diff options
Diffstat (limited to 'drivers/soc/ti')
-rw-r--r-- | drivers/soc/ti/Kconfig | 18 | ||||
-rw-r--r-- | drivers/soc/ti/k3-ringacc.c | 98 | ||||
-rw-r--r-- | drivers/soc/ti/k3-socinfo.c | 1 | ||||
-rw-r--r-- | drivers/soc/ti/knav_dma.c | 15 | ||||
-rw-r--r-- | drivers/soc/ti/knav_qmss_queue.c | 66 | ||||
-rw-r--r-- | drivers/soc/ti/omap_prm.c | 84 | ||||
-rw-r--r-- | drivers/soc/ti/pm33xx.c | 21 | ||||
-rw-r--r-- | drivers/soc/ti/pruss.c | 6 | ||||
-rw-r--r-- | drivers/soc/ti/ti_sci_inta_msi.c | 12 | ||||
-rw-r--r-- | drivers/soc/ti/wkup_m3_ipc.c | 8 |
10 files changed, 208 insertions, 121 deletions
diff --git a/drivers/soc/ti/Kconfig b/drivers/soc/ti/Kconfig index f5b82ffa637b..7e2fb1c16af1 100644 --- a/drivers/soc/ti/Kconfig +++ b/drivers/soc/ti/Kconfig @@ -1,22 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only -# 64-bit ARM SoCs from TI -if ARM64 - -if ARCH_K3 - -config ARCH_K3_AM6_SOC - bool "K3 AM6 SoC" - help - Enable support for TI's AM6 SoC Family support - -config ARCH_K3_J721E_SOC - bool "K3 J721E SoC" - help - Enable support for TI's J721E SoC Family support - -endif - -endif # # TI SOC drivers diff --git a/drivers/soc/ti/k3-ringacc.c b/drivers/soc/ti/k3-ringacc.c index 1147dc4c1d59..119164abcb41 100644 --- a/drivers/soc/ti/k3-ringacc.c +++ b/drivers/soc/ti/k3-ringacc.c @@ -137,10 +137,12 @@ struct k3_ring_state { * @elm_size: Size of the ring element * @mode: Ring mode * @flags: flags + * @state: Ring state * @ring_id: Ring Id * @parent: Pointer on struct @k3_ringacc * @use_count: Use count for shared rings * @proxy_id: RA Ring Proxy Id (only if @K3_RINGACC_RING_USE_PROXY) + * @dma_dev: device to be used for DMA API (allocation, mapping) */ struct k3_ring { struct k3_ring_rt_regs __iomem *rt; @@ -160,6 +162,7 @@ struct k3_ring { struct k3_ringacc *parent; u32 use_count; int proxy_id; + struct device *dma_dev; }; struct k3_ringacc_ops { @@ -365,20 +368,16 @@ EXPORT_SYMBOL_GPL(k3_ringacc_request_rings_pair); static void k3_ringacc_ring_reset_sci(struct k3_ring *ring) { + struct ti_sci_msg_rm_ring_cfg ring_cfg = { 0 }; struct k3_ringacc *ringacc = ring->parent; int ret; - ret = ringacc->tisci_ring_ops->config( - ringacc->tisci, - TI_SCI_MSG_VALUE_RM_RING_COUNT_VALID, - ringacc->tisci_dev_id, - ring->ring_id, - 0, - 0, - ring->size, - 0, - 0, - 0); + ring_cfg.nav_id = ringacc->tisci_dev_id; + ring_cfg.index = ring->ring_id; + ring_cfg.valid_params = TI_SCI_MSG_VALUE_RM_RING_COUNT_VALID; + ring_cfg.count = ring->size; + + ret = ringacc->tisci_ring_ops->set_cfg(ringacc->tisci, &ring_cfg); if (ret) dev_err(ringacc->dev, "TISCI reset ring fail (%d) ring_idx %d\n", ret, ring->ring_id); @@ -398,20 +397,16 @@ EXPORT_SYMBOL_GPL(k3_ringacc_ring_reset); static void k3_ringacc_ring_reconfig_qmode_sci(struct k3_ring *ring, enum k3_ring_mode mode) { + struct ti_sci_msg_rm_ring_cfg ring_cfg = { 0 }; struct k3_ringacc *ringacc = ring->parent; int ret; - ret = ringacc->tisci_ring_ops->config( - ringacc->tisci, - TI_SCI_MSG_VALUE_RM_RING_MODE_VALID, - ringacc->tisci_dev_id, - ring->ring_id, - 0, - 0, - 0, - mode, - 0, - 0); + ring_cfg.nav_id = ringacc->tisci_dev_id; + ring_cfg.index = ring->ring_id; + ring_cfg.valid_params = TI_SCI_MSG_VALUE_RM_RING_MODE_VALID; + ring_cfg.mode = mode; + + ret = ringacc->tisci_ring_ops->set_cfg(ringacc->tisci, &ring_cfg); if (ret) dev_err(ringacc->dev, "TISCI reconf qmode fail (%d) ring_idx %d\n", ret, ring->ring_id); @@ -478,20 +473,15 @@ EXPORT_SYMBOL_GPL(k3_ringacc_ring_reset_dma); static void k3_ringacc_ring_free_sci(struct k3_ring *ring) { + struct ti_sci_msg_rm_ring_cfg ring_cfg = { 0 }; struct k3_ringacc *ringacc = ring->parent; int ret; - ret = ringacc->tisci_ring_ops->config( - ringacc->tisci, - TI_SCI_MSG_VALUE_RM_ALL_NO_ORDER, - ringacc->tisci_dev_id, - ring->ring_id, - 0, - 0, - 0, - 0, - 0, - 0); + ring_cfg.nav_id = ringacc->tisci_dev_id; + ring_cfg.index = ring->ring_id; + ring_cfg.valid_params = TI_SCI_MSG_VALUE_RM_ALL_NO_ORDER; + + ret = ringacc->tisci_ring_ops->set_cfg(ringacc->tisci, &ring_cfg); if (ret) dev_err(ringacc->dev, "TISCI ring free fail (%d) ring_idx %d\n", ret, ring->ring_id); @@ -521,11 +511,12 @@ int k3_ringacc_ring_free(struct k3_ring *ring) k3_ringacc_ring_free_sci(ring); - dma_free_coherent(ringacc->dev, + dma_free_coherent(ring->dma_dev, ring->size * (4 << ring->elm_size), ring->ring_mem_virt, ring->ring_mem_dma); ring->flags = 0; ring->ops = NULL; + ring->dma_dev = NULL; if (ring->proxy_id != K3_RINGACC_PROXY_NOT_USED) { clear_bit(ring->proxy_id, ringacc->proxy_inuse); ring->proxy = NULL; @@ -575,28 +566,26 @@ EXPORT_SYMBOL_GPL(k3_ringacc_get_ring_irq_num); static int k3_ringacc_ring_cfg_sci(struct k3_ring *ring) { + struct ti_sci_msg_rm_ring_cfg ring_cfg = { 0 }; struct k3_ringacc *ringacc = ring->parent; - u32 ring_idx; int ret; if (!ringacc->tisci) return -EINVAL; - ring_idx = ring->ring_id; - ret = ringacc->tisci_ring_ops->config( - ringacc->tisci, - TI_SCI_MSG_VALUE_RM_ALL_NO_ORDER, - ringacc->tisci_dev_id, - ring_idx, - lower_32_bits(ring->ring_mem_dma), - upper_32_bits(ring->ring_mem_dma), - ring->size, - ring->mode, - ring->elm_size, - 0); + ring_cfg.nav_id = ringacc->tisci_dev_id; + ring_cfg.index = ring->ring_id; + ring_cfg.valid_params = TI_SCI_MSG_VALUE_RM_ALL_NO_ORDER; + ring_cfg.addr_lo = lower_32_bits(ring->ring_mem_dma); + ring_cfg.addr_hi = upper_32_bits(ring->ring_mem_dma); + ring_cfg.count = ring->size; + ring_cfg.mode = ring->mode; + ring_cfg.size = ring->elm_size; + + ret = ringacc->tisci_ring_ops->set_cfg(ringacc->tisci, &ring_cfg); if (ret) dev_err(ringacc->dev, "TISCI config ring fail (%d) ring_idx %d\n", - ret, ring_idx); + ret, ring->ring_id); return ret; } @@ -648,8 +637,12 @@ int k3_ringacc_ring_cfg(struct k3_ring *ring, struct k3_ring_cfg *cfg) switch (ring->mode) { case K3_RINGACC_RING_MODE_RING: ring->ops = &k3_ring_mode_ring_ops; + ring->dma_dev = cfg->dma_dev; + if (!ring->dma_dev) + ring->dma_dev = ringacc->dev; break; case K3_RINGACC_RING_MODE_MESSAGE: + ring->dma_dev = ringacc->dev; if (ring->proxy) ring->ops = &k3_ring_mode_proxy_ops; else @@ -661,9 +654,9 @@ int k3_ringacc_ring_cfg(struct k3_ring *ring, struct k3_ring_cfg *cfg) goto err_free_proxy; } - ring->ring_mem_virt = dma_alloc_coherent(ringacc->dev, - ring->size * (4 << ring->elm_size), - &ring->ring_mem_dma, GFP_KERNEL); + ring->ring_mem_virt = dma_alloc_coherent(ring->dma_dev, + ring->size * (4 << ring->elm_size), + &ring->ring_mem_dma, GFP_KERNEL); if (!ring->ring_mem_virt) { dev_err(ringacc->dev, "Failed to alloc ring mem\n"); ret = -ENOMEM; @@ -684,12 +677,13 @@ int k3_ringacc_ring_cfg(struct k3_ring *ring, struct k3_ring_cfg *cfg) return 0; err_free_mem: - dma_free_coherent(ringacc->dev, + dma_free_coherent(ring->dma_dev, ring->size * (4 << ring->elm_size), ring->ring_mem_virt, ring->ring_mem_dma); err_free_ops: ring->ops = NULL; + ring->dma_dev = NULL; err_free_proxy: ring->proxy = NULL; return ret; diff --git a/drivers/soc/ti/k3-socinfo.c b/drivers/soc/ti/k3-socinfo.c index bbbc2d2b7091..fd91129de6e5 100644 --- a/drivers/soc/ti/k3-socinfo.c +++ b/drivers/soc/ti/k3-socinfo.c @@ -40,6 +40,7 @@ static const struct k3_soc_id { { 0xBB5A, "AM65X" }, { 0xBB64, "J721E" }, { 0xBB6D, "J7200" }, + { 0xBB38, "AM64X" } }; static int diff --git a/drivers/soc/ti/knav_dma.c b/drivers/soc/ti/knav_dma.c index 8c863ecb1c60..7b5cb5d48f7d 100644 --- a/drivers/soc/ti/knav_dma.c +++ b/drivers/soc/ti/knav_dma.c @@ -500,7 +500,7 @@ EXPORT_SYMBOL_GPL(knav_dma_open_channel); /** * knav_dma_close_channel() - Destroy a dma channel * - * channel: dma channel handle + * @channel: dma channel handle * */ void knav_dma_close_channel(void *channel) @@ -749,8 +749,9 @@ static int knav_dma_probe(struct platform_device *pdev) pm_runtime_enable(kdev->dev); ret = pm_runtime_get_sync(kdev->dev); if (ret < 0) { + pm_runtime_put_noidle(kdev->dev); dev_err(kdev->dev, "unable to enable pktdma, err %d\n", ret); - return ret; + goto err_pm_disable; } /* Initialise all packet dmas */ @@ -764,7 +765,8 @@ static int knav_dma_probe(struct platform_device *pdev) if (list_empty(&kdev->list)) { dev_err(dev, "no valid dma instance\n"); - return -ENODEV; + ret = -ENODEV; + goto err_put_sync; } debugfs_create_file("knav_dma", S_IFREG | S_IRUGO, NULL, NULL, @@ -772,6 +774,13 @@ static int knav_dma_probe(struct platform_device *pdev) device_ready = true; return ret; + +err_put_sync: + pm_runtime_put_sync(kdev->dev); +err_pm_disable: + pm_runtime_disable(kdev->dev); + + return ret; } static int knav_dma_remove(struct platform_device *pdev) diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c index a460f201bf8e..2e521f1eda96 100644 --- a/drivers/soc/ti/knav_qmss_queue.c +++ b/drivers/soc/ti/knav_qmss_queue.c @@ -79,7 +79,7 @@ EXPORT_SYMBOL_GPL(knav_qmss_device_ready); /** * knav_queue_notify: qmss queue notfier call * - * @inst: qmss queue instance like accumulator + * @inst: - qmss queue instance like accumulator */ void knav_queue_notify(struct knav_queue_inst *inst) { @@ -511,10 +511,10 @@ static int knav_queue_flush(struct knav_queue *qh) /** * knav_queue_open() - open a hardware queue - * @name - name to give the queue handle - * @id - desired queue number if any or specifes the type + * @name: - name to give the queue handle + * @id: - desired queue number if any or specifes the type * of queue - * @flags - the following flags are applicable to queues: + * @flags: - the following flags are applicable to queues: * KNAV_QUEUE_SHARED - allow the queue to be shared. Queues are * exclusive by default. * Subsequent attempts to open a shared queue should @@ -545,7 +545,7 @@ EXPORT_SYMBOL_GPL(knav_queue_open); /** * knav_queue_close() - close a hardware queue handle - * @qh - handle to close + * @qhandle: - handle to close */ void knav_queue_close(void *qhandle) { @@ -572,9 +572,9 @@ EXPORT_SYMBOL_GPL(knav_queue_close); /** * knav_queue_device_control() - Perform control operations on a queue - * @qh - queue handle - * @cmd - control commands - * @arg - command argument + * @qhandle: - queue handle + * @cmd: - control commands + * @arg: - command argument * * Returns 0 on success, errno otherwise. */ @@ -623,10 +623,10 @@ EXPORT_SYMBOL_GPL(knav_queue_device_control); /** * knav_queue_push() - push data (or descriptor) to the tail of a queue - * @qh - hardware queue handle - * @data - data to push - * @size - size of data to push - * @flags - can be used to pass additional information + * @qhandle: - hardware queue handle + * @dma: - DMA data to push + * @size: - size of data to push + * @flags: - can be used to pass additional information * * Returns 0 on success, errno otherwise. */ @@ -646,8 +646,8 @@ EXPORT_SYMBOL_GPL(knav_queue_push); /** * knav_queue_pop() - pop data (or descriptor) from the head of a queue - * @qh - hardware queue handle - * @size - (optional) size of the data pop'ed. + * @qhandle: - hardware queue handle + * @size: - (optional) size of the data pop'ed. * * Returns a DMA address on success, 0 on failure. */ @@ -746,9 +746,9 @@ EXPORT_SYMBOL_GPL(knav_pool_desc_dma_to_virt); /** * knav_pool_create() - Create a pool of descriptors - * @name - name to give the pool handle - * @num_desc - numbers of descriptors in the pool - * @region_id - QMSS region id from which the descriptors are to be + * @name: - name to give the pool handle + * @num_desc: - numbers of descriptors in the pool + * @region_id: - QMSS region id from which the descriptors are to be * allocated. * * Returns a pool handle on success. @@ -856,7 +856,7 @@ EXPORT_SYMBOL_GPL(knav_pool_create); /** * knav_pool_destroy() - Free a pool of descriptors - * @pool - pool handle + * @ph: - pool handle */ void knav_pool_destroy(void *ph) { @@ -884,7 +884,7 @@ EXPORT_SYMBOL_GPL(knav_pool_destroy); /** * knav_pool_desc_get() - Get a descriptor from the pool - * @pool - pool handle + * @ph: - pool handle * * Returns descriptor from the pool. */ @@ -905,7 +905,8 @@ EXPORT_SYMBOL_GPL(knav_pool_desc_get); /** * knav_pool_desc_put() - return a descriptor to the pool - * @pool - pool handle + * @ph: - pool handle + * @desc: - virtual address */ void knav_pool_desc_put(void *ph, void *desc) { @@ -918,11 +919,11 @@ EXPORT_SYMBOL_GPL(knav_pool_desc_put); /** * knav_pool_desc_map() - Map descriptor for DMA transfer - * @pool - pool handle - * @desc - address of descriptor to map - * @size - size of descriptor to map - * @dma - DMA address return pointer - * @dma_sz - adjusted return pointer + * @ph: - pool handle + * @desc: - address of descriptor to map + * @size: - size of descriptor to map + * @dma: - DMA address return pointer + * @dma_sz: - adjusted return pointer * * Returns 0 on success, errno otherwise. */ @@ -945,9 +946,9 @@ EXPORT_SYMBOL_GPL(knav_pool_desc_map); /** * knav_pool_desc_unmap() - Unmap descriptor after DMA transfer - * @pool - pool handle - * @dma - DMA address of descriptor to unmap - * @dma_sz - size of descriptor to unmap + * @ph: - pool handle + * @dma: - DMA address of descriptor to unmap + * @dma_sz: - size of descriptor to unmap * * Returns descriptor address on success, Use IS_ERR_OR_NULL() to identify * error values on return. @@ -968,7 +969,7 @@ EXPORT_SYMBOL_GPL(knav_pool_desc_unmap); /** * knav_pool_count() - Get the number of descriptors in pool. - * @pool - pool handle + * @ph: - pool handle * Returns number of elements in the pool. */ int knav_pool_count(void *ph) @@ -1307,12 +1308,11 @@ static int knav_setup_queue_pools(struct knav_device *kdev, struct device_node *queue_pools) { struct device_node *type, *range; - int ret; for_each_child_of_node(queue_pools, type) { for_each_child_of_node(type, range) { - ret = knav_setup_queue_range(kdev, range); /* return value ignored, we init the rest... */ + knav_setup_queue_range(kdev, range); } } @@ -1784,6 +1784,7 @@ static int knav_queue_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); ret = pm_runtime_get_sync(&pdev->dev); if (ret < 0) { + pm_runtime_put_noidle(&pdev->dev); dev_err(dev, "Failed to enable QMSS\n"); return ret; } @@ -1851,9 +1852,10 @@ static int knav_queue_probe(struct platform_device *pdev) if (ret) goto err; - regions = of_get_child_by_name(node, "descriptor-regions"); + regions = of_get_child_by_name(node, "descriptor-regions"); if (!regions) { dev_err(dev, "descriptor-regions not specified\n"); + ret = -ENODEV; goto err; } ret = knav_queue_setup_regions(kdev, regions); diff --git a/drivers/soc/ti/omap_prm.c b/drivers/soc/ti/omap_prm.c index 980b04c38fd9..f97f629b6b6b 100644 --- a/drivers/soc/ti/omap_prm.c +++ b/drivers/soc/ti/omap_prm.c @@ -7,6 +7,7 @@ */ #include <linux/kernel.h> +#include <linux/clk.h> #include <linux/device.h> #include <linux/io.h> #include <linux/iopoll.h> @@ -14,6 +15,7 @@ #include <linux/of.h> #include <linux/of_device.h> #include <linux/platform_device.h> +#include <linux/pm_clock.h> #include <linux/pm_domain.h> #include <linux/reset-controller.h> #include <linux/delay.h> @@ -41,6 +43,7 @@ struct omap_prm_domain { u16 pwrstst; const struct omap_prm_domain_map *cap; u32 pwrstctrl_saved; + unsigned int uses_pm_clk:1; }; struct omap_rst_map { @@ -121,6 +124,10 @@ static const struct omap_prm_domain_map omap_prm_onoff_noauto = { .statechange = 1, }; +static const struct omap_prm_domain_map omap_prm_alwon = { + .usable_modes = BIT(OMAP_PRMD_ON_ACTIVE), +}; + static const struct omap_rst_map rst_map_0[] = { { .rst = 0, .st = 0 }, { .rst = -1 }, @@ -187,14 +194,40 @@ static const struct omap_rst_map am3_wkup_rst_map[] = { }; static const struct omap_prm_data am3_prm_data[] = { - { .name = "per", .base = 0x44e00c00, .rstctrl = 0x0, .rstmap = am3_per_rst_map, .flags = OMAP_PRM_HAS_RSTCTRL, .clkdm_name = "pruss_ocp" }, - { .name = "wkup", .base = 0x44e00d00, .rstctrl = 0x0, .rstst = 0xc, .rstmap = am3_wkup_rst_map, .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM }, - { .name = "device", .base = 0x44e00f00, .rstctrl = 0x0, .rstst = 0x8, .rstmap = rst_map_01, .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM }, + { + .name = "per", .base = 0x44e00c00, + .pwrstctrl = 0xc, .pwrstst = 0x8, .dmap = &omap_prm_noinact, + .rstctrl = 0x0, .rstmap = am3_per_rst_map, + .flags = OMAP_PRM_HAS_RSTCTRL, .clkdm_name = "pruss_ocp" + }, + { + .name = "wkup", .base = 0x44e00d00, + .pwrstctrl = 0x4, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + .rstctrl = 0x0, .rstst = 0xc, .rstmap = am3_wkup_rst_map, + .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM + }, + { + .name = "mpu", .base = 0x44e00e00, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_noinact, + }, + { + .name = "device", .base = 0x44e00f00, + .rstctrl = 0x0, .rstst = 0x8, .rstmap = rst_map_01, + .flags = OMAP_PRM_HAS_RSTCTRL | OMAP_PRM_HAS_NO_CLKDM + }, + { + .name = "rtc", .base = 0x44e01000, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_alwon, + }, { .name = "gfx", .base = 0x44e01100, .pwrstctrl = 0, .pwrstst = 0x10, .dmap = &omap_prm_noinact, .rstctrl = 0x4, .rstst = 0x14, .rstmap = rst_map_0, .clkdm_name = "gfx_l3", }, + { + .name = "cefuse", .base = 0x44e01200, + .pwrstctrl = 0x0, .pwrstst = 0x4, .dmap = &omap_prm_onoff_noauto, + }, { }, }; @@ -325,6 +358,38 @@ static int omap_prm_domain_power_off(struct generic_pm_domain *domain) return 0; } +/* + * Note that ti-sysc already manages the module clocks separately so + * no need to manage those. Interconnect instances need clocks managed + * for simple-pm-bus. + */ +static int omap_prm_domain_attach_clock(struct device *dev, + struct omap_prm_domain *prmd) +{ + struct device_node *np = dev->of_node; + int error; + + if (!of_device_is_compatible(np, "simple-pm-bus")) + return 0; + + if (!of_property_read_bool(np, "clocks")) + return 0; + + error = pm_clk_create(dev); + if (error) + return error; + + error = of_pm_clk_add_clks(dev); + if (error < 0) { + pm_clk_destroy(dev); + return error; + } + + prmd->uses_pm_clk = 1; + + return 0; +} + static int omap_prm_domain_attach_dev(struct generic_pm_domain *domain, struct device *dev) { @@ -349,6 +414,10 @@ static int omap_prm_domain_attach_dev(struct generic_pm_domain *domain, genpd_data = dev_gpd_data(dev); genpd_data->data = NULL; + ret = omap_prm_domain_attach_clock(dev, prmd); + if (ret) + return ret; + return 0; } @@ -356,7 +425,11 @@ static void omap_prm_domain_detach_dev(struct generic_pm_domain *domain, struct device *dev) { struct generic_pm_domain_data *genpd_data; + struct omap_prm_domain *prmd; + prmd = genpd_to_prm_domain(domain); + if (prmd->uses_pm_clk) + pm_clk_destroy(dev); genpd_data = dev_gpd_data(dev); genpd_data->data = NULL; } @@ -393,6 +466,7 @@ static int omap_prm_domain_init(struct device *dev, struct omap_prm *prm) prmd->pd.power_off = omap_prm_domain_power_off; prmd->pd.attach_dev = omap_prm_domain_attach_dev; prmd->pd.detach_dev = omap_prm_domain_detach_dev; + prmd->pd.flags = GENPD_FLAG_PM_CLK; pm_genpd_init(&prmd->pd, NULL, true); error = of_genpd_add_provider_simple(np, &prmd->pd); @@ -484,6 +558,10 @@ static int omap_reset_deassert(struct reset_controller_dev *rcdev, struct ti_prm_platform_data *pdata = dev_get_platdata(reset->dev); int ret = 0; + /* Nothing to do if the reset is already deasserted */ + if (!omap_reset_status(rcdev, id)) + return 0; + has_rstst = reset->prm->data->rstst || (reset->prm->data->flags & OMAP_PRM_HAS_RSTST); diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c index d2f5e7001a93..64f3e3105540 100644 --- a/drivers/soc/ti/pm33xx.c +++ b/drivers/soc/ti/pm33xx.c @@ -19,6 +19,7 @@ #include <linux/of_address.h> #include <linux/platform_data/pm33xx.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/rtc.h> #include <linux/rtc/rtc-omap.h> #include <linux/sizes.h> @@ -135,13 +136,11 @@ static int am33xx_push_sram_idle(void) static int am33xx_do_sram_idle(u32 wfi_flags) { - int ret = 0; - if (!m3_ipc || !pm_ops) return 0; if (wfi_flags & WFI_FLAG_WAKE_M3) - ret = m3_ipc->ops->prepare_low_power(m3_ipc, WKUP_M3_IDLE); + m3_ipc->ops->prepare_low_power(m3_ipc, WKUP_M3_IDLE); return pm_ops->cpu_suspend(am33xx_do_wfi_sram, wfi_flags); } @@ -555,16 +554,26 @@ static int am33xx_pm_probe(struct platform_device *pdev) suspend_wfi_flags |= WFI_FLAG_WAKE_M3; #endif /* CONFIG_SUSPEND */ + pm_runtime_enable(dev); + ret = pm_runtime_get_sync(dev); + if (ret < 0) { + pm_runtime_put_noidle(dev); + goto err_pm_runtime_disable; + } + ret = pm_ops->init(am33xx_do_sram_idle); if (ret) { dev_err(dev, "Unable to call core pm init!\n"); ret = -ENODEV; - goto err_put_wkup_m3_ipc; + goto err_pm_runtime_put; } return 0; -err_put_wkup_m3_ipc: +err_pm_runtime_put: + pm_runtime_put_sync(dev); +err_pm_runtime_disable: + pm_runtime_disable(dev); wkup_m3_ipc_put(m3_ipc); err_free_sram: am33xx_pm_free_sram(); @@ -574,6 +583,8 @@ err_free_sram: static int am33xx_pm_remove(struct platform_device *pdev) { + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); if (pm_ops->deinit) pm_ops->deinit(); suspend_set_ops(NULL); diff --git a/drivers/soc/ti/pruss.c b/drivers/soc/ti/pruss.c index cc0b4ad7a3d3..5d6e7132a5c4 100644 --- a/drivers/soc/ti/pruss.c +++ b/drivers/soc/ti/pruss.c @@ -126,8 +126,6 @@ static int pruss_clk_init(struct pruss *pruss, struct device_node *cfg_node) int ret = 0; data = of_device_get_match_data(dev); - if (IS_ERR(data)) - return -ENODEV; clks_np = of_get_child_by_name(cfg_node, "clocks"); if (!clks_np) { @@ -175,10 +173,6 @@ static int pruss_probe(struct platform_device *pdev) const char *mem_names[PRUSS_MEM_MAX] = { "dram0", "dram1", "shrdram2" }; data = of_device_get_match_data(&pdev->dev); - if (IS_ERR(data)) { - dev_err(dev, "missing private data\n"); - return -ENODEV; - } ret = dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); if (ret) { diff --git a/drivers/soc/ti/ti_sci_inta_msi.c b/drivers/soc/ti/ti_sci_inta_msi.c index 0eb9462f609e..a1d9c027022a 100644 --- a/drivers/soc/ti/ti_sci_inta_msi.c +++ b/drivers/soc/ti/ti_sci_inta_msi.c @@ -89,6 +89,18 @@ static int ti_sci_inta_msi_alloc_descs(struct device *dev, list_add_tail(&msi_desc->list, dev_to_msi_list(dev)); count++; } + for (i = 0; i < res->desc[set].num_sec; i++) { + msi_desc = alloc_msi_entry(dev, 1, NULL); + if (!msi_desc) { + ti_sci_inta_msi_free_descs(dev); + return -ENOMEM; + } + + msi_desc->inta.dev_index = res->desc[set].start_sec + i; + INIT_LIST_HEAD(&msi_desc->list); + list_add_tail(&msi_desc->list, dev_to_msi_list(dev)); + count++; + } } return count; diff --git a/drivers/soc/ti/wkup_m3_ipc.c b/drivers/soc/ti/wkup_m3_ipc.c index e9ece45d7a33..c3e2161df732 100644 --- a/drivers/soc/ti/wkup_m3_ipc.c +++ b/drivers/soc/ti/wkup_m3_ipc.c @@ -218,6 +218,7 @@ static int wkup_m3_is_available(struct wkup_m3_ipc *m3_ipc) /* Public functions */ /** * wkup_m3_set_mem_type - Pass wkup_m3 which type of memory is in use + * @m3_ipc: Pointer to wkup_m3_ipc context * @mem_type: memory type value read directly from emif * * wkup_m3 must know what memory type is in use to properly suspend @@ -230,6 +231,7 @@ static void wkup_m3_set_mem_type(struct wkup_m3_ipc *m3_ipc, int mem_type) /** * wkup_m3_set_resume_address - Pass wkup_m3 resume address + * @m3_ipc: Pointer to wkup_m3_ipc context * @addr: Physical address from which resume code should execute */ static void wkup_m3_set_resume_address(struct wkup_m3_ipc *m3_ipc, void *addr) @@ -239,6 +241,7 @@ static void wkup_m3_set_resume_address(struct wkup_m3_ipc *m3_ipc, void *addr) /** * wkup_m3_request_pm_status - Retrieve wkup_m3 status code after suspend + * @m3_ipc: Pointer to wkup_m3_ipc context * * Returns code representing the status of a low power mode transition. * 0 - Successful transition @@ -260,6 +263,7 @@ static int wkup_m3_request_pm_status(struct wkup_m3_ipc *m3_ipc) /** * wkup_m3_prepare_low_power - Request preparation for transition to * low power state + * @m3_ipc: Pointer to wkup_m3_ipc context * @state: A kernel suspend state to enter, either MEM or STANDBY * * Returns 0 if preparation was successful, otherwise returns error code @@ -315,6 +319,7 @@ static int wkup_m3_prepare_low_power(struct wkup_m3_ipc *m3_ipc, int state) /** * wkup_m3_finish_low_power - Return m3 to reset state + * @m3_ipc: Pointer to wkup_m3_ipc context * * Returns 0 if reset was successful, otherwise returns error code */ @@ -362,8 +367,7 @@ static const char *wkup_m3_request_wake_src(struct wkup_m3_ipc *m3_ipc) /** * wkup_m3_set_rtc_only - Set the rtc_only flag - * @wkup_m3_wakeup: struct wkup_m3_wakeup_src * gets assigned the - * wakeup src value + * @m3_ipc: Pointer to wkup_m3_ipc context */ static void wkup_m3_set_rtc_only(struct wkup_m3_ipc *m3_ipc) { |