 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (!pass1_silicon(nic->pdev)) nic->hw_tso = true; + pci_read_config_word(nic->pdev, PCI_SUBSYSTEM_ID, &sdevid); + if (sdevid == 0xA134) + nic->t88 = true; + /* Check if this VF is in QS only mode */ if (nic->sqs_mode) return 0; diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index 7d90856c9783..178c5c7b0994 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -953,6 +953,8 @@ static int nicvf_tso_count_subdescs(struct sk_buff *skb) return num_edescs + sh->gso_segs; } +#define POST_CQE_DESC_COUNT 2 + /* Get the number of SQ descriptors needed to xmit this skb */ static int nicvf_sq_subdesc_required(struct nicvf *nic, struct sk_buff *skb) { @@ -963,6 +965,10 @@ static int nicvf_sq_subdesc_required(struct nicvf *nic, struct sk_buff *skb) return subdesc_cnt; } + /* Dummy descriptors to get TSO pkt completion notification */ + if (nic->t88 && nic->hw_tso && skb_shinfo(skb)->gso_size) + subdesc_cnt += POST_CQE_DESC_COUNT; + if (skb_shinfo(skb)->nr_frags) subdesc_cnt += skb_shinfo(skb)->nr_frags; @@ -980,14 +986,21 @@ nicvf_sq_add_hdr_subdesc(struct nicvf *nic, struct snd_queue *sq, int qentry, struct sq_hdr_subdesc *hdr; hdr = (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, qentry); - sq->skbuff[qentry] = (u64)skb; - memset(hdr, 0, SND_QUEUE_DESC_SIZE); hdr->subdesc_type = SQ_DESC_TYPE_HEADER; - /* Enable notification via CQE after processing SQE */ - hdr->post_cqe = 1; - /* No of subdescriptors following this */ - hdr->subdesc_cnt = subdesc_cnt; + + if (nic->t88 && nic->hw_tso && skb_shinfo(skb)->gso_size) { + /* post_cqe = 0, to avoid HW posting a CQE for every TSO + * segment transmitted on 88xx. + */ + hdr->subdesc_cnt = subdesc_cnt - POST_CQE_DESC_COUNT; + } else { + sq->skbuff[qentry] = (u64)skb; + /* Enable notification via CQE after processing SQE */ + hdr->post_cqe = 1; + /* No of subdescriptors following this */ + hdr->subdesc_cnt = subdesc_cnt; + } hdr->tot_len = len; /* Offload checksum calculation to HW */ @@ -1038,6 +1051,37 @@ static inline void nicvf_sq_add_gather_subdesc(struct snd_queue *sq, int qentry, gather->addr = data; } +/* Add HDR + IMMEDIATE subdescriptors right after descriptors of a TSO + * packet so that a CQE is posted as a notifation for transmission of + * TSO packet. + */ +static inline void nicvf_sq_add_cqe_subdesc(struct snd_queue *sq, int qentry, + int tso_sqe, struct sk_buff *skb) +{ + struct sq_imm_subdesc *imm; + struct sq_hdr_subdesc *hdr; + + sq->skbuff[qentry] = (u64)skb; + + hdr = (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, qentry); + memset(hdr, 0, SND_QUEUE_DESC_SIZE); + hdr->subdesc_type = SQ_DESC_TYPE_HEADER; + /* Enable notification via CQE after processing SQE */ + hdr->post_cqe = 1; + /* There is no packet to transmit here */ + hdr->dont_send = 1; + hdr->subdesc_cnt = POST_CQE_DESC_COUNT - 1; + hdr->tot_len = 1; + /* Actual TSO header SQE index, needed for cleanup */ + hdr->rsvd2 = tso_sqe; + + qentry = nicvf_get_nxt_sqentry(sq, qentry); + imm = (struct sq_imm_subdesc *)GET_SQ_DESC(sq, qentry); + memset(imm, 0, SND_QUEUE_DESC_SIZE); + imm->subdesc_type = SQ_DESC_TYPE_IMMEDIATE; + imm->len = 1; +} + /* Segment a TSO packet into 'gso_size' segments and append * them to SQ for transfer */ @@ -1111,7 +1155,7 @@ static int nicvf_sq_append_tso(struct nicvf *nic, struct snd_queue *sq, int nicvf_sq_append_skb(struct nicvf *nic, struct sk_buff *skb) { int i, size; - int subdesc_cnt; + int subdesc_cnt, tso_sqe = 0; int sq_num, qentry; struct queue_set *qs; struct snd_queue *sq; @@ -1146,6 +1190,7 @@ int nicvf_sq_append_skb(struct nicvf *nic, struct sk_buff *skb) /* Add SQ header subdesc */ nicvf_sq_add_hdr_subdesc(nic, sq, qentry, subdesc_cnt - 1, skb, skb->len); + tso_sqe = qentry; /* Add SQ gather subdescs */ qentry = nicvf_get_nxt_sqentry(sq, qentry); @@ -1169,6 +1214,11 @@ int nicvf_sq_append_skb(struct nicvf *nic, struct sk_buff *skb) } doorbell: + if (nic->t88 && skb_shinfo(skb)->gso_size) { + qentry = nicvf_get_nxt_sqentry(sq, qentry); + nicvf_sq_add_cqe_subdesc(sq, qentry, tso_sqe, skb); + } + /* make sure all memory stores are done before ringing doorbell */ smp_wmb(); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index fcdea29be4ee..61b0fc433d37 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -5112,9 +5112,13 @@ static int i40e_init_pf_dcb(struct i40e_pf *pf) DCB_CAP_DCBX_VER_IEEE; pf->flags |= I40E_FLAG_DCB_CAPABLE; - /* Enable DCB tagging only when more than one TC */ + /* Enable DCB tagging only when more than one TC + * or explicitly disable if only one TC + */ if (i40e_dcb_get_num_tc(&hw->local_dcbx_config) > 1) pf->flags |= I40E_FLAG_DCB_ENABLED; + else + pf->flags &= ~I40E_FLAG_DCB_ENABLED; dev_dbg(&pf->pdev->dev, "DCBX offload is supported for this PF.\n"); } @@ -5715,7 +5719,7 @@ static int i40e_handle_lldp_event(struct i40e_pf *pf, u8 type; /* Not DCB capable or capability disabled */ - if (!(pf->flags & I40E_FLAG_DCB_CAPABLE)) + if (!(pf->flags & I40E_FLAG_DCB_ENABLED)) return ret; /* Ignore if event is not for Nearest Bridge */ @@ -7895,6 +7899,7 @@ static int i40e_init_interrupt_scheme(struct i40e_pf *pf) #endif I40E_FLAG_RSS_ENABLED | I40E_FLAG_DCB_CAPABLE | + I40E_FLAG_DCB_ENABLED | I40E_FLAG_SRIOV_ENABLED | I40E_FLAG_FD_SB_ENABLED | I40E_FLAG_FD_ATR_ENABLED | @@ -10531,6 +10536,7 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) I40E_FLAG_FD_SB_ENABLED | I40E_FLAG_FD_ATR_ENABLED | I40E_FLAG_DCB_CAPABLE | + I40E_FLAG_DCB_ENABLED | I40E_FLAG_SRIOV_ENABLED | I40E_FLAG_VMDQ_ENABLED); } else if (!(pf->flags & (I40E_FLAG_RSS_ENABLED | @@ -10554,7 +10560,8 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) /* Not enough queues for all TCs */ if ((pf->flags & I40E_FLAG_DCB_CAPABLE) && (queues_left < I40E_MAX_TRAFFIC_CLASS)) { - pf->flags &= ~I40E_FLAG_DCB_CAPABLE; + pf->flags &= ~(I40E_FLAG_DCB_CAPABLE | + I40E_FLAG_DCB_ENABLED); dev_info(&pf->pdev->dev, "not enough queues for DCB. DCB is disabled.\n"); } pf->num_lan_qps = max_t(int, pf->rss_size_max, @@ -10951,7 +10958,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = i40e_init_pf_dcb(pf); if (err) { dev_info(&pdev->dev, "DCB init failed %d, disabled\n", err); - pf->flags &= ~I40E_FLAG_DCB_CAPABLE; + pf->flags &= ~(I40E_FLAG_DCB_CAPABLE & I40E_FLAG_DCB_ENABLED); /* Continue without DCB enabled */ } #endif /* CONFIG_I40E_DCB */ diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 473977d6e9e8..6e01f1fba068 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -50,6 +50,10 @@ static const struct mtk_ethtool_stats { MTK_ETHTOOL_STAT(rx_flow_control_packets), }; +static const char * const mtk_clks_source_name[] = { + "ethif", "esw", "gp1", "gp2" +}; + void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg) { __raw_writel(val, eth->base + reg); @@ -291,7 +295,7 @@ err_phy: static int mtk_mdio_init(struct mtk_eth *eth) { struct device_node *mii_np; - int err; + int ret; mii_np = of_get_child_by_name(eth->dev->of_node, "mdio-bus"); if (!mii_np) { @@ -300,13 +304,13 @@ static int mtk_mdio_init(struct mtk_eth *eth) } if (!of_device_is_available(mii_np)) { - err = 0; + ret = -ENODEV; goto err_put_node; } - eth->mii_bus = mdiobus_alloc(); + eth->mii_bus = devm_mdiobus_alloc(eth->dev); if (!eth->mii_bus) { - err = -ENOMEM; + ret = -ENOMEM; goto err_put_node; } @@ -317,19 +321,11 @@ static int mtk_mdio_init(struct mtk_eth *eth) eth->mii_bus->parent = eth->dev; snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name); - err = of_mdiobus_register(eth->mii_bus, mii_np); - if (err) - goto err_free_bus; - - return 0; - -err_free_bus: - mdiobus_free(eth->mii_bus); + ret = of_mdiobus_register(eth->mii_bus, mii_np); err_put_node: of_node_put(mii_np); - eth->mii_bus = NULL; - return err; + return ret; } static void mtk_mdio_cleanup(struct mtk_eth *eth) @@ -338,8 +334,6 @@ static void mtk_mdio_cleanup(struct mtk_eth *eth) return; mdiobus_unregister(eth->mii_bus); - of_node_put(eth->mii_bus->dev.of_node); - mdiobus_free(eth->mii_bus); } static inline void mtk_irq_disable(struct mtk_eth *eth, @@ -589,14 +583,15 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, dma_addr_t mapped_addr; unsigned int nr_frags; int i, n_desc = 1; - u32 txd4 = 0; + u32 txd4 = 0, fport; itxd = ring->next_free; if (itxd == ring->last_free) return -ENOMEM; /* set the forward port */ - txd4 |= (mac->id + 1) << TX_DMA_FPORT_SHIFT; + fport = (mac->id + 1) << TX_DMA_FPORT_SHIFT; + txd4 |= fport; tx_buf = mtk_desc_to_tx_buf(ring, itxd); memset(tx_buf, 0, sizeof(*tx_buf)); @@ -654,7 +649,7 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, WRITE_ONCE(txd->txd3, (TX_DMA_SWC | TX_DMA_PLEN0(frag_map_size) | last_frag * TX_DMA_LS0)); - WRITE_ONCE(txd->txd4, 0); + WRITE_ONCE(txd->txd4, fport); tx_buf->skb = (struct sk_buff *)MTK_DMA_DUMMY_DESC; tx_buf = mtk_desc_to_tx_buf(ring, txd); @@ -865,7 +860,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, /* receive data */ skb = build_skb(data, ring->frag_size); if (unlikely(!skb)) { - put_page(virt_to_head_page(new_data)); + skb_free_frag(new_data); netdev->stats.rx_dropped++; goto release_desc; } @@ -1825,6 +1820,7 @@ static int mtk_probe(struct platform_device *pdev) if (!eth) return -ENOMEM; + eth->dev = &pdev->dev; eth->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(eth->base)) return PTR_ERR(eth->base); @@ -1859,21 +1855,21 @@ static int mtk_probe(struct platform_device *pdev) return -ENXIO; } } + for (i = 0; i < ARRAY_SIZE(eth->clks); i++) { + eth->clks[i] = devm_clk_get(eth->dev, + mtk_clks_source_name[i]); + if (IS_ERR(eth->clks[i])) { + if (PTR_ERR(eth->clks[i]) == -EPROBE_DEFER) + return -EPROBE_DEFER; + return -ENODEV; + } + } - eth->clk_ethif = devm_clk_get(&pdev->dev, "ethif"); - eth->clk_esw = devm_clk_get(&pdev->dev, "esw"); - eth->clk_gp1 = devm_clk_get(&pdev->dev, "gp1"); - eth->clk_gp2 = devm_clk_get(&pdev->dev, "gp2"); - if (IS_ERR(eth->clk_esw) || IS_ERR(eth->clk_gp1) || - IS_ERR(eth->clk_gp2) || IS_ERR(eth->clk_ethif)) - return -ENODEV; - - clk_prepare_enable(eth->clk_ethif); - clk_prepare_enable(eth->clk_esw); - clk_prepare_enable(eth->clk_gp1); - clk_prepare_enable(eth->clk_gp2); + clk_prepare_enable(eth->clks[MTK_CLK_ETHIF]); + clk_prepare_enable(eth->clks[MTK_CLK_ESW]); + clk_prepare_enable(eth->clks[MTK_CLK_GP1]); + clk_prepare_enable(eth->clks[MTK_CLK_GP2]); - eth->dev = &pdev->dev; eth->msg_enable = netif_msg_init(mtk_msg_level, MTK_DEFAULT_MSG_ENABLE); INIT_WORK(ð->pending_work, mtk_pending_work); @@ -1915,11 +1911,19 @@ err_free_dev: static int mtk_remove(struct platform_device *pdev) { struct mtk_eth *eth = platform_get_drvdata(pdev); + int i; + + /* stop all devices to make sure that dma is properly shut down */ + for (i = 0; i < MTK_MAC_COUNT; i++) { + if (!eth->netdev[i]) + continue; + mtk_stop(eth->netdev[i]); + } - clk_disable_unprepare(eth->clk_ethif); - clk_disable_unprepare(eth->clk_esw); - clk_disable_unprepare(eth->clk_gp1); - clk_disable_unprepare(eth->clk_gp2); + clk_disable_unprepare(eth->clks[MTK_CLK_ETHIF]); + clk_disable_unprepare(eth->clks[MTK_CLK_ESW]); + clk_disable_unprepare(eth->clks[MTK_CLK_GP1]); + clk_disable_unprepare(eth->clks[MTK_CLK_GP2]); netif_napi_del(ð->tx_napi); netif_napi_del(ð->rx_napi); diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index 7c1f3f2e11d4..0b984dca462e 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -319,6 +319,17 @@ enum mtk_tx_flags { MTK_TX_FLAGS_PAGE0 = 0x02, }; +/* This enum allows us to identify how the clock is defined on the array of the + * clock in the order + */ +enum mtk_clks_map { + MTK_CLK_ETHIF, + MTK_CLK_ESW, + MTK_CLK_GP1, + MTK_CLK_GP2, + MTK_CLK_MAX +}; + /* struct mtk_tx_buf - This struct holds the pointers to the memory pointed at * by the TX descriptor s * @skb: The SKB pointer of the packet being sent @@ -399,10 +410,7 @@ struct mtk_rx_ring { * @scratch_ring: Newer SoCs need memory for a second HW managed TX ring * @phy_scratch_ring: physical address of scratch_ring * @scratch_head: The scratch memory that scratch_ring points to. - * @clk_ethif: The ethif clock - * @clk_esw: The switch clock - * @clk_gp1: The gmac1 clock - * @clk_gp2: The gmac2 clock + * @clks: clock array for all clocks required * @mii_bus: If there is a bus we need to create an instance for it * @pending_work: The workqueue used to reset the dma ring */ @@ -429,10 +437,8 @@ struct mtk_eth { struct mtk_tx_dma *scratch_ring; dma_addr_t phy_scratch_ring; void *scratch_head; - struct clk *clk_ethif; - struct clk *clk_esw; - struct clk *clk_gp1; - struct clk *clk_gp2; + struct clk *clks[MTK_CLK_MAX]; + struct mii_bus *mii_bus; struct work_struct pending_work; }; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c index 99c6bbdff501..b04760a5034b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c @@ -94,7 +94,7 @@ static u8 mlx4_en_dcbnl_getcap(struct net_device *dev, int capid, u8 *cap) *cap = true; break; case DCB_CAP_ATTR_DCBX: - *cap = priv->cee_params.dcbx_cap; + *cap = priv->dcbx_cap; break; case DCB_CAP_ATTR_PFC_TCS: *cap = 1 << mlx4_max_tc(priv->mdev->dev); @@ -111,14 +111,14 @@ static u8 mlx4_en_dcbnl_getpfcstate(struct net_device *netdev) { struct mlx4_en_priv *priv = netdev_priv(netdev); - return priv->cee_params.dcb_cfg.pfc_state; + return priv->cee_config.pfc_state; } static void mlx4_en_dcbnl_setpfcstate(struct net_device *netdev, u8 state) { struct mlx4_en_priv *priv = netdev_priv(netdev); - priv->cee_params.dcb_cfg.pfc_state = state; + priv->cee_config.pfc_state = state; } static void mlx4_en_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority, @@ -126,7 +126,7 @@ static void mlx4_en_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority, { struct mlx4_en_priv *priv = netdev_priv(netdev); - *setting = priv->cee_params.dcb_cfg.tc_config[priority].dcb_pfc; + *setting = priv->cee_config.dcb_pfc[priority]; } static void mlx4_en_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority, @@ -134,8 +134,8 @@ static void mlx4_en_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority, { struct mlx4_en_priv *priv = netdev_priv(netdev); - priv->cee_params.dcb_cfg.tc_config[priority].dcb_pfc = setting; - priv->cee_params.dcb_cfg.pfc_state = true; + priv->cee_config.dcb_pfc[priority] = setting; + priv->cee_config.pfc_state = true; } static int mlx4_en_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num) @@ -157,13 +157,11 @@ static u8 mlx4_en_dcbnl_set_all(struct net_device *netdev) { struct mlx4_en_priv *priv = netdev_priv(netdev); struct mlx4_en_dev *mdev = priv->mdev; - struct mlx4_en_cee_config *dcb_cfg = &priv->cee_params.dcb_cfg; - int err = 0; - if (!(priv->cee_params.dcbx_cap & DCB_CAP_DCBX_VER_CEE)) - return -EINVAL; + if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) + return 1; - if (dcb_cfg->pfc_state) { + if (priv->cee_config.pfc_state) { int tc; priv->prof->rx_pause = 0; @@ -171,7 +169,7 @@ static u8 mlx4_en_dcbnl_set_all(struct net_device *netdev) for (tc = 0; tc < CEE_DCBX_MAX_PRIO; tc++) { u8 tc_mask = 1 << tc; - switch (dcb_cfg->tc_config[tc].dcb_pfc) { + switch (priv->cee_config.dcb_pfc[tc]) { case pfc_disabled: priv->prof->tx_ppp &= ~tc_mask; priv->prof->rx_ppp &= ~tc_mask; @@ -199,15 +197,17 @@ static u8 mlx4_en_dcbnl_set_all(struct net_device *netdev) en_dbg(DRV, priv, "Set pfc off\n"); } - err = mlx4_SET_PORT_general(mdev->dev, priv->port, - priv->rx_skb_size + ETH_FCS_LEN, - priv->prof->tx_pause, - priv->prof->tx_ppp, - priv->prof->rx_pause, - priv->prof->rx_ppp); - if (err) + if (mlx4_SET_PORT_general(mdev->dev, priv->port, + priv->rx_skb_size + ETH_FCS_LEN, + priv->prof->tx_pause, + priv->prof->tx_ppp, + priv->prof->rx_pause, + priv->prof->rx_ppp)) { en_err(priv, "Failed setting pause params\n"); - return err; + return 1; + } + + return 0; } static u8 mlx4_en_dcbnl_get_state(struct net_device *dev) @@ -225,7 +225,7 @@ static u8 mlx4_en_dcbnl_set_state(struct net_device *dev, u8 state) struct mlx4_en_priv *priv = netdev_priv(dev); int num_tcs = 0; - if (!(priv->cee_params.dcbx_cap & DCB_CAP_DCBX_VER_CEE)) + if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) return 1; if (!!(state) == !!(priv->flags & MLX4_EN_FLAG_DCB_ENABLED)) @@ -238,7 +238,10 @@ static u8 mlx4_en_dcbnl_set_state(struct net_device *dev, u8 state) priv->flags &= ~MLX4_EN_FLAG_DCB_ENABLED; } - return mlx4_en_setup_tc(dev, num_tcs); + if (mlx4_en_setup_tc(dev, num_tcs)) + return 1; + + return 0; } /* On success returns a non-zero 802.1p user priority bitmap @@ -252,7 +255,7 @@ static int mlx4_en_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id) .selector = idtype, .protocol = id, }; - if (!(priv->cee_params.dcbx_cap & DCB_CAP_DCBX_VER_CEE)) + if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) return 0; return dcb_getapp(netdev, &app); @@ -264,7 +267,7 @@ static int mlx4_en_dcbnl_setapp(struct net_device *netdev, u8 idtype, struct mlx4_en_priv *priv = netdev_priv(netdev); struct dcb_app app; - if (!(priv->cee_params.dcbx_cap & DCB_CAP_DCBX_VER_CEE)) + if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) return -EINVAL; memset(&app, 0, sizeof(struct dcb_app)); @@ -433,7 +436,7 @@ static u8 mlx4_en_dcbnl_getdcbx(struct net_device *dev) { struct mlx4_en_priv *priv = netdev_priv(dev); - return priv->cee_params.dcbx_cap; + return priv->dcbx_cap; } static u8 mlx4_en_dcbnl_setdcbx(struct net_device *dev, u8 mode) @@ -442,7 +445,7 @@ static u8 mlx4_en_dcbnl_setdcbx(struct net_device *dev, u8 mode) struct ieee_ets ets = {0}; struct ieee_pfc pfc = {0}; - if (mode == priv->cee_params.dcbx_cap) + if (mode == priv->dcbx_cap) return 0; if ((mode & DCB_CAP_DCBX_LLD_MANAGED) || @@ -451,7 +454,7 @@ static u8 mlx4_en_dcbnl_setdcbx(struct net_device *dev, u8 mode) !(mode & DCB_CAP_DCBX_HOST)) goto err; - priv->cee_params.dcbx_cap = mode; + priv->dcbx_cap = mode; ets.ets_cap = IEEE_8021QAZ_MAX_TCS; pfc.pfc_cap = IEEE_8021QAZ_MAX_TCS; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 31a41add5b4c..62516f8369ba 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -71,10 +71,11 @@ int mlx4_en_setup_tc(struct net_device *dev, u8 up) #ifdef CONFIG_MLX4_EN_DCB if (!mlx4_is_slave(priv->mdev->dev)) { if (up) { - priv->flags |= MLX4_EN_FLAG_DCB_ENABLED; + if (priv->dcbx_cap) + priv->flags |= MLX4_EN_FLAG_DCB_ENABLED; } else { priv->flags &= ~MLX4_EN_FLAG_DCB_ENABLED; - priv->cee_params.dcb_cfg.pfc_state = false; + priv->cee_config.pfc_state = false; } } #endif /* CONFIG_MLX4_EN_DCB */ @@ -3055,9 +3056,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, struct mlx4_en_priv *priv; int i; int err; -#ifdef CONFIG_MLX4_EN_DCB - struct tc_configuration *tc; -#endif dev = alloc_etherdev_mqs(sizeof(struct mlx4_en_priv), MAX_TX_RINGS, MAX_RX_RINGS); @@ -3124,16 +3122,13 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, priv->msg_enable = MLX4_EN_MSG_LEVEL; #ifdef CONFIG_MLX4_EN_DCB if (!mlx4_is_slave(priv->mdev->dev)) { - priv->cee_params.dcbx_cap = DCB_CAP_DCBX_VER_CEE | - DCB_CAP_DCBX_HOST | - DCB_CAP_DCBX_VER_IEEE; + priv->dcbx_cap = DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_HOST | + DCB_CAP_DCBX_VER_IEEE; priv->flags |= MLX4_EN_DCB_ENABLED; - priv->cee_params.dcb_cfg.pfc_state = false; + priv->cee_config.pfc_state = false; - for (i = 0; i < MLX4_EN_NUM_UP; i++) { - tc = &priv->cee_params.dcb_cfg.tc_config[i]; - tc->dcb_pfc = pfc_disabled; - } + for (i = 0; i < MLX4_EN_NUM_UP; i++) + priv->cee_config.dcb_pfc[i] = pfc_disabled; if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) { dev->dcbnl_ops = &mlx4_en_dcbnl_ops; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 9df87ca0515a..e2509bba3e7c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -818,7 +818,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) real_size = get_real_size(skb, shinfo, dev, &lso_header_size, &inline_ok, &fragptr); if (unlikely(!real_size)) - goto tx_drop; + goto tx_drop_count; /* Align descriptor to TXBB size */ desc_size = ALIGN(real_size, TXBB_SIZE); @@ -826,7 +826,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) if (unlikely(nr_txbb > MAX_DESC_TXBBS)) { if (netif_msg_tx_err(priv)) en_warn(priv, "Oversized header or SG list\n"); - goto tx_drop; + goto tx_drop_count; } bf_ok = ring->bf_enabled; @@ -1071,9 +1071,10 @@ tx_drop_unmap: PCI_DMA_TODEVICE); } +tx_drop_count: + ring->tx_dropped++; tx_drop: dev_kfree_skb_any(skb); - ring->tx_dropped++; return NETDEV_TX_OK; } @@ -1106,7 +1107,7 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame, goto tx_drop; if (mlx4_en_is_tx_ring_full(ring)) - goto tx_drop; + goto tx_drop_count; /* fetch ring->cons far ahead before needing it to avoid stall */ ring_cons = READ_ONCE(ring->cons); @@ -1176,7 +1177,8 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame, return NETDEV_TX_OK; -tx_drop: +tx_drop_count: ring->tx_dropped++; +tx_drop: return NETDEV_TX_BUSY; } diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 47867c49f91c..a3528dd1e72e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -482,20 +482,10 @@ enum dcb_pfc_type { pfc_enabled_rx }; -struct tc_configuration { - enum dcb_pfc_type dcb_pfc; -}; - struct mlx4_en_cee_config { bool pfc_state; - struct tc_configuration tc_config[MLX4_EN_NUM_UP]; + enum dcb_pfc_type dcb_pfc[MLX4_EN_NUM_UP]; }; - -struct mlx4_en_cee_params { - u8 dcbx_cap; - struct mlx4_en_cee_config dcb_cfg; -}; - #endif struct ethtool_flow_id { @@ -624,7 +614,8 @@ struct mlx4_en_priv { struct ieee_ets ets; u16 maxrate[IEEE_8021QAZ_MAX_TCS]; enum dcbnl_cndd_states cndd_state[IEEE_8021QAZ_MAX_TCS]; - struct mlx4_en_cee_params cee_params; + struct mlx4_en_cee_config cee_config; + u8 dcbx_cap; #endif #ifdef CONFIG_RFS_ACCEL spinlock_t filters_lock; diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 3d2095e5c61c..c5b2064297a1 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -52,7 +52,7 @@ #define MLX4_FLAG_V_IGNORE_FCS_MASK 0x2 #define MLX4_IGNORE_FCS_MASK 0x1 -#define MLNX4_TX_MAX_NUMBER 8 +#define MLX4_TC_MAX_NUMBER 8 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table) { @@ -2022,7 +2022,7 @@ int mlx4_max_tc(struct mlx4_dev *dev) u8 num_tc = dev->caps.max_tc_eth; if (!num_tc) - num_tc = MLNX4_TX_MAX_NUMBER; + num_tc = MLX4_TC_MAX_NUMBER; return num_tc; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index d1cd1564e9b9..27ff401cec20 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -331,7 +331,7 @@ static void mlx5e_get_ethtool_stats(struct net_device *dev, if (mlx5e_query_global_pause_combined(priv)) { for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) { data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[0], - pport_per_prio_pfc_stats_desc, 0); + pport_per_prio_pfc_stats_desc, i); } } @@ -659,9 +659,10 @@ out: static void ptys2ethtool_supported_link(unsigned long *supported_modes, u32 eth_proto_cap) { + unsigned long proto_cap = eth_proto_cap; int proto; - for_each_set_bit(proto, (unsigned long *)ð_proto_cap, MLX5E_LINK_MODES_NUMBER) + for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER) bitmap_or(supported_modes, supported_modes, ptys2ethtool_table[proto].supported, __ETHTOOL_LINK_MODE_MASK_NBITS); @@ -670,9 +671,10 @@ static void ptys2ethtool_supported_link(unsigned long *supported_modes, static void ptys2ethtool_adver_link(unsigned long *advertising_modes, u32 eth_proto_cap) { + unsigned long proto_cap = eth_proto_cap; int proto; - for_each_set_bit(proto, (unsigned long *)ð_proto_cap, MLX5E_LINK_MODES_NUMBER) + for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER) bitmap_or(advertising_modes, advertising_modes, ptys2ethtool_table[proto].advertised, __ETHTOOL_LINK_MODE_MASK_NBITS); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index b6f8ebbdb487..e7c969df3dad 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -637,24 +637,32 @@ bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq) static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe, u32 cqe_bcnt) { - struct ethhdr *eth = (struct ethhdr *)(skb->data); - struct iphdr *ipv4 = (struct iphdr *)(skb->data + ETH_HLEN); - struct ipv6hdr *ipv6 = (struct ipv6hdr *)(skb->data + ETH_HLEN); + struct ethhdr *eth = (struct ethhdr *)(skb->data); + struct iphdr *ipv4; + struct ipv6hdr *ipv6; struct tcphdr *tcp; + int network_depth = 0; + __be16 proto; + u16 tot_len; u8 l4_hdr_type = get_cqe_l4_hdr_type(cqe); int tcp_ack = ((CQE_L4_HDR_TYPE_TCP_ACK_NO_DATA == l4_hdr_type) || (CQE_L4_HDR_TYPE_TCP_ACK_AND_DATA == l4_hdr_type)); - u16 tot_len = cqe_bcnt - ETH_HLEN; + skb->mac_len = ETH_HLEN; + proto = __vlan_get_protocol(skb, eth->h_proto, &network_depth); - if (eth->h_proto == htons(ETH_P_IP)) { - tcp = (struct tcphdr *)(skb->data + ETH_HLEN + + ipv4 = (struct iphdr *)(skb->data + network_depth); + ipv6 = (struct ipv6hdr *)(skb->data + network_depth); + tot_len = cqe_bcnt - network_depth; + + if (proto == htons(ETH_P_IP)) { + tcp = (struct tcphdr *)(skb->data + network_depth + sizeof(struct iphdr)); ipv6 = NULL; skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4; } else { - tcp = (struct tcphdr *)(skb->data + ETH_HLEN + + tcp = (struct tcphdr *)(skb->data + network_depth + sizeof(struct ipv6hdr)); ipv4 = NULL; skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 988eca99ee0f..eb0e72537f10 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -356,6 +356,7 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb) sq->stats.stopped++; } + sq->stats.xmit_more += skb->xmit_more; if (!skb->xmit_more || netif_xmit_stopped(sq->txq)) { int bf_sz = 0; @@ -375,7 +376,6 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb) sq->stats.packets++; sq->stats.bytes += num_bytes; - sq->stats.xmit_more += skb->xmit_more; return NETDEV_TX_OK; dma_unmap_wqe_err: diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 6c6b726c4897..a7efd2af2373 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -56,6 +56,7 @@ #include <generated/utsrelease.h> #include <net/pkt_cls.h> #include <net/tc_act/tc_mirred.h> +#include <net/netevent.h> #include "spectrum.h" #include "core.h" @@ -2105,6 +2106,13 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, dev->netdev_ops = &mlxsw_sp_port_netdev_ops; dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops; + err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n", + mlxsw_sp_port->local_port); + goto err_port_swid_set; + } + err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n", @@ -2130,13 +2138,6 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, goto err_port_system_port_mapping_set; } - err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0); - if (err) { - dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n", - mlxsw_sp_port->local_port); - goto err_port_swid_set; - } - err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port, width); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n", @@ -2218,10 +2219,10 @@ err_port_buffers_init: err_port_admin_status_set: err_port_mtu_set: err_port_speed_by_width_set: - mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); -err_port_swid_set: err_port_system_port_mapping_set: err_dev_addr_init: + mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); +err_port_swid_set: free_percpu(mlxsw_sp_port->pcpu_stats); err_alloc_stats: kfree(mlxsw_sp_port->untagged_vlans); @@ -4465,18 +4466,26 @@ static struct notifier_block mlxsw_sp_inetaddr_nb __read_mostly = { .priority = 10, /* Must be called before FIB notifier block */ }; +static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = { + .notifier_call = mlxsw_sp_router_netevent_event, +}; + static int __init mlxsw_sp_module_init(void) { int err; register_netdevice_notifier(&mlxsw_sp_netdevice_nb); register_inetaddr_notifier(&mlxsw_sp_inetaddr_nb); + register_netevent_notifier(&mlxsw_sp_router_netevent_nb); + err = mlxsw_core_driver_register(&mlxsw_sp_driver); if (err) goto err_core_driver_register; return 0; err_core_driver_register: + unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb); + unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb); unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb); return err; } @@ -4484,6 +4493,7 @@ err_core_driver_register: static void __exit mlxsw_sp_module_exit(void) { mlxsw_core_driver_unregister(&mlxsw_sp_driver); + unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb); unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb); unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb); } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 01537d3a1c48..31a2f3df55a6 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -590,6 +590,8 @@ int mlxsw_sp_router_neigh_construct(struct net_device *dev, struct neighbour *n); void mlxsw_sp_router_neigh_destroy(struct net_device *dev, struct neighbour *n); +int mlxsw_sp_router_netevent_event(struct notifier_block *unused, + unsigned long event, void *ptr); int mlxsw_sp_kvdl_alloc(struct mlxsw_sp *mlxsw_sp, unsigned int entry_count); void mlxsw_sp_kvdl_free(struct mlxsw_sp *mlxsw_sp, int entry_index); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 917ddd1e422f..3f5c51da6d3e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -107,6 +107,7 @@ mlxsw_sp_prefix_usage_clear(struct mlxsw_sp_prefix_usage *prefix_usage, } struct mlxsw_sp_fib_key { + struct net_device *dev; unsigned char addr[sizeof(struct in6_addr)]; unsigned char prefix_len; }; @@ -123,7 +124,7 @@ struct mlxsw_sp_fib_entry { struct rhash_head ht_node; struct mlxsw_sp_fib_key key; enum mlxsw_sp_fib_entry_type type; - u8 added:1; + unsigned int ref_count; u16 rif; /* used for action local */ struct mlxsw_sp_vr *vr; struct list_head nexthop_group_node; @@ -171,13 +172,15 @@ static void mlxsw_sp_fib_entry_remove(struct mlxsw_sp_fib *fib, static struct mlxsw_sp_fib_entry * mlxsw_sp_fib_entry_create(struct mlxsw_sp_fib *fib, const void *addr, - size_t addr_len, unsigned char prefix_len) + size_t addr_len, unsigned char prefix_len, + struct net_device *dev) { struct mlxsw_sp_fib_entry *fib_entry; fib_entry = kzalloc(sizeof(*fib_entry), GFP_KERNEL); if (!fib_entry) return NULL; + fib_entry->key.dev = dev; memcpy(fib_entry->key.addr, addr, addr_len); fib_entry->key.prefix_len = prefix_len; return fib_entry; @@ -190,10 +193,13 @@ static void mlxsw_sp_fib_entry_destroy(struct mlxsw_sp_fib_entry *fib_entry) static struct mlxsw_sp_fib_entry * mlxsw_sp_fib_entry_lookup(struct mlxsw_sp_fib *fib, const void *addr, - size_t addr_len, unsigned char prefix_len) + size_t addr_len, unsigned char prefix_len, + struct net_device *dev) { - struct mlxsw_sp_fib_key key = {{ 0 } }; + struct mlxsw_sp_fib_key key; + memset(&key, 0, sizeof(key)); + key.dev = dev; memcpy(key.addr, addr, addr_len); key.prefix_len = prefix_len; return rhashtable_lookup_fast(&fib->ht, &key, mlxsw_sp_fib_ht_params); @@ -938,8 +944,8 @@ static void mlxsw_sp_router_neigh_update_hw(struct work_struct *work) mlxsw_sp_port_dev_put(mlxsw_sp_port); } -static int mlxsw_sp_router_netevent_event(struct notifier_block *unused, - unsigned long event, void *ptr) +int mlxsw_sp_router_netevent_event(struct notifier_block *unused, + unsigned long event, void *ptr) { struct mlxsw_sp_neigh_entry *neigh_entry; struct mlxsw_sp_port *mlxsw_sp_port; @@ -1009,10 +1015,6 @@ static int mlxsw_sp_router_netevent_event(struct notifier_block *unused, return NOTIFY_DONE; } -static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = { - .notifier_call = mlxsw_sp_router_netevent_event, -}; - static int mlxsw_sp_neigh_init(struct mlxsw_sp *mlxsw_sp) { int err; @@ -1027,10 +1029,6 @@ static int mlxsw_sp_neigh_init(struct mlxsw_sp *mlxsw_sp) */ mlxsw_sp_router_neighs_update_interval_init(mlxsw_sp); - err = register_netevent_notifier(&mlxsw_sp_router_netevent_nb); - if (err) - goto err_register_netevent_notifier; - /* Create the delayed works for the activity_update */ INIT_DELAYED_WORK(&mlxsw_sp->router.neighs_update.dw, mlxsw_sp_router_neighs_update_work); @@ -1039,17 +1037,12 @@ static int mlxsw_sp_neigh_init(struct mlxsw_sp *mlxsw_sp) mlxsw_core_schedule_dw(&mlxsw_sp->router.neighs_update.dw, 0); mlxsw_core_schedule_dw(&mlxsw_sp->router.nexthop_probe_dw, 0); return 0; - -err_register_netevent_notifier: - rhashtable_destroy(&mlxsw_sp->router.neigh_ht); - return err; } static void mlxsw_sp_neigh_fini(struct mlxsw_sp *mlxsw_sp) { cancel_delayed_work_sync(&mlxsw_sp->router.neighs_update.dw); cancel_delayed_work_sync(&mlxsw_sp->router.nexthop_probe_dw); - unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb); rhashtable_destroy(&mlxsw_sp->router.neigh_ht); } @@ -1524,7 +1517,14 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp) return err; mlxsw_sp_lpm_init(mlxsw_sp); mlxsw_sp_vrs_init(mlxsw_sp); - return mlxsw_sp_neigh_init(mlxsw_sp); + err = mlxsw_sp_neigh_init(mlxsw_sp); + if (err) + goto err_neigh_init; + return 0; + +err_neigh_init: + __mlxsw_sp_router_fini(mlxsw_sp); + return err; } void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp) @@ -1626,11 +1626,8 @@ static int mlxsw_sp_fib_entry_op(struct mlxsw_sp *mlxsw_sp, static int mlxsw_sp_fib_entry_update(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_fib_entry *fib_entry) { - enum mlxsw_reg_ralue_op op; - - op = !fib_entry->added ? MLXSW_REG_RALUE_OP_WRITE_WRITE : - MLXSW_REG_RALUE_OP_WRITE_UPDATE; - return mlxsw_sp_fib_entry_op(mlxsw_sp, fib_entry, op); + return mlxsw_sp_fib_entry_op(mlxsw_sp, fib_entry, + MLXSW_REG_RALUE_OP_WRITE_WRITE); } static int mlxsw_sp_fib_entry_del(struct mlxsw_sp *mlxsw_sp, @@ -1695,34 +1692,93 @@ mlxsw_sp_router_fib4_entry_fini(struct mlxsw_sp *mlxsw_sp, mlxsw_sp_nexthop_group_put(mlxsw_sp, fib_entry); } -static int -mlxsw_sp_router_fib4_add_prepare(struct mlxsw_sp_port *mlxsw_sp_port, - const struct switchdev_obj_ipv4_fib *fib4, - struct switchdev_trans *trans) +static struct mlxsw_sp_fib_entry * +mlxsw_sp_fib_entry_get(struct mlxsw_sp *mlxsw_sp, + const struct switchdev_obj_ipv4_fib *fib4) { - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - struct mlxsw_sp_router_fib4_add_info *info; struct mlxsw_sp_fib_entry *fib_entry; + struct fib_info *fi = fib4->fi; struct mlxsw_sp_vr *vr; int err; vr = mlxsw_sp_vr_get(mlxsw_sp, fib4->dst_len, fib4->tb_id, MLXSW_SP_L3_PROTO_IPV4); if (IS_ERR(vr)) - return PTR_ERR(vr); + return ERR_CAST(vr); + fib_entry = mlxsw_sp_fib_entry_lookup(vr->fib, &fib4->dst, + sizeof(fib4->dst), + fib4->dst_len, fi->fib_dev); + if (fib_entry) { + /* Already exists, just take a reference */ + fib_entry->ref_count++; + return fib_entry; + } fib_entry = mlxsw_sp_fib_entry_create(vr->fib, &fib4->dst, - sizeof(fib4->dst), fib4->dst_len); + sizeof(fib4->dst), + fib4->dst_len, fi->fib_dev); if (!fib_entry) { err = -ENOMEM; goto err_fib_entry_create; } fib_entry->vr = vr; + fib_entry->ref_count = 1; err = mlxsw_sp_router_fib4_entry_init(mlxsw_sp, fib4, fib_entry); if (err) goto err_fib4_entry_init; + return fib_entry; + +err_fib4_entry_init: + mlxsw_sp_fib_entry_destroy(fib_entry); +err_fib_entry_create: + mlxsw_sp_vr_put(mlxsw_sp, vr); + + return ERR_PTR(err); +} + +static struct mlxsw_sp_fib_entry * +mlxsw_sp_fib_entry_find(struct mlxsw_sp *mlxsw_sp, + const struct switchdev_obj_ipv4_fib *fib4) +{ + struct mlxsw_sp_vr *vr; + + vr = mlxsw_sp_vr_find(mlxsw_sp, fib4->tb_id, MLXSW_SP_L3_PROTO_IPV4); + if (!vr) + return NULL; + + return mlxsw_sp_fib_entry_lookup(vr->fib, &fib4->dst, + sizeof(fib4->dst), fib4->dst_len, + fib4->fi->fib_dev); +} + +void mlxsw_sp_fib_entry_put(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_fib_entry *fib_entry) +{ + struct mlxsw_sp_vr *vr = fib_entry->vr; + + if (--fib_entry->ref_count == 0) { + mlxsw_sp_router_fib4_entry_fini(mlxsw_sp, fib_entry); + mlxsw_sp_fib_entry_destroy(fib_entry); + } + mlxsw_sp_vr_put(mlxsw_sp, vr); +} + +static int +mlxsw_sp_router_fib4_add_prepare(struct mlxsw_sp_port *mlxsw_sp_port, + const struct switchdev_obj_ipv4_fib *fib4, + struct switchdev_trans *trans) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + struct mlxsw_sp_router_fib4_add_info *info; + struct mlxsw_sp_fib_entry *fib_entry; + int err; + + fib_entry = mlxsw_sp_fib_entry_get(mlxsw_sp, fib4); + if (IS_ERR(fib_entry)) + return PTR_ERR(fib_entry); + info = kmalloc(sizeof(*info), GFP_KERNEL); if (!info) { err = -ENOMEM; @@ -1736,11 +1792,7 @@ mlxsw_sp_router_fib4_add_prepare(struct mlxsw_sp_port *mlxsw_sp_port, return 0; err_alloc_info: - mlxsw_sp_router_fib4_entry_fini(mlxsw_sp, fib_entry); -err_fib4_entry_init: - mlxsw_sp_fib_entry_destroy(fib_entry); -err_fib_entry_create: - mlxsw_sp_vr_put(mlxsw_sp, vr); + mlxsw_sp_fib_entry_put(mlxsw_sp, fib_entry); return err; } @@ -1759,11 +1811,14 @@ mlxsw_sp_router_fib4_add_commit(struct mlxsw_sp_port *mlxsw_sp_port, fib_entry = info->fib_entry; kfree(info); + if (fib_entry->ref_count != 1) + return 0; + vr = fib_entry->vr; - err = mlxsw_sp_fib_entry_insert(fib_entry->vr->fib, fib_entry); + err = mlxsw_sp_fib_entry_insert(vr->fib, fib_entry); if (err) goto err_fib_entry_insert; - err = mlxsw_sp_fib_entry_update(mlxsw_sp, fib_entry); + err = mlxsw_sp_fib_entry_update(mlxsw_sp_port->mlxsw_sp, fib_entry); if (err) goto err_fib_entry_add; return 0; @@ -1771,9 +1826,7 @@ mlxsw_sp_router_fib4_add_commit(struct mlxsw_sp_port *mlxsw_sp_port, err_fib_entry_add: mlxsw_sp_fib_entry_remove(vr->fib, fib_entry); err_fib_entry_insert: - mlxsw_sp_router_fib4_entry_fini(mlxsw_sp, fib_entry); - mlxsw_sp_fib_entry_destroy(fib_entry); - mlxsw_sp_vr_put(mlxsw_sp, vr); + mlxsw_sp_fib_entry_put(mlxsw_sp, fib_entry); return err; } @@ -1793,23 +1846,18 @@ int mlxsw_sp_router_fib4_del(struct mlxsw_sp_port *mlxsw_sp_port, { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_fib_entry *fib_entry; - struct mlxsw_sp_vr *vr; - vr = mlxsw_sp_vr_find(mlxsw_sp, fib4->tb_id, MLXSW_SP_L3_PROTO_IPV4); - if (!vr) { - dev_warn(mlxsw_sp->bus_info->dev, "Failed to find virtual router for FIB4 entry being removed.\n"); - return -ENOENT; - } - fib_entry = mlxsw_sp_fib_entry_lookup(vr->fib, &fib4->dst, - sizeof(fib4->dst), fib4->dst_len); + fib_entry = mlxsw_sp_fib_entry_find(mlxsw_sp, fib4); if (!fib_entry) { dev_warn(mlxsw_sp->bus_info->dev, "Failed to find FIB4 entry being removed.\n"); return -ENOENT; } - mlxsw_sp_fib_entry_del(mlxsw_sp_port->mlxsw_sp, fib_entry); - mlxsw_sp_fib_entry_remove(vr->fib, fib_entry); - mlxsw_sp_router_fib4_entry_fini(mlxsw_sp, fib_entry); - mlxsw_sp_fib_entry_destroy(fib_entry); - mlxsw_sp_vr_put(mlxsw_sp, vr); + + if (fib_entry->ref_count == 1) { + mlxsw_sp_fib_entry_del(mlxsw_sp, fib_entry); + mlxsw_sp_fib_entry_remove(fib_entry->vr->fib, fib_entry); + } + + mlxsw_sp_fib_entry_put(mlxsw_sp, fib_entry); return 0; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index 0c3fbbc6b537..7186c4810785 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -167,8 +167,8 @@ static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, } static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, - u16 idx_begin, u16 idx_end, bool set, - bool only_uc) + u16 idx_begin, u16 idx_end, bool uc_set, + bool bm_set) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; u16 local_port = mlxsw_sp_port->local_port; @@ -187,28 +187,22 @@ static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, return -ENOMEM; mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin, - table_type, range, local_port, set); + table_type, range, local_port, uc_set); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); if (err) goto buffer_out; - /* Flooding control allows one to decide whether a given port will - * flood unicast traffic for which there is no FDB entry. - */ - if (only_uc) - goto buffer_out; - mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BM, idx_begin, - table_type, range, local_port, set); + table_type, range, local_port, bm_set); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); if (err) goto err_flood_bm_set; - else - goto buffer_out; + + goto buffer_out; err_flood_bm_set: mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin, - table_type, range, local_port, !set); + table_type, range, local_port, !uc_set); mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); buffer_out: kfree(sftr_pl); @@ -257,8 +251,7 @@ int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid, * the start of the vFIDs range. */ vfid = mlxsw_sp_fid_to_vfid(fid); - return __mlxsw_sp_port_flood_set(mlxsw_sp_vport, vfid, vfid, set, - false); + return __mlxsw_sp_port_flood_set(mlxsw_sp_vport, vfid, vfid, set, set); } static int mlxsw_sp_port_learning_set(struct mlxsw_sp_port *mlxsw_sp_port, @@ -501,6 +494,9 @@ static int __mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port, { struct mlxsw_sp_fid *f; + if (test_bit(fid, mlxsw_sp_port->active_vlans)) + return 0; + f = mlxsw_sp_fid_find(mlxsw_sp_port->mlxsw_sp, fid); if (!f) { f = mlxsw_sp_fid_create(mlxsw_sp_port->mlxsw_sp, fid); @@ -558,7 +554,7 @@ static int mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port, } err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end, - true, false); + mlxsw_sp_port->uc_flood, true); if (err) goto err_port_flood_set; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 88678c172b19..252e4924de0f 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -41,7 +41,6 @@ * Chris Telfer <chris.telfer@netronome.com> */ -#include <linux/version.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -1441,10 +1440,6 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget) nfp_net_set_hash(nn->netdev, skb, rxd); - /* Pad small frames to minimum */ - if (skb_put_padto(skb, 60)) - break; - /* Stats update */ u64_stats_update_begin(&r_vec->rx_sync); r_vec->rx_pkts++; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index 7d7933d00b8f..4c9897220969 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -40,7 +40,6 @@ * Brad Petrus <brad.petrus@netronome.com> */ -#include <linux/version.h> #include <linux/kernel.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> diff --git a/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c b/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c index 37abef016a0a..f7062cb648e1 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c @@ -38,7 +38,6 @@ * Rolf Neugebauer <rolf.neugebauer@netronome.com> */ -#include <linux/version.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -134,7 +133,7 @@ static int nfp_netvf_pci_probe(struct pci_dev *pdev, } nfp_net_get_fw_version(&fw_ver, ctrl_bar); - if (fw_ver.class != NFP_NET_CFG_VERSION_CLASS_GENERIC) { + if (fw_ver.resv || fw_ver.class != NFP_NET_CFG_VERSION_CLASS_GENERIC) { dev_err(&pdev->dev, "Unknown Firmware ABI %d.%d.%d.%d\n", fw_ver.resv, fw_ver.class, fw_ver.major, fw_ver.minor); err = -EINVAL; @@ -142,9 +141,7 @@ static int nfp_netvf_pci_probe(struct pci_dev *pdev, } /* Determine stride */ - if (nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0, 0) || - nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0, 1) || - nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0x12, 0x48)) { + if (nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0, 1)) { stride = 2; tx_bar_no = NFP_NET_Q0_BAR; rx_bar_no = NFP_NET_Q1_BAR; diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c index 12c399b1a40a..130da1c0490b 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c @@ -19,6 +19,7 @@ #include "qed_dcbx.h" #include "qed_hsi.h" #include "qed_sp.h" +#include "qed_sriov.h" #ifdef CONFIG_DCB #include <linux/qed/qed_eth_if.h> #endif @@ -942,6 +943,9 @@ static int qed_dcbx_query_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt; int rc; + if (IS_VF(p_hwfn->cdev)) + return -EINVAL; + p_ptt = qed_ptt_acquire(p_hwfn); if (!p_ptt) return -EBUSY; @@ -981,6 +985,7 @@ qed_dcbx_set_pfc_data(struct qed_hwfn *p_hwfn, if (p_params->pfc.prio[i]) pfc_map |= BIT(i); + *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK; *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT); DP_VERBOSE(p_hwfn, QED_MSG_DCB, "pfc = 0x%x\n", *pfc); @@ -1055,24 +1060,33 @@ qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn, for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { entry = &p_app->app_pri_tbl[i].entry; + *entry = 0; if (ieee) { - *entry &= ~DCBX_APP_SF_IEEE_MASK; + *entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK); switch (p_params->app_entry[i].sf_ieee) { case QED_DCBX_SF_IEEE_ETHTYPE: *entry |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE << DCBX_APP_SF_IEEE_SHIFT); + *entry |= ((u32)DCBX_APP_SF_ETHTYPE << + DCBX_APP_SF_SHIFT); break; case QED_DCBX_SF_IEEE_TCP_PORT: *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT << DCBX_APP_SF_IEEE_SHIFT); + *entry |= ((u32)DCBX_APP_SF_PORT << + DCBX_APP_SF_SHIFT); break; case QED_DCBX_SF_IEEE_UDP_PORT: *entry |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT << DCBX_APP_SF_IEEE_SHIFT); + *entry |= ((u32)DCBX_APP_SF_PORT << + DCBX_APP_SF_SHIFT); break; case QED_DCBX_SF_IEEE_TCP_UDP_PORT: *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT << DCBX_APP_SF_IEEE_SHIFT); + *entry |= ((u32)DCBX_APP_SF_PORT << + DCBX_APP_SF_SHIFT); break; } } else { @@ -1172,7 +1186,7 @@ int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn, return 0; } - dcbx_info = kmalloc(sizeof(*dcbx_info), GFP_KERNEL); + dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL); if (!dcbx_info) return -ENOMEM; @@ -1207,7 +1221,7 @@ static struct qed_dcbx_get *qed_dcbnl_get_dcbx(struct qed_hwfn *hwfn, { struct qed_dcbx_get *dcbx_info; - dcbx_info = kmalloc(sizeof(*dcbx_info), GFP_KERNEL); + dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL); if (!dcbx_info) return NULL; diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index 578bbec1ce18..cd23a2946db7 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -2552,7 +2552,8 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, edev->ops->register_ops(cdev, &qede_ll_ops, edev); #ifdef CONFIG_DCB - qede_set_dcbnl_ops(edev->ndev); + if (!IS_VF(edev)) + qede_set_dcbnl_ops(edev->ndev); #endif INIT_DELAYED_WORK(&edev->sp_task, qede_sp_task); diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 1f8240aec086..440ae272161c 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -201,9 +201,14 @@ static const u16 sh_eth_offset_fast_rz[SH_ETH_MAX_REGISTER_OFFSET] = { [ARSTR] = 0x0000, [TSU_CTRST] = 0x0004, + [TSU_FWSLC] = 0x0038, [TSU_VTAG0] = 0x0058, [TSU_ADSBSY] = 0x0060, [TSU_TEN] = 0x0064, + [TSU_POST1] = 0x0070, + [TSU_POST2] = 0x0074, + [TSU_POST3] = 0x0078, + [TSU_POST4] = 0x007c, [TSU_ADRH0] = 0x0100, [TXNLCR0] = 0x0080, @@ -2781,6 +2786,8 @@ static void sh_eth_tsu_init(struct sh_eth_private *mdp) { if (sh_eth_is_rz_fast_ether(mdp)) { sh_eth_tsu_write(mdp, 0, TSU_TEN); /* Disable all CAM entry */ + sh_eth_tsu_write(mdp, TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL, + TSU_FWSLC); /* Enable POST registers */ return; } diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h index e17671c9d1b0..ea8465467469 100644 --- a/drivers/net/ethernet/smsc/smc91x.h +++ b/drivers/net/ethernet/smsc/smc91x.h @@ -470,7 +470,9 @@ smc_pxa_dma_insw(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma, #endif #if ! SMC_CAN_USE_8BIT +#undef SMC_inb #define SMC_inb(ioaddr, reg) ({ BUG(); 0; }) +#undef SMC_outb #define SMC_outb(x, ioaddr, reg) BUG() #define SMC_insb(a, r, p, l) BUG() #define SMC_outsb(a, r, p, l) BUG() diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index 8ab8d4b9614b..e9b8579e6241 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -1108,15 +1108,8 @@ static int smsc911x_mii_init(struct platform_device *pdev, goto err_out_free_bus_2; } - if (smsc911x_mii_probe(dev) < 0) { - SMSC_WARN(pdata, probe, "Error registering mii bus"); - goto err_out_unregister_bus_3; - } - return 0; -err_out_unregister_bus_3: - mdiobus_unregister(pdata->mii_bus); err_out_free_bus_2: mdiobus_free(pdata->mii_bus); err_out_1: @@ -1523,23 +1516,90 @@ static void smsc911x_disable_irq_chip(struct net_device *dev) smsc911x_reg_write(pdata, INT_STS, 0xFFFFFFFF); } +static irqreturn_t smsc911x_irqhandler(int irq, void *dev_id) +{ + struct net_device *dev = dev_id; + struct smsc911x_data *pdata = netdev_priv(dev); + u32 intsts = smsc911x_reg_read(pdata, INT_STS); + u32 inten = smsc911x_reg_read(pdata, INT_EN); + int serviced = IRQ_NONE; + u32 temp; + + if (unlikely(intsts & inten & INT_STS_SW_INT_)) { + temp = smsc911x_reg_read(pdata, INT_EN); + temp &= (~INT_EN_SW_INT_EN_); + smsc911x_reg_write(pdata, INT_EN, temp); + smsc911x_reg_write(pdata, INT_STS, INT_STS_SW_INT_); + pdata->software_irq_signal = 1; + smp_wmb(); + serviced = IRQ_HANDLED; + } + + if (unlikely(intsts & inten & INT_STS_RXSTOP_INT_)) { + /* Called when there is a multicast update scheduled and + * it is now safe to complete the update */ + SMSC_TRACE(pdata, intr, "RX Stop interrupt"); + smsc911x_reg_write(pdata, INT_STS, INT_STS_RXSTOP_INT_); + if (pdata->multicast_update_pending) + smsc911x_rx_multicast_update_workaround(pdata); + serviced = IRQ_HANDLED; + } + + if (intsts & inten & INT_STS_TDFA_) { + temp = smsc911x_reg_read(pdata, FIFO_INT); + temp |= FIFO_INT_TX_AVAIL_LEVEL_; + smsc911x_reg_write(pdata, FIFO_INT, temp); + smsc911x_reg_write(pdata, INT_STS, INT_STS_TDFA_); + netif_wake_queue(dev); + serviced = IRQ_HANDLED; + } + + if (unlikely(intsts & inten & INT_STS_RXE_)) { + SMSC_TRACE(pdata, intr, "RX Error interrupt"); + smsc911x_reg_write(pdata, INT_STS, INT_STS_RXE_); + serviced = IRQ_HANDLED; + } + + if (likely(intsts & inten & INT_STS_RSFL_)) { + if (likely(napi_schedule_prep(&pdata->napi))) { + /* Disable Rx interrupts */ + temp = smsc911x_reg_read(pdata, INT_EN); + temp &= (~INT_EN_RSFL_EN_); + smsc911x_reg_write(pdata, INT_EN, temp); + /* Schedule a NAPI poll */ + __napi_schedule(&pdata->napi); + } else { + SMSC_WARN(pdata, rx_err, "napi_schedule_prep failed"); + } + serviced = IRQ_HANDLED; + } + + return serviced; +} + static int smsc911x_open(struct net_device *dev) { struct smsc911x_data *pdata = netdev_priv(dev); unsigned int timeout; unsigned int temp; unsigned int intcfg; + int retval; + int irq_flags; - /* if the phy is not yet registered, retry later*/ + /* find and start the given phy */ if (!dev->phydev) { - SMSC_WARN(pdata, hw, "phy_dev is NULL"); - return -EAGAIN; + retval = smsc911x_mii_probe(dev); + if (retval < 0) { + SMSC_WARN(pdata, probe, "Error starting phy"); + goto out; + } } /* Reset the LAN911x */ - if (smsc911x_soft_reset(pdata)) { + retval = smsc911x_soft_reset(pdata); + if (retval) { SMSC_WARN(pdata, hw, "soft reset failed"); - return -EIO; + goto mii_free_out; } smsc911x_reg_write(pdata, HW_CFG, 0x00050000); @@ -1595,6 +1655,15 @@ static int smsc911x_open(struct net_device *dev) pdata->software_irq_signal = 0; smp_wmb(); + irq_flags = irq_get_trigger_type(dev->irq); + retval = request_irq(dev->irq, smsc911x_irqhandler, + irq_flags | IRQF_SHARED, dev->name, dev); + if (retval) { + SMSC_WARN(pdata, probe, + "Unable to claim requested irq: %d", dev->irq); + goto mii_free_out; + } + temp = smsc911x_reg_read(pdata, INT_EN); temp |= INT_EN_SW_INT_EN_; smsc911x_reg_write(pdata, INT_EN, temp); @@ -1609,7 +1678,8 @@ static int smsc911x_open(struct net_device *dev) if (!pdata->software_irq_signal) { netdev_warn(dev, "ISR failed signaling test (IRQ %d)\n", dev->irq); - return -ENODEV; + retval = -ENODEV; + goto irq_stop_out; } SMSC_TRACE(pdata, ifup, "IRQ handler passed test using IRQ %d", dev->irq); @@ -1655,6 +1725,14 @@ static int smsc911x_open(struct net_device *dev) netif_start_queue(dev); return 0; + +irq_stop_out: + free_irq(dev->irq, dev); +mii_free_out: + phy_disconnect(dev->phydev); + dev->phydev = NULL; +out: + return retval; } /* Entry point for stopping the interface */ @@ -1676,9 +1754,15 @@ static int smsc911x_stop(struct net_device *dev) dev->stats.rx_dropped += smsc911x_reg_read(pdata, RX_DROP); smsc911x_tx_update_txcounters(dev); + free_irq(dev->irq, dev); + /* Bring the PHY down */ - if (dev->phydev) + if (dev->phydev) { phy_stop(dev->phydev); + phy_disconnect(dev->phydev); + dev->phydev = NULL; + } + netif_carrier_off(dev); SMSC_TRACE(pdata, ifdown, "Interface stopped"); return 0; @@ -1820,67 +1904,6 @@ static void smsc911x_set_multicast_list(struct net_device *dev) spin_unlock_irqrestore(&pdata->mac_lock, flags); } -static irqreturn_t smsc911x_irqhandler(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct smsc911x_data *pdata = netdev_priv(dev); - u32 intsts = smsc911x_reg_read(pdata, INT_STS); - u32 inten = smsc911x_reg_read(pdata, INT_EN); - int serviced = IRQ_NONE; - u32 temp; - - if (unlikely(intsts & inten & INT_STS_SW_INT_)) { - temp = smsc911x_reg_read(pdata, INT_EN); - temp &= (~INT_EN_SW_INT_EN_); - smsc911x_reg_write(pdata, INT_EN, temp); - smsc911x_reg_write(pdata, INT_STS, INT_STS_SW_INT_); - pdata->software_irq_signal = 1; - smp_wmb(); - serviced = IRQ_HANDLED; - } - - if (unlikely(intsts & inten & INT_STS_RXSTOP_INT_)) { - /* Called when there is a multicast update scheduled and - * it is now safe to complete the update */ - SMSC_TRACE(pdata, intr, "RX Stop interrupt"); - smsc911x_reg_write(pdata, INT_STS, INT_STS_RXSTOP_INT_); - if (pdata->multicast_update_pending) - smsc911x_rx_multicast_update_workaround(pdata); - serviced = IRQ_HANDLED; - } - - if (intsts & inten & INT_STS_TDFA_) { - temp = smsc911x_reg_read(pdata, FIFO_INT); - temp |= FIFO_INT_TX_AVAIL_LEVEL_; - smsc911x_reg_write(pdata, FIFO_INT, temp); - smsc911x_reg_write(pdata, INT_STS, INT_STS_TDFA_); - netif_wake_queue(dev); - serviced = IRQ_HANDLED; - } - - if (unlikely(intsts & inten & INT_STS_RXE_)) { - SMSC_TRACE(pdata, intr, "RX Error interrupt"); - smsc911x_reg_write(pdata, INT_STS, INT_STS_RXE_); - serviced = IRQ_HANDLED; - } - - if (likely(intsts & inten & INT_STS_RSFL_)) { - if (likely(napi_schedule_prep(&pdata->napi))) { - /* Disable Rx interrupts */ - temp = smsc911x_reg_read(pdata, INT_EN); - temp &= (~INT_EN_RSFL_EN_); - smsc911x_reg_write(pdata, INT_EN, temp); - /* Schedule a NAPI poll */ - __napi_schedule(&pdata->napi); - } else { - SMSC_WARN(pdata, rx_err, "napi_schedule_prep failed"); - } - serviced = IRQ_HANDLED; - } - - return serviced; -} - #ifdef CONFIG_NET_POLL_CONTROLLER static void smsc911x_poll_controller(struct net_device *dev) { @@ -2300,16 +2323,14 @@ static int smsc911x_drv_remove(struct platform_device *pdev) pdata = netdev_priv(dev); BUG_ON(!pdata); BUG_ON(!pdata->ioaddr); - BUG_ON(!dev->phydev); + WARN_ON(dev->phydev); SMSC_TRACE(pdata, ifdown, "Stopping driver"); - phy_disconnect(dev->phydev); mdiobus_unregister(pdata->mii_bus); mdiobus_free(pdata->mii_bus); unregister_netdev(dev); - free_irq(dev->irq, dev); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smsc911x-memory"); if (!res) @@ -2394,8 +2415,7 @@ static int smsc911x_drv_probe(struct platform_device *pdev) struct smsc911x_data *pdata; struct smsc911x_platform_config *config = dev_get_platdata(&pdev->dev); struct resource *res; - unsigned int intcfg = 0; - int res_size, irq, irq_flags; + int res_size, irq; int retval; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, @@ -2434,7 +2454,6 @@ static int smsc911x_drv_probe(struct platform_device *pdev) pdata = netdev_priv(dev); dev->irq = irq; - irq_flags = irq_get_trigger_type(irq); pdata->ioaddr = ioremap_nocache(res->start, res_size); pdata->dev = dev; @@ -2481,43 +2500,23 @@ static int smsc911x_drv_probe(struct platform_device *pdev) if (retval < 0) goto out_disable_resources; - /* configure irq polarity and type before connecting isr */ - if (pdata->config.irq_polarity == SMSC911X_IRQ_POLARITY_ACTIVE_HIGH) - intcfg |= INT_CFG_IRQ_POL_; - - if (pdata->config.irq_type == SMSC911X_IRQ_TYPE_PUSH_PULL) - intcfg |= INT_CFG_IRQ_TYPE_; - - smsc911x_reg_write(pdata, INT_CFG, intcfg); - - /* Ensure interrupts are globally disabled before connecting ISR */ - smsc911x_disable_irq_chip(dev); + netif_carrier_off(dev); - retval = request_irq(dev->irq, smsc911x_irqhandler, - irq_flags | IRQF_SHARED, dev->name, dev); + retval = smsc911x_mii_init(pdev, dev); if (retval) { - SMSC_WARN(pdata, probe, - "Unable to claim requested irq: %d", dev->irq); + SMSC_WARN(pdata, probe, "Error %i initialising mii", retval); goto out_disable_resources; } - netif_carrier_off(dev); - retval = register_netdev(dev); if (retval) { SMSC_WARN(pdata, probe, "Error %i registering device", retval); - goto out_free_irq; + goto out_disable_resources; } else { SMSC_TRACE(pdata, probe, "Network interface: \"%s\"", dev->name); } - retval = smsc911x_mii_init(pdev, dev); - if (retval) { - SMSC_WARN(pdata, probe, "Error %i initialising mii", retval); - goto out_unregister_netdev_5; - } - spin_lock_irq(&pdata->mac_lock); /* Check if mac address has been specified when bringing interface up */ @@ -2553,10 +2552,6 @@ static int smsc911x_drv_probe(struct platform_device *pdev) return 0; -out_unregister_netdev_5: - unregister_netdev(dev); -out_free_irq: - free_irq(dev->irq, dev); out_disable_resources: pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); diff --git a/drivers/net/ethernet/synopsys/dwc_eth_qos.c b/drivers/net/ethernet/synopsys/dwc_eth_qos.c index c25d9711a221..ef26f588eeba 100644 --- a/drivers/net/ethernet/synopsys/dwc_eth_qos.c +++ b/drivers/net/ethernet/synopsys/dwc_eth_qos.c @@ -1246,7 +1246,7 @@ static int dwceqos_mii_init(struct net_local *lp) lp->mii_bus->read = &dwceqos_mdio_read; lp->mii_bus->write = &dwceqos_mdio_write; lp->mii_bus->priv = lp; - lp->mii_bus->parent = &lp->ndev->dev; + lp->mii_bus->parent = &lp->pdev->dev; of_address_to_resource(lp->pdev->dev.of_node, 0, &res); snprintf(lp->mii_bus->id, MII_BUS_ID_SIZE, "%.8llx", @@ -2853,25 +2853,17 @@ static int dwceqos_probe(struct platform_device *pdev) ndev->features = ndev->hw_features; - netif_napi_add(ndev, &lp->napi, dwceqos_rx_poll, NAPI_POLL_WEIGHT); - - ret = register_netdev(ndev); - if (ret) { - dev_err(&pdev->dev, "Cannot register net device, aborting.\n"); - goto err_out_clk_dis_aper; - } - lp->phy_ref_clk = devm_clk_get(&pdev->dev, "phy_ref_clk"); if (IS_ERR(lp->phy_ref_clk)) { dev_err(&pdev->dev, "phy_ref_clk clock not found.\n"); ret = PTR_ERR(lp->phy_ref_clk); - goto err_out_unregister_netdev; + goto err_out_clk_dis_aper; } ret = clk_prepare_enable(lp->phy_ref_clk); if (ret) { dev_err(&pdev->dev, "Unable to enable device clock.\n"); - goto err_out_unregister_netdev; + goto err_out_clk_dis_aper; } lp->phy_node = of_parse_phandle(lp->pdev->dev.of_node, @@ -2880,7 +2872,7 @@ static int dwceqos_probe(struct platform_device *pdev) ret = of_phy_register_fixed_link(lp->pdev->dev.of_node); if (ret < 0) { dev_err(&pdev->dev, "invalid fixed-link"); - goto err_out_unregister_clk_notifier; + goto err_out_clk_dis_phy; } lp->phy_node = of_node_get(lp->pdev->dev.of_node); @@ -2889,7 +2881,7 @@ static int dwceqos_probe(struct platform_device *pdev) ret = of_get_phy_mode(lp->pdev->dev.of_node); if (ret < 0) { dev_err(&lp->pdev->dev, "error in getting phy i/f\n"); - goto err_out_unregister_clk_notifier; + goto err_out_clk_dis_phy; } lp->phy_interface = ret; @@ -2897,14 +2889,14 @@ static int dwceqos_probe(struct platform_device *pdev) ret = dwceqos_mii_init(lp); if (ret) { dev_err(&lp->pdev->dev, "error in dwceqos_mii_init\n"); - goto err_out_unregister_clk_notifier; + goto err_out_clk_dis_phy; } ret = dwceqos_mii_probe(ndev); if (ret != 0) { netdev_err(ndev, "mii_probe fail.\n"); ret = -ENXIO; - goto err_out_unregister_clk_notifier; + goto err_out_clk_dis_phy; } dwceqos_set_umac_addr(lp, lp->ndev->dev_addr, 0); @@ -2922,7 +2914,7 @@ static int dwceqos_probe(struct platform_device *pdev) if (ret) { dev_err(&lp->pdev->dev, "Unable to retrieve DT, error %d\n", ret); - goto err_out_unregister_clk_notifier; + goto err_out_clk_dis_phy; } dev_info(&lp->pdev->dev, "pdev->id %d, baseaddr 0x%08lx, irq %d\n", pdev->id, ndev->base_addr, ndev->irq); @@ -2932,18 +2924,24 @@ static int dwceqos_probe(struct platform_device *pdev) if (ret) { dev_err(&lp->pdev->dev, "Unable to request IRQ %d, error %d\n", ndev->irq, ret); - goto err_out_unregister_clk_notifier; + goto err_out_clk_dis_phy; } if (netif_msg_probe(lp)) netdev_dbg(ndev, "net_local@%p\n", lp); + netif_napi_add(ndev, &lp->napi, dwceqos_rx_poll, NAPI_POLL_WEIGHT); + + ret = register_netdev(ndev); + if (ret) { + dev_err(&pdev->dev, "Cannot register net device, aborting.\n"); + goto err_out_clk_dis_phy; + } + return 0; -err_out_unregister_clk_notifier: +err_out_clk_dis_phy: clk_disable_unprepare(lp->phy_ref_clk); -err_out_unregister_netdev: - unregister_netdev(ndev); err_out_clk_dis_aper: clk_disable_unprepare(lp->apb_pclk); err_out_free_netdev: diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 87b566f54cc1..5078a0d0db64 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -320,6 +320,13 @@ config XILINX_GMII2RGMII the Reduced Gigabit Media Independent Interface(RGMII) between Ethernet physical media devices and the Gigabit Ethernet controller. +config MDIO_XGENE + tristate "APM X-Gene SoC MDIO bus controller" + depends on ARCH_XGENE || COMPILE_TEST + help + This module provides a driver for the MDIO busses found in the + APM X-Gene SoC's. + endif # PHYLIB config MICREL_KS8995MA diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 4bfeb9765c55..e7d16687538b 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2780,14 +2780,15 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, struct net_device *lowerdev = NULL; if (conf->flags & VXLAN_F_GPE) { - if (conf->flags & ~VXLAN_F_ALLOWED_GPE) - return -EINVAL; /* For now, allow GPE only together with COLLECT_METADATA. * This can be relaxed later; in such case, the other side * of the PtP link will have to be provided. */ - if (!(conf->flags & VXLAN_F_COLLECT_METADATA)) + if ((conf->flags & ~VXLAN_F_ALLOWED_GPE) || + !(conf->flags & VXLAN_F_COLLECT_METADATA)) { + pr_info("unsupported combination of extensions\n"); return -EINVAL; + } vxlan_raw_setup(dev); } else { @@ -2840,6 +2841,9 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, dev->mtu = lowerdev->mtu - (use_ipv6 ? VXLAN6_HEADROOM : VXLAN_HEADROOM); needed_headroom = lowerdev->hard_header_len; + } else if (vxlan_addr_multicast(&dst->remote_ip)) { + pr_info("multicast destination requires interface to be specified\n"); + return -EINVAL; } if (conf->mtu) { @@ -2872,8 +2876,10 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, tmp->cfg.saddr.sa.sa_family == AF_INET6) == use_ipv6 && tmp->cfg.dst_port == vxlan->cfg.dst_port && (tmp->flags & VXLAN_F_RCV_FLAGS) == - (vxlan->flags & VXLAN_F_RCV_FLAGS)) - return -EEXIST; + (vxlan->flags & VXLAN_F_RCV_FLAGS)) { + pr_info("duplicate VNI %u\n", be32_to_cpu(conf->vni)); + return -EEXIST; + } } dev->ethtool_ops = &vxlan_ethtool_ops; @@ -2907,7 +2913,6 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev, struct nlattr *tb[], struct nlattr *data[]) { struct vxlan_config conf; - int err; memset(&conf, 0, sizeof(conf)); @@ -3016,26 +3021,7 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev, if (tb[IFLA_MTU]) conf.mtu = nla_get_u32(tb[IFLA_MTU]); - err = vxlan_dev_configure(src_net, dev, &conf); - switch (err) { - case -ENODEV: - pr_info("ifindex %d does not exist\n", conf.remote_ifindex); - break; - - case -EPERM: - pr_info("IPv6 is disabled via sysctl\n"); - break; - - case -EEXIST: - pr_info("duplicate VNI %u\n", be32_to_cpu(conf.vni)); - break; - - case -EINVAL: - pr_info("unsupported combination of extensions\n"); - break; - } - - return err; + return vxlan_dev_configure(src_net, dev, &conf); } static void vxlan_dellink(struct net_device *dev, struct list_head *head) diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 78db5d679f19..24c8d65bcf34 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -1525,7 +1525,7 @@ static void ath10k_htt_rx_h_filter(struct ath10k *ar, static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt) { struct ath10k *ar = htt->ar; - static struct ieee80211_rx_status rx_status; + struct ieee80211_rx_status *rx_status = &htt->rx_status; struct sk_buff_head amsdu; int ret; @@ -1549,11 +1549,11 @@ static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt) return ret; } - ath10k_htt_rx_h_ppdu(ar, &amsdu, &rx_status, 0xffff); + ath10k_htt_rx_h_ppdu(ar, &amsdu, rx_status, 0xffff); ath10k_htt_rx_h_unchain(ar, &amsdu, ret > 0); - ath10k_htt_rx_h_filter(ar, &amsdu, &rx_status); - ath10k_htt_rx_h_mpdu(ar, &amsdu, &rx_status); - ath10k_htt_rx_h_deliver(ar, &amsdu, &rx_status); + ath10k_htt_rx_h_filter(ar, &amsdu, rx_status); + ath10k_htt_rx_h_mpdu(ar, &amsdu, rx_status); + ath10k_htt_rx_h_deliver(ar, &amsdu, rx_status); return 0; } diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 9a22c478dd1b..07933c51a850 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -3162,7 +3162,6 @@ static int ath10k_pci_probe(struct pci_dev *pdev, pci_hard_reset = ath10k_pci_qca988x_chip_reset; break; case QCA9887_1_0_DEVICE_ID: - dev_warn(&pdev->dev, "QCA9887 support is still experimental, there are likely bugs. You have been warned.\n"); hw_rev = ATH10K_HW_QCA9887; pci_ps = false; pci_soft_reset = ath10k_pci_warm_reset; diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index d1d0c06d627c..14b13f07cd1f 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2482,6 +2482,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) return -EINVAL; } + ath9k_gpio_cap_init(ah); + if (AR_SREV_9485(ah) || AR_SREV_9285(ah) || AR_SREV_9330(ah) || @@ -2531,8 +2533,6 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) else pCap->hw_caps &= ~ATH9K_HW_CAP_HT; - ath9k_gpio_cap_init(ah); - if (AR_SREV_9160_10_OR_LATER(ah) || AR_SREV_9100(ah)) pCap->rts_aggr_limit = ATH_AMPDU_LIMIT_MAX; else diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index a394622c9022..7cb65c303f8d 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -718,9 +718,12 @@ static int ath9k_start(struct ieee80211_hw *hw) if (!ath_complete_reset(sc, false)) ah->reset_power_on = false; - if (ah->led_pin >= 0) + if (ah->led_pin >= 0) { ath9k_hw_set_gpio(ah, ah->led_pin, (ah->config.led_active_high) ? 1 : 0); + ath9k_hw_gpio_request_out(ah, ah->led_pin, NULL, + AR_GPIO_OUTPUT_MUX_AS_OUTPUT); + } /* * Reset key cache to sane defaults (all entries cleared) instead of @@ -864,9 +867,11 @@ static void ath9k_stop(struct ieee80211_hw *hw) spin_lock_bh(&sc->sc_pcu_lock); - if (ah->led_pin >= 0) + if (ah->led_pin >= 0) { ath9k_hw_set_gpio(ah, ah->led_pin, (ah->config.led_active_high) ? 0 : 1); + ath9k_hw_gpio_request_in(ah, ah->led_pin, NULL); + } ath_prepare_reset(sc); @@ -1154,6 +1159,7 @@ void ath9k_calculate_summary_state(struct ath_softc *sc, bool changed = (iter_data.primary_sta != ctx->primary_sta); if (iter_data.primary_sta) { + iter_data.primary_beacon_vif = iter_data.primary_sta; iter_data.beacons = true; ath9k_set_assoc_state(sc, iter_data.primary_sta, changed); @@ -1563,13 +1569,13 @@ static int ath9k_sta_state(struct ieee80211_hw *hw, struct ath_common *common = ath9k_hw_common(sc->sc_ah); int ret = 0; - if (old_state == IEEE80211_STA_AUTH && - new_state == IEEE80211_STA_ASSOC) { + if (old_state == IEEE80211_STA_NOTEXIST && + new_state == IEEE80211_STA_NONE) { ret = ath9k_sta_add(hw, vif, sta); ath_dbg(common, CONFIG, "Add station: %pM\n", sta->addr); - } else if (old_state == IEEE80211_STA_ASSOC && - new_state == IEEE80211_STA_AUTH) { + } else if (old_state == IEEE80211_STA_NONE && + new_state == IEEE80211_STA_NOTEXIST) { ret = ath9k_sta_remove(hw, vif, sta); ath_dbg(common, CONFIG, "Remove station: %pM\n", sta->addr); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 2628d5e12c64..b8aec5e5ef93 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -4527,7 +4527,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, (u8 *)&settings->beacon.head[ie_offset], settings->beacon.head_len - ie_offset, WLAN_EID_SSID); - if (!ssid_ie) + if (!ssid_ie || ssid_ie->len > IEEE80211_MAX_SSID_LEN) return -EINVAL; memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len); @@ -5635,7 +5635,7 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, ifevent->action, ifevent->flags, ifevent->ifidx, ifevent->bsscfgidx); - mutex_lock(&event->vif_event_lock); + spin_lock(&event->vif_event_lock); event->action = ifevent->action; vif = event->vif; @@ -5643,7 +5643,7 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, case BRCMF_E_IF_ADD: /* waiting process may have timed out */ if (!cfg->vif_event.vif) { - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); return -EBADF; } @@ -5654,24 +5654,24 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, ifp->ndev->ieee80211_ptr = &vif->wdev; SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy)); } - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); wake_up(&event->vif_wq); return 0; case BRCMF_E_IF_DEL: - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); /* event may not be upon user request */ if (brcmf_cfg80211_vif_event_armed(cfg)) wake_up(&event->vif_wq); return 0; case BRCMF_E_IF_CHANGE: - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); wake_up(&event->vif_wq); return 0; default: - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); break; } return -EINVAL; @@ -5792,7 +5792,7 @@ static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) static void init_vif_event(struct brcmf_cfg80211_vif_event *event) { init_waitqueue_head(&event->vif_wq); - mutex_init(&event->vif_event_lock); + spin_lock_init(&event->vif_event_lock); } static s32 brcmf_dongle_roam(struct brcmf_if *ifp) @@ -6691,9 +6691,9 @@ static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event, { u8 evt_action; - mutex_lock(&event->vif_event_lock); + spin_lock(&event->vif_event_lock); evt_action = event->action; - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); return evt_action == action; } @@ -6702,10 +6702,10 @@ void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, { struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; - mutex_lock(&event->vif_event_lock); + spin_lock(&event->vif_event_lock); event->vif = vif; event->action = 0; - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); } bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg) @@ -6713,9 +6713,9 @@ bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg) struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; bool armed; - mutex_lock(&event->vif_event_lock); + spin_lock(&event->vif_event_lock); armed = event->vif != NULL; - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); return armed; } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h index 7d77f869b7f1..8889832c17e0 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h @@ -227,7 +227,7 @@ struct escan_info { */ struct brcmf_cfg80211_vif_event { wait_queue_head_t vif_wq; - struct mutex vif_event_lock; + spinlock_t vif_event_lock; u8 action; struct brcmf_cfg80211_vif *vif; }; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index 8d16f0204985..65e8c8766441 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -743,7 +743,7 @@ static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx, * serious troublesome side effects. The p2p module will clean * up the ifp if needed. */ - brcmf_p2p_ifp_removed(ifp); + brcmf_p2p_ifp_removed(ifp, rtnl_locked); kfree(ifp); } } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c index 66f942f7448e..de19c7c92bc6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c @@ -2297,7 +2297,7 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) return err; } -void brcmf_p2p_ifp_removed(struct brcmf_if *ifp) +void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked) { struct brcmf_cfg80211_info *cfg; struct brcmf_cfg80211_vif *vif; @@ -2306,9 +2306,11 @@ void brcmf_p2p_ifp_removed(struct brcmf_if *ifp) vif = ifp->vif; cfg = wdev_to_cfg(&vif->wdev); cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; - rtnl_lock(); + if (!rtnl_locked) + rtnl_lock(); cfg80211_unregister_wdev(&vif->wdev); - rtnl_unlock(); + if (!rtnl_locked) + rtnl_unlock(); brcmf_free_vif(vif); } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h index a3bd18c2360b..8ce9447533ef 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h @@ -155,7 +155,7 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev); int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg, enum brcmf_fil_p2p_if_types if_type); -void brcmf_p2p_ifp_removed(struct brcmf_if *ifp); +void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked); int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev); void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev); int brcmf_p2p_scan_prep(struct wiphy *wiphy, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c index 1abcabb9b6cd..46b52bf705fb 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c @@ -960,5 +960,6 @@ int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id) } mvm->fw_dbg_conf = conf_id; - return ret; + + return 0; } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h index f7dff7612c9c..e9f1be9da7d4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h @@ -105,7 +105,8 @@ iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig, { u32 trig_vif = le32_to_cpu(trig->vif_type); - return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif; + return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || + ieee80211_vif_type_p2p(vif) == trig_vif; } static inline bool diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 6d6064534d59..5dd77e336617 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -624,6 +624,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | NL80211_FEATURE_LOW_PRIORITY_SCAN | NL80211_FEATURE_P2P_GO_OPPPS | + NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | NL80211_FEATURE_DYNAMIC_SMPS | NL80211_FEATURE_STATIC_SMPS | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index b4fc86d5d7ef..6a615bb73042 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -467,6 +467,8 @@ struct iwl_mvm_vif { static inline struct iwl_mvm_vif * iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif) { + if (!vif) + return NULL; return (void *)vif->drv_priv; } diff --git a/drivers/net/wireless/marvell/mwifiex/11n_aggr.c b/drivers/net/wireless/marvell/mwifiex/11n_aggr.c index dc49c3de1f25..c47d6366875d 100644 --- a/drivers/net/wireless/marvell/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/marvell/mwifiex/11n_aggr.c @@ -205,7 +205,8 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, do { /* Check if AMSDU can accommodate this MSDU */ - if (skb_tailroom(skb_aggr) < (skb_src->len + LLC_SNAP_LEN)) + if ((skb_aggr->len + skb_src->len + LLC_SNAP_LEN) > + adapter->tx_buf_size) break; skb_src = skb_dequeue(&pra_list->skb_head); diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index 458daf927336..935866fe5ec2 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -185,8 +185,12 @@ long nvdimm_clear_poison(struct device *dev, phys_addr_t phys, return -ENXIO; nd_desc = nvdimm_bus->nd_desc; + /* + * if ndctl does not exist, it's PMEM_LEGACY and + * we want to just pretend everything is handled. + */ if (!nd_desc->ndctl) - return -ENXIO; + return len; memset(&ars_cap, 0, sizeof(ars_cap)); ars_cap.address = phys; diff --git a/drivers/nvme/host/Kconfig b/drivers/nvme/host/Kconfig index db39d53cdfb9..f7d37a62f874 100644 --- a/drivers/nvme/host/Kconfig +++ b/drivers/nvme/host/Kconfig @@ -30,8 +30,8 @@ config NVME_FABRICS config NVME_RDMA tristate "NVM Express over Fabrics RDMA host driver" - depends on INFINIBAND - depends on BLK_DEV_NVME + depends on INFINIBAND && BLOCK + select NVME_CORE select NVME_FABRICS select SG_POOL help diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index dc996761042f..4eff49174466 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -47,8 +47,10 @@ static struct nvmf_host *nvmf_host_add(const char *hostnqn) mutex_lock(&nvmf_hosts_mutex); host = __nvmf_host_find(hostnqn); - if (host) + if (host) { + kref_get(&host->ref); goto out_unlock; + } host = kmalloc(sizeof(*host), GFP_KERNEL); if (!host) @@ -56,7 +58,7 @@ static struct nvmf_host *nvmf_host_add(const char *hostnqn) kref_init(&host->ref); memcpy(host->nqn, hostnqn, NVMF_NQN_SIZE); - uuid_le_gen(&host->id); + uuid_be_gen(&host->id); list_add_tail(&host->list, &nvmf_hosts); out_unlock: @@ -73,9 +75,9 @@ static struct nvmf_host *nvmf_host_default(void) return NULL; kref_init(&host->ref); - uuid_le_gen(&host->id); + uuid_be_gen(&host->id); snprintf(host->nqn, NVMF_NQN_SIZE, - "nqn.2014-08.org.nvmexpress:NVMf:uuid:%pUl", &host->id); + "nqn.2014-08.org.nvmexpress:NVMf:uuid:%pUb", &host->id); mutex_lock(&nvmf_hosts_mutex); list_add_tail(&host->list, &nvmf_hosts); @@ -363,7 +365,14 @@ int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl) cmd.connect.opcode = nvme_fabrics_command; cmd.connect.fctype = nvme_fabrics_type_connect; cmd.connect.qid = 0; - cmd.connect.sqsize = cpu_to_le16(ctrl->sqsize); + + /* + * fabrics spec sets a minimum of depth 32 for admin queue, + * so set the queue with this depth always until + * justification otherwise. + */ + cmd.connect.sqsize = cpu_to_le16(NVMF_AQ_DEPTH - 1); + /* * Set keep-alive timeout in seconds granularity (ms * 1000) * and add a grace period for controller kato enforcement @@ -375,7 +384,7 @@ int nvmf_connect_admin_queue(struct nvme_ctrl *ctrl) if (!data) return -ENOMEM; - memcpy(&data->hostid, &ctrl->opts->host->id, sizeof(uuid_le)); + memcpy(&data->hostid, &ctrl->opts->host->id, sizeof(uuid_be)); data->cntlid = cpu_to_le16(0xffff); strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE); strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE); @@ -434,7 +443,7 @@ int nvmf_connect_io_queue(struct nvme_ctrl *ctrl, u16 qid) if (!data) return -ENOMEM; - memcpy(&data->hostid, &ctrl->opts->host->id, sizeof(uuid_le)); + memcpy(&data->hostid, &ctrl->opts->host->id, sizeof(uuid_be)); data->cntlid = cpu_to_le16(ctrl->cntlid); strncpy(data->subsysnqn, ctrl->opts->subsysnqn, NVMF_NQN_SIZE); strncpy(data->hostnqn, ctrl->opts->host->nqn, NVMF_NQN_SIZE); diff --git a/drivers/nvme/host/fabrics.h b/drivers/nvme/host/fabrics.h index 89df52c8be97..46e460aee52d 100644 --- a/drivers/nvme/host/fabrics.h +++ b/drivers/nvme/host/fabrics.h @@ -34,7 +34,7 @@ struct nvmf_host { struct kref ref; struct list_head list; char nqn[NVMF_NQN_SIZE]; - uuid_le id; + uuid_be id; }; /** diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 8d2875b4c56d..ab545fb347a0 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -43,10 +43,6 @@ #define NVME_RDMA_MAX_INLINE_SEGMENTS 1 -#define NVME_RDMA_MAX_PAGES_PER_MR 512 - -#define NVME_RDMA_DEF_RECONNECT_DELAY 20 - /* * We handle AEN commands ourselves and don't even let the * block layer know about them. @@ -77,7 +73,6 @@ struct nvme_rdma_request { u32 num_sge; int nents; bool inline_data; - bool need_inval; struct ib_reg_wr reg_wr; struct ib_cqe reg_cqe; struct nvme_rdma_queue *queue; @@ -286,7 +281,7 @@ static int nvme_rdma_reinit_request(void *data, struct request *rq) struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq); int ret = 0; - if (!req->need_inval) + if (!req->mr->need_inval) goto out; ib_dereg_mr(req->mr); @@ -298,7 +293,7 @@ static int nvme_rdma_reinit_request(void *data, struct request *rq) req->mr = NULL; } - req->need_inval = false; + req->mr->need_inval = false; out: return ret; @@ -645,7 +640,8 @@ static int nvme_rdma_init_io_queues(struct nvme_rdma_ctrl *ctrl) int i, ret; for (i = 1; i < ctrl->queue_count; i++) { - ret = nvme_rdma_init_queue(ctrl, i, ctrl->ctrl.sqsize); + ret = nvme_rdma_init_queue(ctrl, i, + ctrl->ctrl.opts->queue_size); if (ret) { dev_info(ctrl->ctrl.device, "failed to initialize i/o queue: %d\n", ret); @@ -849,7 +845,7 @@ static void nvme_rdma_unmap_data(struct nvme_rdma_queue *queue, if (!blk_rq_bytes(rq)) return; - if (req->need_inval) { + if (req->mr->need_inval) { res = nvme_rdma_inv_rkey(queue, req); if (res < 0) { dev_err(ctrl->ctrl.device, @@ -935,7 +931,7 @@ static int nvme_rdma_map_sg_fr(struct nvme_rdma_queue *queue, IB_ACCESS_REMOTE_READ | IB_ACCESS_REMOTE_WRITE; - req->need_inval = true; + req->mr->need_inval = true; sg->addr = cpu_to_le64(req->mr->iova); put_unaligned_le24(req->mr->length, sg->length); @@ -958,7 +954,7 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue, req->num_sge = 1; req->inline_data = false; - req->need_inval = false; + req->mr->need_inval = false; c->common.flags |= NVME_CMD_SGL_METABUF; @@ -1145,7 +1141,7 @@ static int nvme_rdma_process_nvme_rsp(struct nvme_rdma_queue *queue, if ((wc->wc_flags & IB_WC_WITH_INVALIDATE) && wc->ex.invalidate_rkey == req->mr->rkey) - req->need_inval = false; + req->mr->need_inval = false; blk_mq_complete_request(rq, status); @@ -1278,8 +1274,22 @@ static int nvme_rdma_route_resolved(struct nvme_rdma_queue *queue) priv.recfmt = cpu_to_le16(NVME_RDMA_CM_FMT_1_0); priv.qid = cpu_to_le16(nvme_rdma_queue_idx(queue)); - priv.hrqsize = cpu_to_le16(queue->queue_size); - priv.hsqsize = cpu_to_le16(queue->queue_size); + /* + * set the admin queue depth to the minimum size + * specified by the Fabrics standard. + */ + if (priv.qid == 0) { + priv.hrqsize = cpu_to_le16(NVMF_AQ_DEPTH); + priv.hsqsize = cpu_to_le16(NVMF_AQ_DEPTH - 1); + } else { + /* + * current interpretation of the fabrics spec + * is at minimum you make hrqsize sqsize+1, or a + * 1's based representation of sqsize. + */ + priv.hrqsize = cpu_to_le16(queue->queue_size); + priv.hsqsize = cpu_to_le16(queue->ctrl->ctrl.sqsize); + } ret = rdma_connect(queue->cm_id, ¶m); if (ret) { @@ -1319,7 +1329,7 @@ out_destroy_queue_ib: static int nvme_rdma_device_unplug(struct nvme_rdma_queue *queue) { struct nvme_rdma_ctrl *ctrl = queue->ctrl; - int ret; + int ret = 0; /* Own the controller deletion */ if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING)) @@ -1461,7 +1471,7 @@ static int nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx, if (rq->cmd_type == REQ_TYPE_FS && req_op(rq) == REQ_OP_FLUSH) flush = true; ret = nvme_rdma_post_send(queue, sqe, req->sge, req->num_sge, - req->need_inval ? &req->reg_wr.wr : NULL, flush); + req->mr->need_inval ? &req->reg_wr.wr : NULL, flush); if (ret) { nvme_rdma_unmap_data(queue, rq); goto err; @@ -1816,7 +1826,7 @@ static int nvme_rdma_create_io_queues(struct nvme_rdma_ctrl *ctrl) memset(&ctrl->tag_set, 0, sizeof(ctrl->tag_set)); ctrl->tag_set.ops = &nvme_rdma_mq_ops; - ctrl->tag_set.queue_depth = ctrl->ctrl.sqsize; + ctrl->tag_set.queue_depth = ctrl->ctrl.opts->queue_size; ctrl->tag_set.reserved_tags = 1; /* fabric connect */ ctrl->tag_set.numa_node = NUMA_NO_NODE; ctrl->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; @@ -1914,7 +1924,7 @@ static struct nvme_ctrl *nvme_rdma_create_ctrl(struct device *dev, spin_lock_init(&ctrl->lock); ctrl->queue_count = opts->nr_io_queues + 1; /* +1 for admin queue */ - ctrl->ctrl.sqsize = opts->queue_size; + ctrl->ctrl.sqsize = opts->queue_size - 1; ctrl->ctrl.kato = opts->kato; ret = -ENOMEM; diff --git a/drivers/nvme/target/Kconfig b/drivers/nvme/target/Kconfig index a5c31cbeb481..3a5b9d0576cb 100644 --- a/drivers/nvme/target/Kconfig +++ b/drivers/nvme/target/Kconfig @@ -15,8 +15,8 @@ config NVME_TARGET config NVME_TARGET_LOOP tristate "NVMe loopback device support" - depends on BLK_DEV_NVME depends on NVME_TARGET + select NVME_CORE select NVME_FABRICS select SG_POOL help diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index 7affd40a6b33..395e60dad835 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -556,7 +556,7 @@ static int nvme_loop_create_io_queues(struct nvme_loop_ctrl *ctrl) memset(&ctrl->tag_set, 0, sizeof(ctrl->tag_set)); ctrl->tag_set.ops = &nvme_loop_mq_ops; - ctrl->tag_set.queue_depth = ctrl->ctrl.sqsize; + ctrl->tag_set.queue_depth = ctrl->ctrl.opts->queue_size; ctrl->tag_set.reserved_tags = 1; /* fabric connect */ ctrl->tag_set.numa_node = NUMA_NO_NODE; ctrl->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; @@ -620,7 +620,7 @@ static struct nvme_ctrl *nvme_loop_create_ctrl(struct device *dev, ret = -ENOMEM; - ctrl->ctrl.sqsize = opts->queue_size; + ctrl->ctrl.sqsize = opts->queue_size - 1; ctrl->ctrl.kato = opts->kato; ctrl->queues = kcalloc(opts->nr_io_queues + 1, sizeof(*ctrl->queues), diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c index b4d648536c3e..1cbe6e053b5b 100644 --- a/drivers/nvme/target/rdma.c +++ b/drivers/nvme/target/rdma.c @@ -978,10 +978,11 @@ static void nvmet_rdma_release_queue_work(struct work_struct *w) container_of(w, struct nvmet_rdma_queue, release_work); struct rdma_cm_id *cm_id = queue->cm_id; struct nvmet_rdma_device *dev = queue->dev; + enum nvmet_rdma_queue_state state = queue->state; nvmet_rdma_free_queue(queue); - if (queue->state != NVMET_RDMA_IN_DEVICE_REMOVAL) + if (state != NVMET_RDMA_IN_DEVICE_REMOVAL) rdma_destroy_id(cm_id); kref_put(&dev->ref, nvmet_rdma_free_dev); @@ -1003,10 +1004,10 @@ nvmet_rdma_parse_cm_connect_req(struct rdma_conn_param *conn, queue->host_qid = le16_to_cpu(req->qid); /* - * req->hsqsize corresponds to our recv queue size + * req->hsqsize corresponds to our recv queue size plus 1 * req->hrqsize corresponds to our send queue size */ - queue->recv_queue_size = le16_to_cpu(req->hsqsize); + queue->recv_queue_size = le16_to_cpu(req->hsqsize) + 1; queue->send_queue_size = le16_to_cpu(req->hrqsize); if (!queue->host_qid && queue->recv_queue_size > NVMF_AQ_DEPTH) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 37ff0158e45f..44e0ff37480b 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3327,9 +3327,9 @@ static void quirk_apple_wait_for_thunderbolt(struct pci_dev *dev) if (nhi->vendor != PCI_VENDOR_ID_INTEL || (nhi->device != PCI_DEVICE_ID_INTEL_LIGHT_RIDGE && nhi->device != PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C && + nhi->device != PCI_DEVICE_ID_INTEL_FALCON_RIDGE_2C_NHI && nhi->device != PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_NHI) - || nhi->subsystem_vendor != 0x2222 - || nhi->subsystem_device != 0x1111) + || nhi->class != PCI_CLASS_SYSTEM_OTHER << 8) goto out; dev_info(&dev->dev, "quirk: waiting for thunderbolt to reestablish PCI tunnels...\n"); device_pm_wait_for_dev(&dev->dev, &nhi->dev); @@ -3344,6 +3344,9 @@ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C, quirk_apple_wait_for_thunderbolt); DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_INTEL, + PCI_DEVICE_ID_INTEL_FALCON_RIDGE_2C_BRIDGE, + quirk_apple_wait_for_thunderbolt); +DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_BRIDGE, quirk_apple_wait_for_thunderbolt); #endif diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c index c494613c1909..f5e1008a223d 100644 --- a/drivers/perf/arm_pmu.c +++ b/drivers/perf/arm_pmu.c @@ -925,6 +925,7 @@ static int of_pmu_irq_cfg(struct arm_pmu *pmu) if (i > 0 && spi != using_spi) { pr_err("PPI/SPI IRQ type mismatch for %s!\n", dn->name); + of_node_put(dn); kfree(irqs); return -EINVAL; } @@ -969,7 +970,7 @@ static int of_pmu_irq_cfg(struct arm_pmu *pmu) if (cpumask_weight(&pmu->supported_cpus) == 0) { int irq = platform_get_irq(pdev, 0); - if (irq_is_percpu(irq)) { + if (irq >= 0 && irq_is_percpu(irq)) { /* If using PPIs, check the affinity of the partition */ int ret; diff --git a/drivers/phy/phy-brcm-sata.c b/drivers/phy/phy-brcm-sata.c index 18d662610075..8ffc44afdb75 100644 --- a/drivers/phy/phy-brcm-sata.c +++ b/drivers/phy/phy-brcm-sata.c @@ -367,7 +367,7 @@ static int brcm_sata_phy_init(struct phy *phy) rc = -ENODEV; }; - return 0; + return rc; } static const struct phy_ops phy_ops = { diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c index 0a45bc6088ae..8c7eb335622e 100644 --- a/drivers/phy/phy-sun4i-usb.c +++ b/drivers/phy/phy-sun4i-usb.c @@ -40,6 +40,7 @@ #include <linux/power_supply.h> #include <linux/regulator/consumer.h> #include <linux/reset.h> +#include <linux/usb/of.h> #include <linux/workqueue.h> #define REG_ISCR 0x00 @@ -110,6 +111,7 @@ struct sun4i_usb_phy_cfg { struct sun4i_usb_phy_data { void __iomem *base; const struct sun4i_usb_phy_cfg *cfg; + enum usb_dr_mode dr_mode; struct mutex mutex; struct sun4i_usb_phy { struct phy *phy; @@ -120,6 +122,7 @@ struct sun4i_usb_phy_data { bool regulator_on; int index; } phys[MAX_PHYS]; + int first_phy; /* phy0 / otg related variables */ struct extcon_dev *extcon; bool phy0_init; @@ -285,16 +288,10 @@ static int sun4i_usb_phy_init(struct phy *_phy) sun4i_usb_phy0_update_iscr(_phy, 0, ISCR_DPDM_PULLUP_EN); sun4i_usb_phy0_update_iscr(_phy, 0, ISCR_ID_PULLUP_EN); - if (data->id_det_gpio) { - /* OTG mode, force ISCR and cable state updates */ - data->id_det = -1; - data->vbus_det = -1; - queue_delayed_work(system_wq, &data->detect, 0); - } else { - /* Host only mode */ - sun4i_usb_phy0_set_id_detect(_phy, 0); - sun4i_usb_phy0_set_vbus_detect(_phy, 1); - } + /* Force ISCR and cable state updates */ + data->id_det = -1; + data->vbus_det = -1; + queue_delayed_work(system_wq, &data->detect, 0); } return 0; @@ -319,6 +316,19 @@ static int sun4i_usb_phy_exit(struct phy *_phy) return 0; } +static int sun4i_usb_phy0_get_id_det(struct sun4i_usb_phy_data *data) +{ + switch (data->dr_mode) { + case USB_DR_MODE_OTG: + return gpiod_get_value_cansleep(data->id_det_gpio); + case USB_DR_MODE_HOST: + return 0; + case USB_DR_MODE_PERIPHERAL: + default: + return 1; + } +} + static int sun4i_usb_phy0_get_vbus_det(struct sun4i_usb_phy_data *data) { if (data->vbus_det_gpio) @@ -432,7 +442,10 @@ static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work) struct phy *phy0 = data->phys[0].phy; int id_det, vbus_det, id_notify = 0, vbus_notify = 0; - id_det = gpiod_get_value_cansleep(data->id_det_gpio); + if (phy0 == NULL) + return; + + id_det = sun4i_usb_phy0_get_id_det(data); vbus_det = sun4i_usb_phy0_get_vbus_det(data); mutex_lock(&phy0->mutex); @@ -448,7 +461,8 @@ static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work) * without vbus detection report vbus low for long enough for * the musb-ip to end the current device session. */ - if (!sun4i_usb_phy0_have_vbus_det(data) && id_det == 0) { + if (data->dr_mode == USB_DR_MODE_OTG && + !sun4i_usb_phy0_have_vbus_det(data) && id_det == 0) { sun4i_usb_phy0_set_vbus_detect(phy0, 0); msleep(200); sun4i_usb_phy0_set_vbus_detect(phy0, 1); @@ -474,7 +488,8 @@ static void sun4i_usb_phy0_id_vbus_det_scan(struct work_struct *work) * without vbus detection report vbus low for long enough to * the musb-ip to end the current host session. */ - if (!sun4i_usb_phy0_have_vbus_det(data) && id_det == 1) { + if (data->dr_mode == USB_DR_MODE_OTG && + !sun4i_usb_phy0_have_vbus_det(data) && id_det == 1) { mutex_lock(&phy0->mutex); sun4i_usb_phy0_set_vbus_detect(phy0, 0); msleep(1000); @@ -519,7 +534,8 @@ static struct phy *sun4i_usb_phy_xlate(struct device *dev, { struct sun4i_usb_phy_data *data = dev_get_drvdata(dev); - if (args->args[0] >= data->cfg->num_phys) + if (args->args[0] < data->first_phy || + args->args[0] >= data->cfg->num_phys) return ERR_PTR(-ENODEV); return data->phys[args->args[0]].phy; @@ -593,13 +609,17 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev) return -EPROBE_DEFER; } - /* vbus_det without id_det makes no sense, and is not supported */ - if (sun4i_usb_phy0_have_vbus_det(data) && !data->id_det_gpio) { - dev_err(dev, "usb0_id_det missing or invalid\n"); - return -ENODEV; - } - - if (data->id_det_gpio) { + data->dr_mode = of_usb_get_dr_mode_by_phy(np, 0); + switch (data->dr_mode) { + case USB_DR_MODE_OTG: + /* otg without id_det makes no sense, and is not supported */ + if (!data->id_det_gpio) { + dev_err(dev, "usb0_id_det missing or invalid\n"); + return -ENODEV; + } + /* fall through */ + case USB_DR_MODE_HOST: + case USB_DR_MODE_PERIPHERAL: data->extcon = devm_extcon_dev_allocate(dev, sun4i_usb_phy0_cable); if (IS_ERR(data->extcon)) @@ -610,9 +630,13 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev) dev_err(dev, "failed to register extcon: %d\n", ret); return ret; } + break; + default: + dev_info(dev, "dr_mode unknown, not registering usb phy0\n"); + data->first_phy = 1; } - for (i = 0; i < data->cfg->num_phys; i++) { + for (i = data->first_phy; i < data->cfg->num_phys; i++) { struct sun4i_usb_phy *phy = data->phys + i; char name[16]; diff --git a/drivers/phy/phy-sun9i-usb.c b/drivers/phy/phy-sun9i-usb.c index ac4f31abefe3..28fce4bce638 100644 --- a/drivers/phy/phy-sun9i-usb.c +++ b/drivers/phy/phy-sun9i-usb.c @@ -141,9 +141,9 @@ static int sun9i_usb_phy_probe(struct platform_device *pdev) } phy->hsic_clk = devm_clk_get(dev, "hsic_12M"); - if (IS_ERR(phy->clk)) { + if (IS_ERR(phy->hsic_clk)) { dev_err(dev, "failed to get hsic_12M clock\n"); - return PTR_ERR(phy->clk); + return PTR_ERR(phy->hsic_clk); } phy->reset = devm_reset_control_get(dev, "hsic"); diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 5749a4eee746..0fe8fad25e4d 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1539,12 +1539,11 @@ static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) offset += range->npins; } - /* Mask and clear all interrupts */ - chv_writel(0, pctrl->regs + CHV_INTMASK); + /* Clear all interrupts */ chv_writel(0xffff, pctrl->regs + CHV_INTSTAT); ret = gpiochip_irqchip_add(chip, &chv_gpio_irqchip, 0, - handle_simple_irq, IRQ_TYPE_NONE); + handle_bad_irq, IRQ_TYPE_NONE); if (ret) { dev_err(pctrl->dev, "failed to add IRQ chip\n"); goto fail; diff --git a/drivers/pinctrl/pinctrl-pistachio.c b/drivers/pinctrl/pinctrl-pistachio.c index 7bad200bd67c..55375b1b3cc8 100644 --- a/drivers/pinctrl/pinctrl-pistachio.c +++ b/drivers/pinctrl/pinctrl-pistachio.c @@ -809,17 +809,17 @@ static const struct pistachio_pin_group pistachio_groups[] = { PADS_FUNCTION_SELECT2, 12, 0x3), MFIO_MUX_PIN_GROUP(83, MIPS_PLL_LOCK, MIPS_TRACE_DATA, USB_DEBUG, PADS_FUNCTION_SELECT2, 14, 0x3), - MFIO_MUX_PIN_GROUP(84, SYS_PLL_LOCK, MIPS_TRACE_DATA, USB_DEBUG, + MFIO_MUX_PIN_GROUP(84, AUDIO_PLL_LOCK, MIPS_TRACE_DATA, USB_DEBUG, PADS_FUNCTION_SELECT2, 16, 0x3), - MFIO_MUX_PIN_GROUP(85, WIFI_PLL_LOCK, MIPS_TRACE_DATA, SDHOST_DEBUG, + MFIO_MUX_PIN_GROUP(85, RPU_V_PLL_LOCK, MIPS_TRACE_DATA, SDHOST_DEBUG, PADS_FUNCTION_SELECT2, 18, 0x3), - MFIO_MUX_PIN_GROUP(86, BT_PLL_LOCK, MIPS_TRACE_DATA, SDHOST_DEBUG, + MFIO_MUX_PIN_GROUP(86, RPU_L_PLL_LOCK, MIPS_TRACE_DATA, SDHOST_DEBUG, PADS_FUNCTION_SELECT2, 20, 0x3), - MFIO_MUX_PIN_GROUP(87, RPU_V_PLL_LOCK, DREQ2, SOCIF_DEBUG, + MFIO_MUX_PIN_GROUP(87, SYS_PLL_LOCK, DREQ2, SOCIF_DEBUG, PADS_FUNCTION_SELECT2, 22, 0x3), - MFIO_MUX_PIN_GROUP(88, RPU_L_PLL_LOCK, DREQ3, SOCIF_DEBUG, + MFIO_MUX_PIN_GROUP(88, WIFI_PLL_LOCK, DREQ3, SOCIF_DEBUG, PADS_FUNCTION_SELECT2, 24, 0x3), - MFIO_MUX_PIN_GROUP(89, AUDIO_PLL_LOCK, DREQ4, DREQ5, + MFIO_MUX_PIN_GROUP(89, BT_PLL_LOCK, DREQ4, DREQ5, PADS_FUNCTION_SELECT2, 26, 0x3), PIN_GROUP(TCK, "tck"), PIN_GROUP(TRSTN, "trstn"), diff --git a/drivers/pinctrl/sunxi/pinctrl-sun8i-a23.c b/drivers/pinctrl/sunxi/pinctrl-sun8i-a23.c index ce483b03a263..f9d661e5c14a 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sun8i-a23.c +++ b/drivers/pinctrl/sunxi/pinctrl-sun8i-a23.c @@ -485,12 +485,12 @@ static const struct sunxi_desc_pin sun8i_a23_pins[] = { SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 8), SUNXI_FUNCTION(0x0, "gpio_in"), SUNXI_FUNCTION(0x1, "gpio_out"), - SUNXI_FUNCTION(0x2, "uart2"), /* RTS */ + SUNXI_FUNCTION(0x2, "uart1"), /* RTS */ SUNXI_FUNCTION_IRQ_BANK(0x4, 2, 8)), /* PG_EINT8 */ SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 9), SUNXI_FUNCTION(0x0, "gpio_in"), SUNXI_FUNCTION(0x1, "gpio_out"), - SUNXI_FUNCTION(0x2, "uart2"), /* CTS */ + SUNXI_FUNCTION(0x2, "uart1"), /* CTS */ SUNXI_FUNCTION_IRQ_BANK(0x4, 2, 9)), /* PG_EINT9 */ SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 10), SUNXI_FUNCTION(0x0, "gpio_in"), diff --git a/drivers/pinctrl/sunxi/pinctrl-sun8i-a33.c b/drivers/pinctrl/sunxi/pinctrl-sun8i-a33.c index 3040abe6f73a..3131cac2b76f 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sun8i-a33.c +++ b/drivers/pinctrl/sunxi/pinctrl-sun8i-a33.c @@ -407,12 +407,12 @@ static const struct sunxi_desc_pin sun8i_a33_pins[] = { SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 8), SUNXI_FUNCTION(0x0, "gpio_in"), SUNXI_FUNCTION(0x1, "gpio_out"), - SUNXI_FUNCTION(0x2, "uart2"), /* RTS */ + SUNXI_FUNCTION(0x2, "uart1"), /* RTS */ SUNXI_FUNCTION_IRQ_BANK(0x4, 1, 8)), /* PG_EINT8 */ SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 9), SUNXI_FUNCTION(0x0, "gpio_in"), SUNXI_FUNCTION(0x1, "gpio_out"), - SUNXI_FUNCTION(0x2, "uart2"), /* CTS */ + SUNXI_FUNCTION(0x2, "uart1"), /* CTS */ SUNXI_FUNCTION_IRQ_BANK(0x4, 1, 9)), /* PG_EINT9 */ SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 10), SUNXI_FUNCTION(0x0, "gpio_in"), diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c index 32f0f014a067..9d19b9a62011 100644 --- a/drivers/rapidio/devices/tsi721.c +++ b/drivers/rapidio/devices/tsi721.c @@ -1161,7 +1161,7 @@ static int tsi721_rio_map_inb_mem(struct rio_mport *mport, dma_addr_t lstart, } else if (ibw_start < (ib_win->rstart + ib_win->size) && (ibw_start + ibw_size) > ib_win->rstart) { /* Return error if address translation involved */ - if (direct && ib_win->xlat) { + if (!direct || ib_win->xlat) { ret = -EFAULT; break; } diff --git a/drivers/regulator/max14577-regulator.c b/drivers/regulator/max14577-regulator.c index b2daa6641417..c9ff26199711 100644 --- a/drivers/regulator/max14577-regulator.c +++ b/drivers/regulator/max14577-regulator.c @@ -2,7 +2,7 @@ * max14577.c - Regulator driver for the Maxim 14577/77836 * * Copyright (C) 2013,2014 Samsung Electronics - * Krzysztof Kozlowski <k.kozlowski@samsung.com> + * Krzysztof Kozlowski <krzk@kernel.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -331,7 +331,7 @@ static void __exit max14577_regulator_exit(void) } module_exit(max14577_regulator_exit); -MODULE_AUTHOR("Krzysztof Kozlowski <k.kozlowski@samsung.com>"); +MODULE_AUTHOR("Krzysztof Kozlowski <krzk@kernel.org>"); MODULE_DESCRIPTION("Maxim 14577/77836 regulator driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:max14577-regulator"); diff --git a/drivers/regulator/max77693-regulator.c b/drivers/regulator/max77693-regulator.c index de730fd3f8a5..cfbb9512e486 100644 --- a/drivers/regulator/max77693-regulator.c +++ b/drivers/regulator/max77693-regulator.c @@ -3,7 +3,7 @@ * * Copyright (C) 2013-2015 Samsung Electronics * Jonghwa Lee <jonghwa3.lee@samsung.com> - * Krzysztof Kozlowski <k.kozlowski.k@gmail.com> + * Krzysztof Kozlowski <krzk@kernel.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -314,5 +314,5 @@ module_exit(max77693_pmic_cleanup); MODULE_DESCRIPTION("MAXIM 77693/77843 regulator driver"); MODULE_AUTHOR("Jonghwa Lee <jonghwa3.lee@samsung.com>"); -MODULE_AUTHOR("Krzysztof Kozlowski <k.kozlowski.k@gmail.com>"); +MODULE_AUTHOR("Krzysztof Kozlowski <krzk@kernel.org>"); MODULE_LICENSE("GPL"); diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c index 5022fa8d10c6..8ed46a9a55c8 100644 --- a/drivers/regulator/qcom_smd-regulator.c +++ b/drivers/regulator/qcom_smd-regulator.c @@ -178,20 +178,21 @@ static const struct regulator_desc pma8084_hfsmps = { static const struct regulator_desc pma8084_ftsmps = { .linear_ranges = (struct regulator_linear_range[]) { REGULATOR_LINEAR_RANGE(350000, 0, 184, 5000), - REGULATOR_LINEAR_RANGE(700000, 185, 339, 10000), + REGULATOR_LINEAR_RANGE(1280000, 185, 261, 10000), }, .n_linear_ranges = 2, - .n_voltages = 340, + .n_voltages = 262, .ops = &rpm_smps_ldo_ops, }; static const struct regulator_desc pma8084_pldo = { .linear_ranges = (struct regulator_linear_range[]) { - REGULATOR_LINEAR_RANGE(750000, 0, 30, 25000), - REGULATOR_LINEAR_RANGE(1500000, 31, 99, 50000), + REGULATOR_LINEAR_RANGE( 750000, 0, 63, 12500), + REGULATOR_LINEAR_RANGE(1550000, 64, 126, 25000), + REGULATOR_LINEAR_RANGE(3100000, 127, 163, 50000), }, - .n_linear_ranges = 2, - .n_voltages = 100, + .n_linear_ranges = 3, + .n_voltages = 164, .ops = &rpm_smps_ldo_ops, }; @@ -221,29 +222,30 @@ static const struct regulator_desc pm8x41_hfsmps = { static const struct regulator_desc pm8841_ftsmps = { .linear_ranges = (struct regulator_linear_range[]) { REGULATOR_LINEAR_RANGE(350000, 0, 184, 5000), - REGULATOR_LINEAR_RANGE(700000, 185, 339, 10000), + REGULATOR_LINEAR_RANGE(1280000, 185, 261, 10000), }, .n_linear_ranges = 2, - .n_voltages = 340, + .n_voltages = 262, .ops = &rpm_smps_ldo_ops, }; static const struct regulator_desc pm8941_boost = { .linear_ranges = (struct regulator_linear_range[]) { - REGULATOR_LINEAR_RANGE(4000000, 0, 15, 100000), + REGULATOR_LINEAR_RANGE(4000000, 0, 30, 50000), }, .n_linear_ranges = 1, - .n_voltages = 16, + .n_voltages = 31, .ops = &rpm_smps_ldo_ops, }; static const struct regulator_desc pm8941_pldo = { .linear_ranges = (struct regulator_linear_range[]) { - REGULATOR_LINEAR_RANGE( 750000, 0, 30, 25000), - REGULATOR_LINEAR_RANGE(1500000, 31, 99, 50000), + REGULATOR_LINEAR_RANGE( 750000, 0, 63, 12500), + REGULATOR_LINEAR_RANGE(1550000, 64, 126, 25000), + REGULATOR_LINEAR_RANGE(3100000, 127, 163, 50000), }, - .n_linear_ranges = 2, - .n_voltages = 100, + .n_linear_ranges = 3, + .n_voltages = 164, .ops = &rpm_smps_ldo_ops, }; diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c index 83458f7a2824..6dc96c8dfe75 100644 --- a/drivers/scsi/constants.c +++ b/drivers/scsi/constants.c @@ -361,8 +361,9 @@ static const char * const snstext[] = { /* Get sense key string or NULL if not available */ const char * -scsi_sense_key_string(unsigned char key) { - if (key <= 0xE) +scsi_sense_key_string(unsigned char key) +{ + if (key < ARRAY_SIZE(snstext)) return snstext[key]; return NULL; } diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index eaccd651ccda..246456925335 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -246,6 +246,10 @@ static struct { {"IBM", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, {"SUN", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, {"DELL", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, + {"STK", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, + {"NETAPP", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, + {"LSI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, + {"ENGENIO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, {"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36}, {"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN}, {"SONY", "TSL", NULL, BLIST_FORCELUN}, /* DDS3 & DDS4 autoloaders */ diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index 3f0ff072184b..60b651bfaa01 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -341,22 +341,6 @@ static int do_sas_phy_delete(struct device *dev, void *data) } /** - * is_sas_attached - check if device is SAS attached - * @sdev: scsi device to check - * - * returns true if the device is SAS attached - */ -int is_sas_attached(struct scsi_device *sdev) -{ - struct Scsi_Host *shost = sdev->host; - - return shost->transportt->host_attrs.ac.class == - &sas_host_class.class; -} -EXPORT_SYMBOL(is_sas_attached); - - -/** * sas_remove_children - tear down a devices SAS data structures * @dev: device belonging to the sas object * diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c index 0e8601aa877a..8c9a35c91705 100644 --- a/drivers/scsi/ses.c +++ b/drivers/scsi/ses.c @@ -587,7 +587,7 @@ static void ses_match_to_enclosure(struct enclosure_device *edev, ses_enclosure_data_process(edev, to_scsi_device(edev->edev.parent), 0); - if (is_sas_attached(sdev)) + if (scsi_is_sas_rphy(&sdev->sdev_gendev)) efd.addr = sas_get_address(sdev); if (efd.addr) { diff --git a/drivers/scsi/wd719x.c b/drivers/scsi/wd719x.c index e3da1a2fdb66..2a9da2e0ea6b 100644 --- a/drivers/scsi/wd719x.c +++ b/drivers/scsi/wd719x.c @@ -962,7 +962,7 @@ static void wd719x_pci_remove(struct pci_dev *pdev) scsi_host_put(sh); } -static DEFINE_PCI_DEVICE_TABLE(wd719x_pci_table) = { +static const struct pci_device_id wd719x_pci_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_WD, 0x3296) }, {} }; diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c index 823cbc92d1e7..7a37090dabbe 100644 --- a/drivers/spi/spi-img-spfi.c +++ b/drivers/spi/spi-img-spfi.c @@ -720,8 +720,6 @@ static int img_spfi_remove(struct platform_device *pdev) clk_disable_unprepare(spfi->sys_clk); } - spi_master_put(master); - return 0; } diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index 0be89e052428..899d7a8f0889 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -685,7 +685,6 @@ static int mtk_spi_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); mtk_spi_reset(mdata); - spi_master_put(master); return 0; } diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c index f3df522db93b..58d2d48e16a5 100644 --- a/drivers/spi/spi-pxa2xx-pci.c +++ b/drivers/spi/spi-pxa2xx-pci.c @@ -214,6 +214,7 @@ static int pxa2xx_spi_pci_probe(struct pci_dev *dev, return PTR_ERR(ssp->clk); memset(&pi, 0, sizeof(pi)); + pi.fwnode = dev->dev.fwnode; pi.parent = &dev->dev; pi.name = "pxa2xx-spi"; pi.id = ssp->port_id; diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c index c338ef1136f6..7f1555621f8e 100644 --- a/drivers/spi/spi-qup.c +++ b/drivers/spi/spi-qup.c @@ -1030,7 +1030,6 @@ static int spi_qup_remove(struct platform_device *pdev) pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); - spi_master_put(master); return 0; } diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index 0f83ad1d5a58..1de3a772eb7d 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -262,6 +262,9 @@ static void sh_msiof_spi_set_clk_regs(struct sh_msiof_spi_priv *p, for (k = 0; k < ARRAY_SIZE(sh_msiof_spi_div_table); k++) { brps = DIV_ROUND_UP(div, sh_msiof_spi_div_table[k].div); + /* SCR_BRDV_DIV_1 is valid only if BRPS is x 1/1 or x 1/2 */ + if (sh_msiof_spi_div_table[k].div == 1 && brps > 2) + continue; if (brps <= 32) /* max of brdv is 32 */ break; } diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 51ad42fad567..200ca228d885 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -960,7 +960,7 @@ static int spi_transfer_one_message(struct spi_master *master, struct spi_transfer *xfer; bool keep_cs = false; int ret = 0; - unsigned long ms = 1; + unsigned long long ms = 1; struct spi_statistics *statm = &master->statistics; struct spi_statistics *stats = &msg->spi->statistics; @@ -991,9 +991,13 @@ static int spi_transfer_one_message(struct spi_master *master, if (ret > 0) { ret = 0; - ms = xfer->len * 8 * 1000 / xfer->speed_hz; + ms = 8LL * 1000LL * xfer->len; + do_div(ms, xfer->speed_hz); ms += ms + 100; /* some tolerance */ + if (ms > UINT_MAX) + ms = UINT_MAX; + ms = wait_for_completion_timeout(&master->xfer_completion, msecs_to_jiffies(ms)); } @@ -1159,6 +1163,7 @@ static void __spi_pump_messages(struct spi_master *master, bool in_kthread) if (ret < 0) { dev_err(&master->dev, "Failed to power device: %d\n", ret); + mutex_unlock(&master->io_mutex); return; } } @@ -1174,6 +1179,7 @@ static void __spi_pump_messages(struct spi_master *master, bool in_kthread) if (master->auto_runtime_pm) pm_runtime_put(master->dev.parent); + mutex_unlock(&master->io_mutex); return; } } diff --git a/drivers/staging/comedi/drivers/adv_pci1760.c b/drivers/staging/comedi/drivers/adv_pci1760.c index d7dd1e55e347..9f525ff7290c 100644 --- a/drivers/staging/comedi/drivers/adv_pci1760.c +++ b/drivers/staging/comedi/drivers/adv_pci1760.c @@ -196,6 +196,7 @@ static int pci1760_pwm_ns_to_div(unsigned int flags, unsigned int ns) break; case CMDF_ROUND_DOWN: divisor = ns / PCI1760_PWM_TIMEBASE; + break; default: return -EINVAL; } diff --git a/drivers/staging/comedi/drivers/comedi_test.c b/drivers/staging/comedi/drivers/comedi_test.c index 4ab186669f0c..ec5b9a23494d 100644 --- a/drivers/staging/comedi/drivers/comedi_test.c +++ b/drivers/staging/comedi/drivers/comedi_test.c @@ -56,11 +56,6 @@ #define N_CHANS 8 -enum waveform_state_bits { - WAVEFORM_AI_RUNNING, - WAVEFORM_AO_RUNNING -}; - /* Data unique to this driver */ struct waveform_private { struct timer_list ai_timer; /* timer for AI commands */ @@ -68,7 +63,6 @@ struct waveform_private { unsigned int wf_amplitude; /* waveform amplitude in microvolts */ unsigned int wf_period; /* waveform period in microseconds */ unsigned int wf_current; /* current time in waveform period */ - unsigned long state_bits; unsigned int ai_scan_period; /* AI scan period in usec */ unsigned int ai_convert_period; /* AI conversion period in usec */ struct timer_list ao_timer; /* timer for AO commands */ @@ -191,10 +185,6 @@ static void waveform_ai_timer(unsigned long arg) unsigned int nsamples; unsigned int time_increment; - /* check command is still active */ - if (!test_bit(WAVEFORM_AI_RUNNING, &devpriv->state_bits)) - return; - now = ktime_to_us(ktime_get()); nsamples = comedi_nsamples_left(s, UINT_MAX); @@ -386,11 +376,6 @@ static int waveform_ai_cmd(struct comedi_device *dev, */ devpriv->ai_timer.expires = jiffies + usecs_to_jiffies(devpriv->ai_convert_period) + 1; - - /* mark command as active */ - smp_mb__before_atomic(); - set_bit(WAVEFORM_AI_RUNNING, &devpriv->state_bits); - smp_mb__after_atomic(); add_timer(&devpriv->ai_timer); return 0; } @@ -400,11 +385,12 @@ static int waveform_ai_cancel(struct comedi_device *dev, { struct waveform_private *devpriv = dev->private; - /* mark command as no longer active */ - clear_bit(WAVEFORM_AI_RUNNING, &devpriv->state_bits); - smp_mb__after_atomic(); - /* cannot call del_timer_sync() as may be called from timer routine */ - del_timer(&devpriv->ai_timer); + if (in_softirq()) { + /* Assume we were called from the timer routine itself. */ + del_timer(&devpriv->ai_timer); + } else { + del_timer_sync(&devpriv->ai_timer); + } return 0; } @@ -436,10 +422,6 @@ static void waveform_ao_timer(unsigned long arg) u64 scans_since; unsigned int scans_avail = 0; - /* check command is still active */ - if (!test_bit(WAVEFORM_AO_RUNNING, &devpriv->state_bits)) - return; - /* determine number of scan periods since last time */ now = ktime_to_us(ktime_get()); scans_since = now - devpriv->ao_last_scan_time; @@ -518,11 +500,6 @@ static int waveform_ao_inttrig_start(struct comedi_device *dev, devpriv->ao_last_scan_time = ktime_to_us(ktime_get()); devpriv->ao_timer.expires = jiffies + usecs_to_jiffies(devpriv->ao_scan_period); - - /* mark command as active */ - smp_mb__before_atomic(); - set_bit(WAVEFORM_AO_RUNNING, &devpriv->state_bits); - smp_mb__after_atomic(); add_timer(&devpriv->ao_timer); return 1; @@ -608,11 +585,12 @@ static int waveform_ao_cancel(struct comedi_device *dev, struct waveform_private *devpriv = dev->private; s->async->inttrig = NULL; - /* mark command as no longer active */ - clear_bit(WAVEFORM_AO_RUNNING, &devpriv->state_bits); - smp_mb__after_atomic(); - /* cannot call del_timer_sync() as may be called from timer routine */ - del_timer(&devpriv->ao_timer); + if (in_softirq()) { + /* Assume we were called from the timer routine itself. */ + del_timer(&devpriv->ao_timer); + } else { + del_timer_sync(&devpriv->ao_timer); + } return 0; } diff --git a/drivers/staging/comedi/drivers/daqboard2000.c b/drivers/staging/comedi/drivers/daqboard2000.c index 65daef0c00d5..0f4eb954aa80 100644 --- a/drivers/staging/comedi/drivers/daqboard2000.c +++ b/drivers/staging/comedi/drivers/daqboard2000.c @@ -634,7 +634,7 @@ static const void *daqboard2000_find_boardinfo(struct comedi_device *dev, const struct daq200_boardtype *board; int i; - if (pcidev->subsystem_device != PCI_VENDOR_ID_IOTECH) + if (pcidev->subsystem_vendor != PCI_VENDOR_ID_IOTECH) return NULL; for (i = 0; i < ARRAY_SIZE(boardtypes); i++) { diff --git a/drivers/staging/comedi/drivers/dt2811.c b/drivers/staging/comedi/drivers/dt2811.c index 904f637797b6..8bbd93814340 100644 --- a/drivers/staging/comedi/drivers/dt2811.c +++ b/drivers/staging/comedi/drivers/dt2811.c @@ -588,8 +588,8 @@ static int dt2811_attach(struct comedi_device *dev, struct comedi_devconfig *it) s = &dev->subdevices[0]; s->type = COMEDI_SUBD_AI; s->subdev_flags = SDF_READABLE | - (it->options[2] == 1) ? SDF_DIFF : - (it->options[2] == 2) ? SDF_COMMON : SDF_GROUND; + ((it->options[2] == 1) ? SDF_DIFF : + (it->options[2] == 2) ? SDF_COMMON : SDF_GROUND); s->n_chan = (it->options[2] == 1) ? 8 : 16; s->maxdata = 0x0fff; s->range_table = board->is_pgh ? &dt2811_pgh_ai_ranges diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index 8dabb19519a5..0f97d7b611d7 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -2772,7 +2772,15 @@ static int ni_ao_inttrig(struct comedi_device *dev, int i; static const int timeout = 1000; - if (trig_num != cmd->start_arg) + /* + * Require trig_num == cmd->start_arg when cmd->start_src == TRIG_INT. + * For backwards compatibility, also allow trig_num == 0 when + * cmd->start_src != TRIG_INT (i.e. when cmd->start_src == TRIG_EXT); + * in that case, the internal trigger is being used as a pre-trigger + * before the external trigger. + */ + if (!(trig_num == cmd->start_arg || + (trig_num == 0 && cmd->start_src != TRIG_INT))) return -EINVAL; /* @@ -5480,7 +5488,7 @@ static int ni_E_init(struct comedi_device *dev, s->maxdata = (devpriv->is_m_series) ? 0xffffffff : 0x00ffffff; s->insn_read = ni_tio_insn_read; - s->insn_write = ni_tio_insn_read; + s->insn_write = ni_tio_insn_write; s->insn_config = ni_tio_insn_config; #ifdef PCIDMA if (dev->irq && devpriv->mite) { diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 170ac980abcb..24c348d2f5bb 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -419,6 +419,7 @@ static ssize_t ad5933_store(struct device *dev, mutex_lock(&indio_dev->mlock); switch ((u32)this_attr->address) { case AD5933_OUT_RANGE: + ret = -EINVAL; for (i = 0; i < 4; i++) if (val == st->range_avail[i]) { st->ctrl_hb &= ~AD5933_CTRL_RANGE(0x3); @@ -426,7 +427,6 @@ static ssize_t ad5933_store(struct device *dev, ret = ad5933_cmd(st, 0); break; } - ret = -EINVAL; break; case AD5933_IN_PGA_GAIN: if (sysfs_streq(buf, "1")) { diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c index 3664bfd0178b..2c4dc69731e8 100644 --- a/drivers/staging/lustre/lustre/llite/namei.c +++ b/drivers/staging/lustre/lustre/llite/namei.c @@ -388,6 +388,7 @@ static int ll_lookup_it_finish(struct ptlrpc_request *request, struct inode *inode = NULL; __u64 bits = 0; int rc = 0; + struct dentry *alias; /* NB 1 request reference will be taken away by ll_intent_lock() * when I return @@ -412,26 +413,12 @@ static int ll_lookup_it_finish(struct ptlrpc_request *request, */ } - /* Only hash *de if it is unhashed (new dentry). - * Atoimc_open may passing hashed dentries for open. - */ - if (d_unhashed(*de)) { - struct dentry *alias; - - alias = ll_splice_alias(inode, *de); - if (IS_ERR(alias)) { - rc = PTR_ERR(alias); - goto out; - } - *de = alias; - } else if (!it_disposition(it, DISP_LOOKUP_NEG) && - !it_disposition(it, DISP_OPEN_CREATE)) { - /* With DISP_OPEN_CREATE dentry will be - * instantiated in ll_create_it. - */ - LASSERT(!d_inode(*de)); - d_instantiate(*de, inode); + alias = ll_splice_alias(inode, *de); + if (IS_ERR(alias)) { + rc = PTR_ERR(alias); + goto out; } + *de = alias; if (!it_disposition(it, DISP_LOOKUP_NEG)) { /* we have lookup look - unhide dentry */ @@ -587,6 +574,24 @@ static int ll_atomic_open(struct inode *dir, struct dentry *dentry, dentry, PFID(ll_inode2fid(dir)), dir, file, open_flags, mode, *opened); + /* Only negative dentries enter here */ + LASSERT(!d_inode(dentry)); + + if (!d_in_lookup(dentry)) { + /* A valid negative dentry that just passed revalidation, + * there's little point to try and open it server-side, + * even though there's a minuscle chance it might succeed. + * Either way it's a valid race to just return -ENOENT here. + */ + if (!(open_flags & O_CREAT)) + return -ENOENT; + + /* Otherwise we just unhash it to be rehashed afresh via + * lookup if necessary + */ + d_drop(dentry); + } + it = kzalloc(sizeof(*it), GFP_NOFS); if (!it) return -ENOMEM; diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c index 0b1760cba6e3..78f524fcd214 100644 --- a/drivers/staging/wilc1000/host_interface.c +++ b/drivers/staging/wilc1000/host_interface.c @@ -3363,7 +3363,7 @@ int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler) if (!hif_workqueue) { netdev_err(vif->ndev, "Failed to create workqueue\n"); result = -ENOMEM; - goto _fail_mq_; + goto _fail_; } setup_timer(&periodic_rssi, GetPeriodicRSSI, @@ -3391,7 +3391,6 @@ int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler) clients_count++; -_fail_mq_: destroy_workqueue(hif_workqueue); _fail_: return result; diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c index 3a66255f14fc..32215110d597 100644 --- a/drivers/staging/wilc1000/linux_wlan.c +++ b/drivers/staging/wilc1000/linux_wlan.c @@ -648,7 +648,7 @@ void wilc1000_wlan_deinit(struct net_device *dev) mutex_unlock(&wl->hif_cs); } if (&wl->txq_event) - wait_for_completion(&wl->txq_event); + complete(&wl->txq_event); wlan_deinitialize_threads(dev); deinit_irq(dev); diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c index 9092600a1794..2c2e8aca8305 100644 --- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c +++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c @@ -1191,7 +1191,7 @@ static int get_station(struct wiphy *wiphy, struct net_device *dev, struct wilc_priv *priv; struct wilc_vif *vif; u32 i = 0; - u32 associatedsta = 0; + u32 associatedsta = ~0; u32 inactive_time = 0; priv = wiphy_priv(wiphy); vif = netdev_priv(dev); @@ -1204,7 +1204,7 @@ static int get_station(struct wiphy *wiphy, struct net_device *dev, } } - if (associatedsta == -1) { + if (associatedsta == ~0) { netdev_err(dev, "sta required is not associated\n"); return -ENOENT; } diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c index 71a339271fa5..5f817923f374 100644 --- a/drivers/thermal/rcar_thermal.c +++ b/drivers/thermal/rcar_thermal.c @@ -504,6 +504,7 @@ static int rcar_thermal_probe(struct platform_device *pdev) if (IS_ERR(priv->zone)) { dev_err(dev, "can't register thermal zone\n"); ret = PTR_ERR(priv->zone); + priv->zone = NULL; goto error_unregister; } diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c index 9c15344b657a..a8c20413dbda 100644 --- a/drivers/thunderbolt/nhi.c +++ b/drivers/thunderbolt/nhi.c @@ -651,6 +651,12 @@ static struct pci_device_id nhi_ids[] = { { .class = PCI_CLASS_SYSTEM_OTHER << 8, .class_mask = ~0, .vendor = PCI_VENDOR_ID_INTEL, + .device = PCI_DEVICE_ID_INTEL_FALCON_RIDGE_2C_NHI, + .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, + }, + { + .class = PCI_CLASS_SYSTEM_OTHER << 8, .class_mask = ~0, + .vendor = PCI_VENDOR_ID_INTEL, .device = PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_NHI, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, }, diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index 1e116f53d6dd..9840fdecb73b 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -372,7 +372,9 @@ struct tb_switch *tb_switch_alloc(struct tb *tb, u64 route) if (sw->config.device_id != PCI_DEVICE_ID_INTEL_LIGHT_RIDGE && sw->config.device_id != PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C && - sw->config.device_id != PCI_DEVICE_ID_INTEL_PORT_RIDGE) + sw->config.device_id != PCI_DEVICE_ID_INTEL_PORT_RIDGE && + sw->config.device_id != PCI_DEVICE_ID_INTEL_FALCON_RIDGE_2C_BRIDGE && + sw->config.device_id != PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_BRIDGE) tb_sw_warn(sw, "unsupported switch device id %#x\n", sw->config.device_id); diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h index 122e0e4029fe..1a16feac9a36 100644 --- a/drivers/tty/serial/8250/8250.h +++ b/drivers/tty/serial/8250/8250.h @@ -15,8 +15,6 @@ #include <linux/serial_reg.h> #include <linux/dmaengine.h> -#include "../serial_mctrl_gpio.h" - struct uart_8250_dma { int (*tx_dma)(struct uart_8250_port *p); int (*rx_dma)(struct uart_8250_port *p); @@ -133,43 +131,12 @@ void serial8250_em485_destroy(struct uart_8250_port *p); static inline void serial8250_out_MCR(struct uart_8250_port *up, int value) { - int mctrl_gpio = 0; - serial_out(up, UART_MCR, value); - - if (value & UART_MCR_RTS) - mctrl_gpio |= TIOCM_RTS; - if (value & UART_MCR_DTR) - mctrl_gpio |= TIOCM_DTR; - - mctrl_gpio_set(up->gpios, mctrl_gpio); } static inline int serial8250_in_MCR(struct uart_8250_port *up) { - int mctrl, mctrl_gpio = 0; - - mctrl = serial_in(up, UART_MCR); - - /* save current MCR values */ - if (mctrl & UART_MCR_RTS) - mctrl_gpio |= TIOCM_RTS; - if (mctrl & UART_MCR_DTR) - mctrl_gpio |= TIOCM_DTR; - - mctrl_gpio = mctrl_gpio_get_outputs(up->gpios, &mctrl_gpio); - - if (mctrl_gpio & TIOCM_RTS) - mctrl |= UART_MCR_RTS; - else - mctrl &= ~UART_MCR_RTS; - - if (mctrl_gpio & TIOCM_DTR) - mctrl |= UART_MCR_DTR; - else - mctrl &= ~UART_MCR_DTR; - - return mctrl; + return serial_in(up, UART_MCR); } #if defined(__alpha__) && !defined(CONFIG_PCI) diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 13ad5c3d2e68..dcf43f66404f 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -974,8 +974,6 @@ int serial8250_register_8250_port(struct uart_8250_port *up) uart = serial8250_find_match_or_unused(&up->port); if (uart && uart->port.type != PORT_8250_CIR) { - struct mctrl_gpios *gpios; - if (uart->port.dev) uart_remove_one_port(&serial8250_reg, &uart->port); @@ -1013,13 +1011,6 @@ int serial8250_register_8250_port(struct uart_8250_port *up) if (up->port.flags & UPF_FIXED_TYPE) uart->port.type = up->port.type; - gpios = mctrl_gpio_init(&uart->port, 0); - if (IS_ERR(gpios)) { - if (PTR_ERR(gpios) != -ENOSYS) - return PTR_ERR(gpios); - } else - uart->gpios = gpios; - serial8250_set_defaults(uart); /* Possibly override default I/O functions. */ diff --git a/drivers/tty/serial/8250/8250_fintek.c b/drivers/tty/serial/8250/8250_fintek.c index 737b4b3957b0..0facc789fe7d 100644 --- a/drivers/tty/serial/8250/8250_fintek.c +++ b/drivers/tty/serial/8250/8250_fintek.c @@ -31,7 +31,7 @@ #define IO_ADDR2 0x60 #define LDN 0x7 -#define IRQ_MODE 0x70 +#define FINTEK_IRQ_MODE 0x70 #define IRQ_SHARE BIT(4) #define IRQ_MODE_MASK (BIT(6) | BIT(5)) #define IRQ_LEVEL_LOW 0 @@ -195,7 +195,7 @@ static int fintek_8250_set_irq_mode(struct fintek_8250 *pdata, bool level_mode) outb(LDN, pdata->base_port + ADDR_PORT); outb(pdata->index, pdata->base_port + DATA_PORT); - outb(IRQ_MODE, pdata->base_port + ADDR_PORT); + outb(FINTEK_IRQ_MODE, pdata->base_port + ADDR_PORT); tmp = inb(pdata->base_port + DATA_PORT); tmp &= ~IRQ_MODE_MASK; diff --git a/drivers/tty/serial/8250/8250_mid.c b/drivers/tty/serial/8250/8250_mid.c index 339de9cd0866..20c5db2f4264 100644 --- a/drivers/tty/serial/8250/8250_mid.c +++ b/drivers/tty/serial/8250/8250_mid.c @@ -168,6 +168,9 @@ static void mid8250_set_termios(struct uart_port *p, unsigned long w = BIT(24) - 1; unsigned long mul, div; + /* Gracefully handle the B0 case: fall back to B9600 */ + fuart = fuart ? fuart : 9600 * 16; + if (mid->board->freq < fuart) { /* Find prescaler value that satisfies Fuart < Fref */ if (mid->board->freq > baud) diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index e14982f36a04..61ad6c3b20a0 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -134,21 +134,18 @@ static void omap8250_set_mctrl(struct uart_port *port, unsigned int mctrl) serial8250_do_set_mctrl(port, mctrl); - if (IS_ERR_OR_NULL(mctrl_gpio_to_gpiod(up->gpios, - UART_GPIO_RTS))) { - /* - * Turn off autoRTS if RTS is lowered and restore autoRTS - * setting if RTS is raised - */ - lcr = serial_in(up, UART_LCR); - serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); - if ((mctrl & TIOCM_RTS) && (port->status & UPSTAT_AUTORTS)) - priv->efr |= UART_EFR_RTS; - else - priv->efr &= ~UART_EFR_RTS; - serial_out(up, UART_EFR, priv->efr); - serial_out(up, UART_LCR, lcr); - } + /* + * Turn off autoRTS if RTS is lowered and restore autoRTS setting + * if RTS is raised + */ + lcr = serial_in(up, UART_LCR); + serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); + if ((mctrl & TIOCM_RTS) && (port->status & UPSTAT_AUTORTS)) + priv->efr |= UART_EFR_RTS; + else + priv->efr &= ~UART_EFR_RTS; + serial_out(up, UART_EFR, priv->efr); + serial_out(up, UART_LCR, lcr); } /* @@ -449,9 +446,7 @@ static void omap_8250_set_termios(struct uart_port *port, priv->efr = 0; up->port.status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS | UPSTAT_AUTOXOFF); - if (termios->c_cflag & CRTSCTS && up->port.flags & UPF_HARD_FLOW - && IS_ERR_OR_NULL(mctrl_gpio_to_gpiod(up->gpios, - UART_GPIO_RTS))) { + if (termios->c_cflag & CRTSCTS && up->port.flags & UPF_HARD_FLOW) { /* Enable AUTOCTS (autoRTS is enabled when RTS is raised) */ up->port.status |= UPSTAT_AUTOCTS | UPSTAT_AUTORTS; priv->efr |= UART_EFR_CTS; diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 20ebaea5c414..bc51b32b2774 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1950,6 +1950,43 @@ pci_wch_ch38x_setup(struct serial_private *priv, #define PCI_DEVICE_ID_PERICOM_PI7C9X7954 0x7954 #define PCI_DEVICE_ID_PERICOM_PI7C9X7958 0x7958 +#define PCI_VENDOR_ID_ACCESIO 0x494f +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM_2SDB 0x1051 +#define PCI_DEVICE_ID_ACCESIO_MPCIE_COM_2S 0x1053 +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM_4SDB 0x105C +#define PCI_DEVICE_ID_ACCESIO_MPCIE_COM_4S 0x105E +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM232_2DB 0x1091 +#define PCI_DEVICE_ID_ACCESIO_MPCIE_COM232_2 0x1093 +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM232_4DB 0x1099 +#define PCI_DEVICE_ID_ACCESIO_MPCIE_COM232_4 0x109B +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM_2SMDB 0x10D1 +#define PCI_DEVICE_ID_ACCESIO_MPCIE_COM_2SM 0x10D3 +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM_4SMDB 0x10DA +#define PCI_DEVICE_ID_ACCESIO_MPCIE_COM_4SM 0x10DC +#define PCI_DEVICE_ID_ACCESIO_MPCIE_ICM485_1 0x1108 +#define PCI_DEVICE_ID_ACCESIO_MPCIE_ICM422_2 0x1110 +#define PCI_DEVICE_ID_ACCESIO_MPCIE_ICM485_2 0x1111 +#define PCI_DEVICE_ID_ACCESIO_MPCIE_ICM422_4 0x1118 +#define PCI_DEVICE_ID_ACCESIO_MPCIE_ICM485_4 0x1119 +#define PCI_DEVICE_ID_ACCESIO_PCIE_ICM_2S 0x1152 +#define PCI_DEVICE_ID_ACCESIO_PCIE_ICM_4S 0x115A +#define PCI_DEVICE_ID_ACCESIO_PCIE_ICM232_2 0x1190 +#define PCI_DEVICE_ID_ACCESIO_MPCIE_ICM232_2 0x1191 +#define PCI_DEVICE_ID_ACCESIO_PCIE_ICM232_4 0x1198 +#define PCI_DEVICE_ID_ACCESIO_MPCIE_ICM232_4 0x1199 +#define PCI_DEVICE_ID_ACCESIO_PCIE_ICM_2SM 0x11D0 +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM422_4 0x105A +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM485_4 0x105B +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM422_8 0x106A +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM485_8 0x106B +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM232_4 0x1098 +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM232_8 0x10A9 +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM_4SM 0x10D9 +#define PCI_DEVICE_ID_ACCESIO_PCIE_COM_8SM 0x10E9 +#define PCI_DEVICE_ID_ACCESIO_PCIE_ICM_4SM 0x11D8 + + + /* Unknown vendors/cards - this should not be in linux/pci_ids.h */ #define PCI_SUBDEVICE_ID_UNKNOWN_0x1584 0x1584 #define PCI_SUBDEVICE_ID_UNKNOWN_0x1588 0x1588 @@ -5113,6 +5150,108 @@ static struct pci_device_id serial_pci_tbl[] = { 0, 0, pbn_pericom_PI7C9X7958 }, /* + * ACCES I/O Products quad + */ + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM_2SDB, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_COM_2S, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM_4SDB, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_COM_4S, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM232_2DB, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_COM232_2, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM232_4DB, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_COM232_4, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM_2SMDB, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_COM_2SM, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM_4SMDB, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_COM_4SM, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_ICM485_1, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_ICM422_2, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_ICM485_2, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_ICM422_4, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_ICM485_4, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_ICM_2S, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_ICM_4S, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_ICM232_2, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_ICM232_2, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_ICM232_4, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_MPCIE_ICM232_4, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_ICM_2SM, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7954 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM422_4, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7958 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM485_4, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7958 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM422_8, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7958 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM485_8, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7958 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM232_4, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7958 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM232_8, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7958 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM_4SM, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7958 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_COM_8SM, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7958 }, + { PCI_VENDOR_ID_ACCESIO, PCI_DEVICE_ID_ACCESIO_PCIE_ICM_4SM, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_pericom_PI7C9X7958 }, + /* * Topic TP560 Data/Fax/Voice 56k modem (reported by Evan Clarke) */ { PCI_VENDOR_ID_TOPIC, PCI_DEVICE_ID_TOPIC_TP560, diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 7481b95c6d84..bdfa659b9606 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1618,8 +1618,6 @@ static void serial8250_disable_ms(struct uart_port *port) if (up->bugs & UART_BUG_NOMSR) return; - mctrl_gpio_disable_ms(up->gpios); - up->ier &= ~UART_IER_MSI; serial_port_out(port, UART_IER, up->ier); } @@ -1632,8 +1630,6 @@ static void serial8250_enable_ms(struct uart_port *port) if (up->bugs & UART_BUG_NOMSR) return; - mctrl_gpio_enable_ms(up->gpios); - up->ier |= UART_IER_MSI; serial8250_rpm_get(up); @@ -1917,8 +1913,7 @@ unsigned int serial8250_do_get_mctrl(struct uart_port *port) ret |= TIOCM_DSR; if (status & UART_MSR_CTS) ret |= TIOCM_CTS; - - return mctrl_gpio_get(up->gpios, &ret); + return ret; } EXPORT_SYMBOL_GPL(serial8250_do_get_mctrl); diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig index c9ec839a5ddf..7c6f7afca5dd 100644 --- a/drivers/tty/serial/8250/Kconfig +++ b/drivers/tty/serial/8250/Kconfig @@ -6,7 +6,6 @@ config SERIAL_8250 tristate "8250/16550 and compatible serial support" select SERIAL_CORE - select SERIAL_MCTRL_GPIO if GPIOLIB ---help--- This selects whether you want to include the driver for the standard serial ports. The standard answer is Y. People who might say N diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 065f5d97aa67..b93356834bb5 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -949,6 +949,15 @@ static int isr_setup_status_phase(struct ci_hdrc *ci) int retval; struct ci_hw_ep *hwep; + /* + * Unexpected USB controller behavior, caused by bad signal integrity + * or ground reference problems, can lead to isr_setup_status_phase + * being called with ci->status equal to NULL. + * If this situation occurs, you should review your USB hardware design. + */ + if (WARN_ON_ONCE(!ci->status)) + return -EPIPE; + hwep = (ci->ep0_dir == TX) ? ci->ep0out : ci->ep0in; ci->status->context = ci; ci->status->complete = isr_setup_status_complete; @@ -1596,8 +1605,11 @@ static int ci_udc_pullup(struct usb_gadget *_gadget, int is_on) { struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); - /* Data+ pullup controlled by OTG state machine in OTG fsm mode */ - if (ci_otg_is_fsm_mode(ci)) + /* + * Data+ pullup controlled by OTG state machine in OTG fsm mode; + * and don't touch Data+ in host mode for dual role config. + */ + if (ci_otg_is_fsm_mode(ci) || ci->role == CI_ROLE_HOST) return 0; pm_runtime_get_sync(&ci->gadget.dev); diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 051163189810..15ce4ab11688 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -187,7 +187,7 @@ static const unsigned short high_speed_maxpacket_maxes[4] = { [USB_ENDPOINT_XFER_CONTROL] = 64, [USB_ENDPOINT_XFER_ISOC] = 1024, [USB_ENDPOINT_XFER_BULK] = 512, - [USB_ENDPOINT_XFER_INT] = 1023, + [USB_ENDPOINT_XFER_INT] = 1024, }; static const unsigned short super_speed_maxpacket_maxes[4] = { [USB_ENDPOINT_XFER_CONTROL] = 512, diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index e6a6d67c8705..09c8d9ca61ae 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1709,11 +1709,17 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb as->urb->start_frame = uurb->start_frame; as->urb->number_of_packets = number_of_packets; as->urb->stream_id = stream_id; - if (uurb->type == USBDEVFS_URB_TYPE_ISO || - ps->dev->speed == USB_SPEED_HIGH) - as->urb->interval = 1 << min(15, ep->desc.bInterval - 1); - else - as->urb->interval = ep->desc.bInterval; + + if (ep->desc.bInterval) { + if (uurb->type == USBDEVFS_URB_TYPE_ISO || + ps->dev->speed == USB_SPEED_HIGH || + ps->dev->speed >= USB_SPEED_SUPER) + as->urb->interval = 1 << + min(15, ep->desc.bInterval - 1); + else + as->urb->interval = ep->desc.bInterval; + } + as->urb->context = as; as->urb->complete = async_completed; for (totlen = u = 0; u < number_of_packets; u++) { diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index 9fae0291cd69..d64551243789 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -868,6 +868,7 @@ struct dwc2_hsotg { void *priv; int irq; struct clk *clk; + struct reset_control *reset; unsigned int queuing_high_bandwidth:1; unsigned int srp_success:1; diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index fc6f5251de5d..530959a8a6d1 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -45,6 +45,7 @@ #include <linux/platform_device.h> #include <linux/phy/phy.h> #include <linux/platform_data/s3c-hsotg.h> +#include <linux/reset.h> #include <linux/usb/of.h> @@ -337,6 +338,24 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg) { int i, ret; + hsotg->reset = devm_reset_control_get_optional(hsotg->dev, "dwc2"); + if (IS_ERR(hsotg->reset)) { + ret = PTR_ERR(hsotg->reset); + switch (ret) { + case -ENOENT: + case -ENOTSUPP: + hsotg->reset = NULL; + break; + default: + dev_err(hsotg->dev, "error getting reset control %d\n", + ret); + return ret; + } + } + + if (hsotg->reset) + reset_control_deassert(hsotg->reset); + /* Set default UTMI width */ hsotg->phyif = GUSBCFG_PHYIF16; @@ -434,6 +453,9 @@ static int dwc2_driver_remove(struct platform_device *dev) if (hsotg->ll_hw_enabled) dwc2_lowlevel_hw_disable(hsotg); + if (hsotg->reset) + reset_control_assert(hsotg->reset); + return 0; } diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 946643157b78..35d092456bec 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1192,6 +1192,7 @@ static int dwc3_runtime_resume(struct device *dev) } pm_runtime_mark_last_busy(dev); + pm_runtime_put(dev); return 0; } diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h index 22dfc3dd6a13..33ab2a203c1b 100644 --- a/drivers/usb/dwc3/debug.h +++ b/drivers/usb/dwc3/debug.h @@ -192,7 +192,7 @@ dwc3_ep_event_string(const struct dwc3_event_depevt *event) int ret; ret = sprintf(str, "ep%d%s: ", epnum >> 1, - (epnum & 1) ? "in" : "in"); + (epnum & 1) ? "in" : "out"); if (ret < 0) return "UNKNOWN"; diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 2eb84d6c24a6..6df0f5dad9a4 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -243,6 +243,15 @@ static int dwc3_pci_runtime_suspend(struct device *dev) return -EBUSY; } +static int dwc3_pci_runtime_resume(struct device *dev) +{ + struct platform_device *dwc3 = dev_get_drvdata(dev); + + return pm_runtime_get(&dwc3->dev); +} +#endif /* CONFIG_PM */ + +#ifdef CONFIG_PM_SLEEP static int dwc3_pci_pm_dummy(struct device *dev) { /* @@ -255,11 +264,11 @@ static int dwc3_pci_pm_dummy(struct device *dev) */ return 0; } -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ static struct dev_pm_ops dwc3_pci_dev_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_pm_dummy, dwc3_pci_pm_dummy) - SET_RUNTIME_PM_OPS(dwc3_pci_runtime_suspend, dwc3_pci_pm_dummy, + SET_RUNTIME_PM_OPS(dwc3_pci_runtime_suspend, dwc3_pci_runtime_resume, NULL) }; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 1f5597ef945d..122e64df2f4d 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1433,7 +1433,7 @@ static int dwc3_gadget_get_frame(struct usb_gadget *g) static int __dwc3_gadget_wakeup(struct dwc3 *dwc) { - unsigned long timeout; + int retries; int ret; u32 reg; @@ -1484,9 +1484,9 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc) } /* poll until Link State changes to ON */ - timeout = jiffies + msecs_to_jiffies(100); + retries = 20000; - while (!time_after(jiffies, timeout)) { + while (retries--) { reg = dwc3_readl(dwc->regs, DWC3_DSTS); /* in HS, means ON */ diff --git a/drivers/usb/gadget/function/f_eem.c b/drivers/usb/gadget/function/f_eem.c index d58bfc32be9e..007ec6e4a5d4 100644 --- a/drivers/usb/gadget/function/f_eem.c +++ b/drivers/usb/gadget/function/f_eem.c @@ -341,11 +341,15 @@ static struct sk_buff *eem_wrap(struct gether *port, struct sk_buff *skb) { struct sk_buff *skb2 = NULL; struct usb_ep *in = port->in_ep; - int padlen = 0; - u16 len = skb->len; + int headroom, tailroom, padlen = 0; + u16 len; - int headroom = skb_headroom(skb); - int tailroom = skb_tailroom(skb); + if (!skb) + return NULL; + + len = skb->len; + headroom = skb_headroom(skb); + tailroom = skb_tailroom(skb); /* When (len + EEM_HLEN + ETH_FCS_LEN) % in->maxpacket) is 0, * stick two bytes of zero-length EEM packet on the end. diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c index c8005823b190..16562e461121 100644 --- a/drivers/usb/gadget/function/f_rndis.c +++ b/drivers/usb/gadget/function/f_rndis.c @@ -374,6 +374,9 @@ static struct sk_buff *rndis_add_header(struct gether *port, { struct sk_buff *skb2; + if (!skb) + return NULL; + skb2 = skb_realloc_headroom(skb, sizeof(struct rndis_packet_msg_type)); rndis_add_hdr(skb2); diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index 6ded6345cd09..e0cd1e4c8892 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -375,10 +375,15 @@ __acquires(&port->port_lock) */ { struct list_head *pool = &port->write_pool; - struct usb_ep *in = port->port_usb->in; + struct usb_ep *in; int status = 0; bool do_tty_wake = false; + if (!port->port_usb) + return status; + + in = port->port_usb->in; + while (!port->write_busy && !list_empty(pool)) { struct usb_request *req; int len; diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 934f83881c30..40c04bb25f2f 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -827,7 +827,7 @@ void usb_gadget_unmap_request_by_dev(struct device *dev, return; if (req->num_mapped_sgs) { - dma_unmap_sg(dev, req->sg, req->num_mapped_sgs, + dma_unmap_sg(dev, req->sg, req->num_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); req->num_mapped_sgs = 0; diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c index cf8819a5c5b2..8bb011ea78f7 100644 --- a/drivers/usb/gadget/udc/fsl_qe_udc.c +++ b/drivers/usb/gadget/udc/fsl_qe_udc.c @@ -1878,11 +1878,8 @@ static int qe_get_frame(struct usb_gadget *gadget) tmp = in_be16(&udc->usb_param->frame_n); if (tmp & 0x8000) - tmp = tmp & 0x07ff; - else - tmp = -EINVAL; - - return (int)tmp; + return tmp & 0x07ff; + return -EINVAL; } static int fsl_qe_start(struct usb_gadget *gadget, diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 93a3bec81df7..fb8fc34827ab 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -106,6 +106,7 @@ /* DRD_CON */ #define DRD_CON_PERI_CON BIT(24) +#define DRD_CON_VBOUT BIT(0) /* USB_INT_ENA_1 and USB_INT_STA_1 */ #define USB_INT_1_B3_PLLWKUP BIT(31) @@ -363,6 +364,7 @@ static void usb3_init_epc_registers(struct renesas_usb3 *usb3) { /* FIXME: How to change host / peripheral mode as well? */ usb3_set_bit(usb3, DRD_CON_PERI_CON, USB3_DRD_CON); + usb3_clear_bit(usb3, DRD_CON_VBOUT, USB3_DRD_CON); usb3_write(usb3, ~0, USB3_USB_INT_STA_1); usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG); diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index fd9fd12e4861..797137e26549 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -850,6 +850,10 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) spin_lock_irqsave(&xhci->lock, flags); ep->stop_cmds_pending--; + if (xhci->xhc_state & XHCI_STATE_REMOVING) { + spin_unlock_irqrestore(&xhci->lock, flags); + return; + } if (xhci->xhc_state & XHCI_STATE_DYING) { xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "Stop EP timer ran, but another timer marked " @@ -903,7 +907,7 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) spin_unlock_irqrestore(&xhci->lock, flags); xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "Calling usb_hc_died()"); - usb_hc_died(xhci_to_hcd(xhci)->primary_hcd); + usb_hc_died(xhci_to_hcd(xhci)); xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "xHCI host controller is dead."); } diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index 192248f974ec..fe08e776fec3 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -290,6 +290,7 @@ int musb_hub_control( u32 temp; int retval = 0; unsigned long flags; + bool start_musb = false; spin_lock_irqsave(&musb->lock, flags); @@ -390,7 +391,7 @@ int musb_hub_control( * logic relating to VBUS power-up. */ if (!hcd->self.is_b_host && musb_has_gadget(musb)) - musb_start(musb); + start_musb = true; break; case USB_PORT_FEAT_RESET: musb_port_reset(musb, true); @@ -451,5 +452,9 @@ error: retval = -EPIPE; } spin_unlock_irqrestore(&musb->lock, flags); + + if (start_musb) + musb_start(musb); + return retval; } diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c index 980c9dee09eb..427efb5eebae 100644 --- a/drivers/usb/phy/phy-generic.c +++ b/drivers/usb/phy/phy-generic.c @@ -144,14 +144,18 @@ static irqreturn_t nop_gpio_vbus_thread(int irq, void *data) int usb_gen_phy_init(struct usb_phy *phy) { struct usb_phy_generic *nop = dev_get_drvdata(phy->dev); + int ret; if (!IS_ERR(nop->vcc)) { if (regulator_enable(nop->vcc)) dev_err(phy->dev, "Failed to enable power\n"); } - if (!IS_ERR(nop->clk)) - clk_prepare_enable(nop->clk); + if (!IS_ERR(nop->clk)) { + ret = clk_prepare_enable(nop->clk); + if (ret) + return ret; + } nop_reset(nop); diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c index d4be5d594896..28965ef4f824 100644 --- a/drivers/usb/renesas_usbhs/mod.c +++ b/drivers/usb/renesas_usbhs/mod.c @@ -282,9 +282,16 @@ static irqreturn_t usbhs_interrupt(int irq, void *data) if (usbhs_mod_is_host(priv)) usbhs_write(priv, INTSTS1, ~irq_state.intsts1 & INTSTS1_MAGIC); - usbhs_write(priv, BRDYSTS, ~irq_state.brdysts); + /* + * The driver should not clear the xxxSTS after the line of + * "call irq callback functions" because each "if" statement is + * possible to call the callback function for avoiding any side effects. + */ + if (irq_state.intsts0 & BRDY) + usbhs_write(priv, BRDYSTS, ~irq_state.brdysts); usbhs_write(priv, NRDYSTS, ~irq_state.nrdysts); - usbhs_write(priv, BEMPSTS, ~irq_state.bempsts); + if (irq_state.intsts0 & BEMP) + usbhs_write(priv, BEMPSTS, ~irq_state.bempsts); /* * call irq callback functions diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 92bc83b92d10..c4c64740a3e7 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -1076,7 +1076,7 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv) gpriv->transceiver = usb_get_phy(USB_PHY_TYPE_UNDEFINED); dev_info(dev, "%stransceiver found\n", - gpriv->transceiver ? "" : "no "); + !IS_ERR(gpriv->transceiver) ? "" : "no "); /* * CAUTION diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 5608af4a369d..de9992b492b0 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -1252,7 +1252,7 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port, if (urb->transfer_buffer == NULL) { urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE, - GFP_KERNEL); + GFP_ATOMIC); if (!urb->transfer_buffer) goto exit; } diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index ed378fb232e7..57426d703a09 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -1340,8 +1340,8 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port, } if (urb->transfer_buffer == NULL) { - urb->transfer_buffer = - kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL); + urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE, + GFP_ATOMIC); if (!urb->transfer_buffer) goto exit; } diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index bc472584a229..9894e341c6ac 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -525,6 +525,12 @@ static void option_instat_callback(struct urb *urb); #define VIATELECOM_VENDOR_ID 0x15eb #define VIATELECOM_PRODUCT_CDS7 0x0001 +/* WeTelecom products */ +#define WETELECOM_VENDOR_ID 0x22de +#define WETELECOM_PRODUCT_WMD200 0x6801 +#define WETELECOM_PRODUCT_6802 0x6802 +#define WETELECOM_PRODUCT_WMD300 0x6803 + struct option_blacklist_info { /* bitmask of interface numbers blacklisted for send_setup */ const unsigned long sendsetup; @@ -1991,6 +1997,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) }, + { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_6802, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD300, 0xff, 0xff, 0xff) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index e383ecdaca59..ed9c9eeedfe5 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -167,7 +167,7 @@ static bool vring_use_dma_api(struct virtio_device *vdev) * making all of the arch DMA ops work on the vring device itself * is a mess. For now, we use the parent device for DMA ops. */ -struct device *vring_dma_dev(const struct vring_virtqueue *vq) +static struct device *vring_dma_dev(const struct vring_virtqueue *vq) { return vq->vq.vdev->dev.parent; } |