diff options
Diffstat (limited to 'drivers')
33 files changed, 563 insertions, 336 deletions
diff --git a/drivers/acpi/acpi_amba.c b/drivers/acpi/acpi_amba.c index ab8a4e0191b1..9d69546db2a4 100644 --- a/drivers/acpi/acpi_amba.c +++ b/drivers/acpi/acpi_amba.c @@ -48,6 +48,7 @@ static void amba_register_dummy_clk(void) static int amba_handler_attach(struct acpi_device *adev, const struct acpi_device_id *id) { + struct acpi_device *parent = acpi_dev_parent(adev); struct amba_device *dev; struct resource_entry *rentry; struct list_head resource_list; @@ -97,8 +98,8 @@ static int amba_handler_attach(struct acpi_device *adev, * attached to it, that physical device should be the parent of * the amba device we are about to create. */ - if (adev->parent) - dev->dev.parent = acpi_get_first_physical_node(adev->parent); + if (parent) + dev->dev.parent = acpi_get_first_physical_node(parent); ACPI_COMPANION_SET(&dev->dev, adev); diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index ad245bbd965e..3bbe2276cac7 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -60,12 +60,6 @@ static int acpi_apd_setup(struct apd_private_data *pdata) } #ifdef CONFIG_X86_AMD_PLATFORM_DEVICE -static int misc_check_res(struct acpi_resource *ares, void *data) -{ - struct resource res; - - return !acpi_dev_resource_memory(ares, &res); -} static int fch_misc_setup(struct apd_private_data *pdata) { @@ -82,8 +76,7 @@ static int fch_misc_setup(struct apd_private_data *pdata) return -ENOMEM; INIT_LIST_HEAD(&resource_list); - ret = acpi_dev_get_resources(adev, &resource_list, misc_check_res, - NULL); + ret = acpi_dev_get_memory_resources(adev, &resource_list); if (ret < 0) return -ENOENT; diff --git a/drivers/acpi/acpi_fpdt.c b/drivers/acpi/acpi_fpdt.c index 6922a44b3ce7..a2056c4c8cb7 100644 --- a/drivers/acpi/acpi_fpdt.c +++ b/drivers/acpi/acpi_fpdt.c @@ -143,6 +143,23 @@ static const struct attribute_group boot_attr_group = { static struct kobject *fpdt_kobj; +#if defined CONFIG_X86 && defined CONFIG_PHYS_ADDR_T_64BIT +#include <linux/processor.h> +static bool fpdt_address_valid(u64 address) +{ + /* + * On some systems the table contains invalid addresses + * with unsuppored high address bits set, check for this. + */ + return !(address >> boot_cpu_data.x86_phys_bits); +} +#else +static bool fpdt_address_valid(u64 address) +{ + return true; +} +#endif + static int fpdt_process_subtable(u64 address, u32 subtable_type) { struct fpdt_subtable_header *subtable_header; @@ -151,6 +168,11 @@ static int fpdt_process_subtable(u64 address, u32 subtable_type) u32 length, offset; int result; + if (!fpdt_address_valid(address)) { + pr_info(FW_BUG "invalid physical address: 0x%llx!\n", address); + return -EINVAL; + } + subtable_header = acpi_os_map_memory(address, sizeof(*subtable_header)); if (!subtable_header) return -ENOMEM; diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index c4d4d21391d7..7a73528aa9c2 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -392,13 +392,6 @@ static const struct acpi_device_id acpi_lpss_device_ids[] = { #ifdef CONFIG_X86_INTEL_LPSS -static int is_memory(struct acpi_resource *res, void *not_used) -{ - struct resource r; - - return !acpi_dev_resource_memory(res, &r); -} - /* LPSS main clock device. */ static struct platform_device *lpss_clk_dev; @@ -659,29 +652,25 @@ static int acpi_lpss_create_device(struct acpi_device *adev, return -ENOMEM; INIT_LIST_HEAD(&resource_list); - ret = acpi_dev_get_resources(adev, &resource_list, is_memory, NULL); + ret = acpi_dev_get_memory_resources(adev, &resource_list); if (ret < 0) goto err_out; - list_for_each_entry(rentry, &resource_list, node) - if (resource_type(rentry->res) == IORESOURCE_MEM) { - if (dev_desc->prv_size_override) - pdata->mmio_size = dev_desc->prv_size_override; - else - pdata->mmio_size = resource_size(rentry->res); - pdata->mmio_base = ioremap(rentry->res->start, - pdata->mmio_size); - break; - } + rentry = list_first_entry_or_null(&resource_list, struct resource_entry, node); + if (rentry) { + if (dev_desc->prv_size_override) + pdata->mmio_size = dev_desc->prv_size_override; + else + pdata->mmio_size = resource_size(rentry->res); + pdata->mmio_base = ioremap(rentry->res->start, pdata->mmio_size); + } acpi_dev_free_resource_list(&resource_list); if (!pdata->mmio_base) { /* Avoid acpi_bus_attach() instantiating a pdev for this dev. */ adev->pnp.type.platform_id = 0; - /* Skip the device, but continue the namespace scan. */ - ret = 0; - goto err_out; + goto out_free; } pdata->adev = adev; @@ -692,11 +681,8 @@ static int acpi_lpss_create_device(struct acpi_device *adev, if (dev_desc->flags & LPSS_CLK) { ret = register_device_clock(adev, pdata); - if (ret) { - /* Skip the device, but continue the namespace scan. */ - ret = 0; - goto err_out; - } + if (ret) + goto out_free; } /* @@ -708,15 +694,19 @@ static int acpi_lpss_create_device(struct acpi_device *adev, adev->driver_data = pdata; pdev = acpi_create_platform_device(adev, dev_desc->properties); - if (!IS_ERR_OR_NULL(pdev)) { - acpi_lpss_create_device_links(adev, pdev); - return 1; + if (IS_ERR_OR_NULL(pdev)) { + adev->driver_data = NULL; + ret = PTR_ERR(pdev); + goto err_out; } - ret = PTR_ERR(pdev); - adev->driver_data = NULL; + acpi_lpss_create_device_links(adev, pdev); + return 1; - err_out: +out_free: + /* Skip the device, but continue the namespace scan */ + ret = 0; +err_out: kfree(pdata); return ret; } diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index de3cbf152dee..fe00a5783f53 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -20,13 +20,13 @@ #include "internal.h" static const struct acpi_device_id forbidden_id_list[] = { + {"ACPI0009", 0}, /* IOxAPIC */ + {"ACPI000A", 0}, /* IOAPIC */ {"PNP0000", 0}, /* PIC */ {"PNP0100", 0}, /* Timer */ {"PNP0200", 0}, /* AT DMA Controller */ - {"ACPI0009", 0}, /* IOxAPIC */ - {"ACPI000A", 0}, /* IOAPIC */ {"SMB0001", 0}, /* ACPI SMBUS virtual device */ - {"", 0}, + { } }; static struct platform_device *acpi_platform_device_find_by_companion(struct acpi_device *adev) @@ -78,7 +78,7 @@ static void acpi_platform_fill_resource(struct acpi_device *adev, * If the device has parent we need to take its resources into * account as well because this device might consume part of those. */ - parent = acpi_get_first_physical_node(adev->parent); + parent = acpi_get_first_physical_node(acpi_dev_parent(adev)); if (parent && dev_is_pci(parent)) dest->parent = pci_find_resource(to_pci_dev(parent), dest); } @@ -97,6 +97,7 @@ static void acpi_platform_fill_resource(struct acpi_device *adev, struct platform_device *acpi_create_platform_device(struct acpi_device *adev, const struct property_entry *properties) { + struct acpi_device *parent = acpi_dev_parent(adev); struct platform_device *pdev = NULL; struct platform_device_info pdevinfo; struct resource_entry *rentry; @@ -113,13 +114,11 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev, INIT_LIST_HEAD(&resource_list); count = acpi_dev_get_resources(adev, &resource_list, NULL, NULL); - if (count < 0) { + if (count < 0) return NULL; - } else if (count > 0) { - resources = kcalloc(count, sizeof(struct resource), - GFP_KERNEL); + if (count > 0) { + resources = kcalloc(count, sizeof(*resources), GFP_KERNEL); if (!resources) { - dev_err(&adev->dev, "No memory for resources\n"); acpi_dev_free_resource_list(&resource_list); return ERR_PTR(-ENOMEM); } @@ -137,10 +136,9 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev, * attached to it, that physical device should be the parent of the * platform device we are about to create. */ - pdevinfo.parent = adev->parent ? - acpi_get_first_physical_node(adev->parent) : NULL; + pdevinfo.parent = parent ? acpi_get_first_physical_node(parent) : NULL; pdevinfo.name = dev_name(&adev->dev); - pdevinfo.id = -1; + pdevinfo.id = PLATFORM_DEVID_NONE; pdevinfo.res = resources; pdevinfo.num_res = count; pdevinfo.fwnode = acpi_fwnode_handle(adev); diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index 5cbe2196176d..92a6c6f9a9a7 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -2030,7 +2030,7 @@ static int acpi_video_bus_add(struct acpi_device *device) acpi_status status; status = acpi_walk_namespace(ACPI_TYPE_DEVICE, - device->parent->handle, 1, + acpi_dev_parent(device)->handle, 1, acpi_video_bus_match, NULL, device, NULL); if (status == AE_ALREADY_EXISTS) { diff --git a/drivers/acpi/arm64/dma.c b/drivers/acpi/arm64/dma.c index f16739ad3cc0..93d796531af3 100644 --- a/drivers/acpi/arm64/dma.c +++ b/drivers/acpi/arm64/dma.c @@ -4,11 +4,12 @@ #include <linux/device.h> #include <linux/dma-direct.h> -void acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size) +void acpi_arch_dma_setup(struct device *dev) { int ret; u64 end, mask; - u64 dmaaddr = 0, size = 0, offset = 0; + u64 size = 0; + const struct bus_dma_region *map = NULL; /* * If @dev is expected to be DMA-capable then the bus code that created @@ -26,7 +27,19 @@ void acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size) else size = 1ULL << 32; - ret = acpi_dma_get_range(dev, &dmaaddr, &offset, &size); + ret = acpi_dma_get_range(dev, &map); + if (!ret && map) { + const struct bus_dma_region *r = map; + + for (end = 0; r->size; r++) { + if (r->dma_start + r->size - 1 > end) + end = r->dma_start + r->size - 1; + } + + size = end + 1; + dev->dma_range_map = map; + } + if (ret == -ENODEV) ret = iort_dma_get_ranges(dev, &size); if (!ret) { @@ -34,17 +47,10 @@ void acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size) * Limit coherent and dma mask based on size retrieved from * firmware. */ - end = dmaaddr + size - 1; + end = size - 1; mask = DMA_BIT_MASK(ilog2(end) + 1); dev->bus_dma_limit = end; dev->coherent_dma_mask = min(dev->coherent_dma_mask, mask); *dev->dma_mask = min(*dev->dma_mask, mask); } - - *dma_addr = dmaaddr; - *dma_size = size; - - ret = dma_direct_set_offset(dev, dmaaddr + offset, dmaaddr, size); - - dev_dbg(dev, "dma_offset(%#08llx)%s\n", offset, ret ? " failed!" : ""); } diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index c0d20d997891..45eb901e9fcd 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -456,7 +456,7 @@ out_free: Notification Handling -------------------------------------------------------------------------- */ -/** +/* * acpi_bus_notify * --------------- * Callback for all 'system-level' device notifications (values 0x00-0x7F). @@ -511,7 +511,7 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data) break; } - adev = acpi_bus_get_acpi_device(handle); + adev = acpi_get_acpi_dev(handle); if (!adev) goto err; @@ -524,14 +524,14 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data) } if (!hotplug_event) { - acpi_bus_put_acpi_device(adev); + acpi_put_acpi_dev(adev); return; } if (ACPI_SUCCESS(acpi_hotplug_schedule(adev, type))) return; - acpi_bus_put_acpi_device(adev); + acpi_put_acpi_dev(adev); err: acpi_evaluate_ost(handle, type, ost_code, NULL); @@ -925,12 +925,13 @@ static const void *acpi_of_device_get_match_data(const struct device *dev) const void *acpi_device_get_match_data(const struct device *dev) { + const struct acpi_device_id *acpi_ids = dev->driver->acpi_match_table; const struct acpi_device_id *match; - if (!dev->driver->acpi_match_table) + if (!acpi_ids) return acpi_of_device_get_match_data(dev); - match = acpi_match_device(dev->driver->acpi_match_table, dev); + match = acpi_match_device(acpi_ids, dev); if (!match) return NULL; @@ -948,14 +949,13 @@ EXPORT_SYMBOL(acpi_match_device_ids); bool acpi_driver_match_device(struct device *dev, const struct device_driver *drv) { - if (!drv->acpi_match_table) - return acpi_of_match_device(ACPI_COMPANION(dev), - drv->of_match_table, - NULL); - - return __acpi_match_device(acpi_companion_match(dev), - drv->acpi_match_table, drv->of_match_table, - NULL, NULL); + const struct acpi_device_id *acpi_ids = drv->acpi_match_table; + const struct of_device_id *of_ids = drv->of_match_table; + + if (!acpi_ids) + return acpi_of_match_device(ACPI_COMPANION(dev), of_ids, NULL); + + return __acpi_match_device(acpi_companion_match(dev), acpi_ids, of_ids, NULL, NULL); } EXPORT_SYMBOL_GPL(acpi_driver_match_device); @@ -973,16 +973,13 @@ EXPORT_SYMBOL_GPL(acpi_driver_match_device); */ int acpi_bus_register_driver(struct acpi_driver *driver) { - int ret; - if (acpi_disabled) return -ENODEV; driver->drv.name = driver->name; driver->drv.bus = &acpi_bus_type; driver->drv.owner = driver->owner; - ret = driver_register(&driver->drv); - return ret; + return driver_register(&driver->drv); } EXPORT_SYMBOL(acpi_bus_register_driver); diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 9dce1245689c..d594effe905f 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -75,15 +75,17 @@ static int acpi_dev_pm_explicit_get(struct acpi_device *device, int *state) int acpi_device_get_power(struct acpi_device *device, int *state) { int result = ACPI_STATE_UNKNOWN; + struct acpi_device *parent; int error; if (!device || !state) return -EINVAL; + parent = acpi_dev_parent(device); + if (!device->flags.power_manageable) { /* TBD: Non-recursive algorithm for walking up hierarchy. */ - *state = device->parent ? - device->parent->power.state : ACPI_STATE_D0; + *state = parent ? parent->power.state : ACPI_STATE_D0; goto out; } @@ -122,10 +124,10 @@ int acpi_device_get_power(struct acpi_device *device, int *state) * point, the fact that the device is in D0 implies that the parent has * to be in D0 too, except if ignore_parent is set. */ - if (!device->power.flags.ignore_parent && device->parent - && device->parent->power.state == ACPI_STATE_UNKNOWN - && result == ACPI_STATE_D0) - device->parent->power.state = ACPI_STATE_D0; + if (!device->power.flags.ignore_parent && parent && + parent->power.state == ACPI_STATE_UNKNOWN && + result == ACPI_STATE_D0) + parent->power.state = ACPI_STATE_D0; *state = result; @@ -191,13 +193,17 @@ int acpi_device_set_power(struct acpi_device *device, int state) return -ENODEV; } - if (!device->power.flags.ignore_parent && device->parent && - state < device->parent->power.state) { - acpi_handle_debug(device->handle, - "Cannot transition to %s for parent in %s\n", - acpi_power_state_string(state), - acpi_power_state_string(device->parent->power.state)); - return -ENODEV; + if (!device->power.flags.ignore_parent) { + struct acpi_device *parent; + + parent = acpi_dev_parent(device); + if (parent && state < parent->power.state) { + acpi_handle_debug(device->handle, + "Cannot transition to %s for parent in %s\n", + acpi_power_state_string(state), + acpi_power_state_string(parent->power.state)); + return -ENODEV; + } } /* @@ -497,7 +503,7 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used) acpi_handle_debug(handle, "Wake notify\n"); - adev = acpi_bus_get_acpi_device(handle); + adev = acpi_get_acpi_dev(handle); if (!adev) return; @@ -515,7 +521,7 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used) mutex_unlock(&acpi_pm_notifier_lock); - acpi_bus_put_acpi_device(adev); + acpi_put_acpi_dev(adev); } /** @@ -1460,7 +1466,7 @@ EXPORT_SYMBOL_GPL(acpi_storage_d3); * not valid to ask for the ACPI power state of the device in that time frame. * * This function is intended to be used in a driver's probe or remove - * function. See Documentation/firmware-guide/acpi/low-power-probe.rst for + * function. See Documentation/firmware-guide/acpi/non-d0-probe.rst for * more information. */ bool acpi_dev_state_d0(struct device *dev) diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 628bf8f18130..219c02df9a08 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -102,10 +102,10 @@ struct acpi_device_bus_id { struct list_head node; }; -int acpi_device_add(struct acpi_device *device, - void (*release)(struct device *)); void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, - int type); + int type, void (*release)(struct device *)); +int acpi_tie_acpi_dev(struct acpi_device *adev); +int acpi_device_add(struct acpi_device *device); int acpi_device_setup_files(struct acpi_device *dev); void acpi_device_remove_files(struct acpi_device *dev); void acpi_device_add_finalize(struct acpi_device *device); diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c index dabe45eba055..4db5bb587599 100644 --- a/drivers/acpi/irq.c +++ b/drivers/acpi/irq.c @@ -118,12 +118,12 @@ acpi_get_irq_source_fwhandle(const struct acpi_resource_source *source, if (WARN_ON(ACPI_FAILURE(status))) return NULL; - device = acpi_bus_get_acpi_device(handle); + device = acpi_get_acpi_dev(handle); if (WARN_ON(!device)) return NULL; result = &device->fwnode; - acpi_bus_put_acpi_device(device); + acpi_put_acpi_dev(device); return result; } diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c index c3d783aca196..23f49a2f4d14 100644 --- a/drivers/acpi/numa/hmat.c +++ b/drivers/acpi/numa/hmat.c @@ -9,7 +9,6 @@ */ #define pr_fmt(fmt) "acpi/hmat: " fmt -#define dev_fmt(fmt) "acpi/hmat: " fmt #include <linux/acpi.h> #include <linux/bitops.h> @@ -302,7 +301,7 @@ static __init int hmat_parse_locality(union acpi_subtable_headers *header, u8 type, mem_hier; if (hmat_loc->header.length < sizeof(*hmat_loc)) { - pr_notice("HMAT: Unexpected locality header length: %u\n", + pr_notice("Unexpected locality header length: %u\n", hmat_loc->header.length); return -EINVAL; } @@ -314,12 +313,12 @@ static __init int hmat_parse_locality(union acpi_subtable_headers *header, total_size = sizeof(*hmat_loc) + sizeof(*entries) * ipds * tpds + sizeof(*inits) * ipds + sizeof(*targs) * tpds; if (hmat_loc->header.length < total_size) { - pr_notice("HMAT: Unexpected locality header length:%u, minimum required:%u\n", + pr_notice("Unexpected locality header length:%u, minimum required:%u\n", hmat_loc->header.length, total_size); return -EINVAL; } - pr_info("HMAT: Locality: Flags:%02x Type:%s Initiator Domains:%u Target Domains:%u Base:%lld\n", + pr_info("Locality: Flags:%02x Type:%s Initiator Domains:%u Target Domains:%u Base:%lld\n", hmat_loc->flags, hmat_data_type(type), ipds, tpds, hmat_loc->entry_base_unit); @@ -363,13 +362,13 @@ static __init int hmat_parse_cache(union acpi_subtable_headers *header, u32 attrs; if (cache->header.length < sizeof(*cache)) { - pr_notice("HMAT: Unexpected cache header length: %u\n", + pr_notice("Unexpected cache header length: %u\n", cache->header.length); return -EINVAL; } attrs = cache->cache_attributes; - pr_info("HMAT: Cache: Domain:%u Size:%llu Attrs:%08x SMBIOS Handles:%d\n", + pr_info("Cache: Domain:%u Size:%llu Attrs:%08x SMBIOS Handles:%d\n", cache->memory_PD, cache->cache_size, attrs, cache->number_of_SMBIOShandles); @@ -424,24 +423,24 @@ static int __init hmat_parse_proximity_domain(union acpi_subtable_headers *heade struct memory_target *target = NULL; if (p->header.length != sizeof(*p)) { - pr_notice("HMAT: Unexpected address range header length: %u\n", + pr_notice("Unexpected address range header length: %u\n", p->header.length); return -EINVAL; } if (hmat_revision == 1) - pr_info("HMAT: Memory (%#llx length %#llx) Flags:%04x Processor Domain:%u Memory Domain:%u\n", + pr_info("Memory (%#llx length %#llx) Flags:%04x Processor Domain:%u Memory Domain:%u\n", p->reserved3, p->reserved4, p->flags, p->processor_PD, p->memory_PD); else - pr_info("HMAT: Memory Flags:%04x Processor Domain:%u Memory Domain:%u\n", + pr_info("Memory Flags:%04x Processor Domain:%u Memory Domain:%u\n", p->flags, p->processor_PD, p->memory_PD); if ((hmat_revision == 1 && p->flags & ACPI_HMAT_MEMORY_PD_VALID) || hmat_revision > 1) { target = find_mem_target(p->memory_PD); if (!target) { - pr_debug("HMAT: Memory Domain missing from SRAT\n"); + pr_debug("Memory Domain missing from SRAT\n"); return -EINVAL; } } @@ -449,7 +448,7 @@ static int __init hmat_parse_proximity_domain(union acpi_subtable_headers *heade int p_node = pxm_to_node(p->processor_PD); if (p_node == NUMA_NO_NODE) { - pr_debug("HMAT: Invalid Processor Domain\n"); + pr_debug("Invalid Processor Domain\n"); return -EINVAL; } target->processor_pxm = p->processor_PD; @@ -840,7 +839,7 @@ static __init int hmat_init(void) case 2: break; default: - pr_notice("Ignoring HMAT: Unknown revision:%d\n", hmat_revision); + pr_notice("Ignoring: Unknown revision:%d\n", hmat_revision); goto out_put; } @@ -848,7 +847,7 @@ static __init int hmat_init(void) if (acpi_table_parse_entries(ACPI_SIG_HMAT, sizeof(struct acpi_table_hmat), i, hmat_parse_subtable, 0) < 0) { - pr_notice("Ignoring HMAT: Invalid table"); + pr_notice("Ignoring: Invalid table"); goto out_put; } } diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index d57cf8454b93..c8385ef54c37 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -312,76 +312,25 @@ struct acpi_handle_node { */ struct pci_dev *acpi_get_pci_dev(acpi_handle handle) { - int dev, fn; - unsigned long long adr; - acpi_status status; - acpi_handle phandle; - struct pci_bus *pbus; - struct pci_dev *pdev = NULL; - struct acpi_handle_node *node, *tmp; - struct acpi_pci_root *root; - LIST_HEAD(device_list); - - /* - * Walk up the ACPI CA namespace until we reach a PCI root bridge. - */ - phandle = handle; - while (!acpi_is_root_bridge(phandle)) { - node = kzalloc(sizeof(struct acpi_handle_node), GFP_KERNEL); - if (!node) - goto out; - - INIT_LIST_HEAD(&node->node); - node->handle = phandle; - list_add(&node->node, &device_list); - - status = acpi_get_parent(phandle, &phandle); - if (ACPI_FAILURE(status)) - goto out; - } - - root = acpi_pci_find_root(phandle); - if (!root) - goto out; + struct acpi_device *adev = acpi_fetch_acpi_dev(handle); + struct acpi_device_physical_node *pn; + struct pci_dev *pci_dev = NULL; - pbus = root->bus; - - /* - * Now, walk back down the PCI device tree until we return to our - * original handle. Assumes that everything between the PCI root - * bridge and the device we're looking for must be a P2P bridge. - */ - list_for_each_entry(node, &device_list, node) { - acpi_handle hnd = node->handle; - status = acpi_evaluate_integer(hnd, "_ADR", NULL, &adr); - if (ACPI_FAILURE(status)) - goto out; - dev = (adr >> 16) & 0xffff; - fn = adr & 0xffff; - - pdev = pci_get_slot(pbus, PCI_DEVFN(dev, fn)); - if (!pdev || hnd == handle) - break; + if (!adev) + return NULL; - pbus = pdev->subordinate; - pci_dev_put(pdev); + mutex_lock(&adev->physical_node_lock); - /* - * This function may be called for a non-PCI device that has a - * PCI parent (eg. a disk under a PCI SATA controller). In that - * case pdev->subordinate will be NULL for the parent. - */ - if (!pbus) { - dev_dbg(&pdev->dev, "Not a PCI-to-PCI bridge\n"); - pdev = NULL; + list_for_each_entry(pn, &adev->physical_node_list, node) { + if (dev_is_pci(pn->dev)) { + pci_dev = to_pci_dev(pn->dev); break; } } -out: - list_for_each_entry_safe(node, tmp, &device_list, node) - kfree(node); - return pdev; + mutex_unlock(&adev->physical_node_lock); + + return pci_dev; } EXPORT_SYMBOL_GPL(acpi_get_pci_dev); diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 8c4a73a1351e..f2588aba8421 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -944,13 +944,15 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle) return NULL; device = &resource->device; - acpi_init_device_object(device, handle, ACPI_BUS_TYPE_POWER); + acpi_init_device_object(device, handle, ACPI_BUS_TYPE_POWER, + acpi_release_power_resource); mutex_init(&resource->resource_lock); INIT_LIST_HEAD(&resource->list_node); INIT_LIST_HEAD(&resource->dependents); strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_POWER_CLASS); device->power.state = ACPI_STATE_UNKNOWN; + device->flags.match_driver = true; /* Evaluate the object to get the system level and resource order. */ status = acpi_evaluate_object(handle, NULL, NULL, &buffer); @@ -967,8 +969,11 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle) pr_info("%s [%s]\n", acpi_device_name(device), acpi_device_bid(device)); - device->flags.match_driver = true; - result = acpi_device_add(device, acpi_release_power_resource); + result = acpi_tie_acpi_dev(device); + if (result) + goto err; + + result = acpi_device_add(device); if (result) goto err; diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c index d4c168ce428c..b8d9eb9a433e 100644 --- a/drivers/acpi/property.c +++ b/drivers/acpi/property.c @@ -304,8 +304,10 @@ static void acpi_init_of_compatible(struct acpi_device *adev) ret = acpi_dev_get_property(adev, "compatible", ACPI_TYPE_STRING, &of_compatible); if (ret) { - if (adev->parent - && adev->parent->flags.of_compatible_ok) + struct acpi_device *parent; + + parent = acpi_dev_parent(adev); + if (parent && parent->flags.of_compatible_ok) goto out; return; @@ -1267,10 +1269,11 @@ acpi_node_get_parent(const struct fwnode_handle *fwnode) return to_acpi_data_node(fwnode)->parent; } if (is_acpi_device_node(fwnode)) { - struct device *dev = to_acpi_device_node(fwnode)->dev.parent; + struct acpi_device *parent; - if (dev) - return acpi_fwnode_handle(to_acpi_device(dev)); + parent = acpi_dev_parent(to_acpi_device_node(fwnode)); + if (parent) + return acpi_fwnode_handle(parent); } return NULL; diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index 510cdec375c4..514d89656dde 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -399,6 +399,31 @@ static const struct dmi_system_id medion_laptop[] = { { } }; +static const struct dmi_system_id asus_laptop[] = { + { + .ident = "Asus Vivobook K3402ZA", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_BOARD_NAME, "K3402ZA"), + }, + }, + { + .ident = "Asus Vivobook K3502ZA", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_BOARD_NAME, "K3502ZA"), + }, + }, + { + .ident = "Asus Vivobook S5402ZA", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_BOARD_NAME, "S5402ZA"), + }, + }, + { } +}; + struct irq_override_cmp { const struct dmi_system_id *system; unsigned char irq; @@ -409,6 +434,7 @@ struct irq_override_cmp { static const struct irq_override_cmp skip_override_table[] = { { medion_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0 }, + { asus_laptop, 1, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW, 0 }, }; static bool acpi_dev_irq_override(u32 gsi, u8 triggering, u8 polarity, @@ -690,6 +716,9 @@ static int is_memory(struct acpi_resource *ares, void *not_used) memset(&win, 0, sizeof(win)); + if (acpi_dev_filter_resource_type(ares, IORESOURCE_MEM)) + return 1; + return !(acpi_dev_resource_memory(ares, res) || acpi_dev_resource_address_space(ares, &win) || acpi_dev_resource_ext_address_space(ares, &win)); @@ -719,6 +748,23 @@ int acpi_dev_get_dma_resources(struct acpi_device *adev, struct list_head *list) EXPORT_SYMBOL_GPL(acpi_dev_get_dma_resources); /** + * acpi_dev_get_memory_resources - Get current memory resources of a device. + * @adev: ACPI device node to get the resources for. + * @list: Head of the resultant list of resources (must be empty). + * + * This is a helper function that locates all memory type resources of @adev + * with acpi_dev_get_resources(). + * + * The number of resources in the output list is returned on success, an error + * code reflecting the error condition is returned otherwise. + */ +int acpi_dev_get_memory_resources(struct acpi_device *adev, struct list_head *list) +{ + return acpi_dev_get_resources(adev, list, is_memory, NULL); +} +EXPORT_SYMBOL_GPL(acpi_dev_get_memory_resources); + +/** * acpi_dev_filter_resource_type - Filter ACPI resource according to resource * types * @ares: Input ACPI resource object. diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index 4938010fcac7..e6a01a8df1b8 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -632,7 +632,7 @@ static int acpi_sbs_add(struct acpi_device *device) mutex_init(&sbs->lock); - sbs->hc = acpi_driver_data(device->parent); + sbs->hc = acpi_driver_data(acpi_dev_parent(device)); sbs->device = device; strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_SBS_CLASS); diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c index 7c62e149a7a1..340e0b61587e 100644 --- a/drivers/acpi/sbshc.c +++ b/drivers/acpi/sbshc.c @@ -266,7 +266,7 @@ static int acpi_smbus_hc_add(struct acpi_device *device) mutex_init(&hc->lock); init_waitqueue_head(&hc->wait); - hc->ec = acpi_driver_data(device->parent); + hc->ec = acpi_driver_data(acpi_dev_parent(device)); hc->offset = (val >> 8) & 0xff; hc->query_bit = val & 0xff; device->driver_data = hc; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 42cec8120f18..558664d169fc 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -20,6 +20,7 @@ #include <linux/platform_data/x86/apple.h> #include <linux/pgtable.h> #include <linux/crc32.h> +#include <linux/dma-direct.h> #include "internal.h" @@ -29,8 +30,6 @@ extern struct acpi_device *acpi_root; #define ACPI_BUS_HID "LNXSYBUS" #define ACPI_BUS_DEVICE_NAME "System Bus" -#define ACPI_IS_ROOT_DEVICE(device) (!(device)->parent) - #define INVALID_ACPI_HANDLE ((acpi_handle)empty_zero_page) static const char *dummy_hid = "device"; @@ -429,7 +428,7 @@ void acpi_device_hotplug(struct acpi_device *adev, u32 src) acpi_evaluate_ost(adev->handle, src, ost_code, NULL); out: - acpi_bus_put_acpi_device(adev); + acpi_put_acpi_dev(adev); mutex_unlock(&acpi_scan_lock); unlock_device_hotplug(); } @@ -599,11 +598,22 @@ static void get_acpi_device(void *dev) acpi_dev_get(dev); } -struct acpi_device *acpi_bus_get_acpi_device(acpi_handle handle) +/** + * acpi_get_acpi_dev - Retrieve ACPI device object and reference count it. + * @handle: ACPI handle associated with the requested ACPI device object. + * + * Return a pointer to the ACPI device object associated with @handle and bump + * up that object's reference counter (under the ACPI Namespace lock), if + * present, or return NULL otherwise. + * + * The ACPI device object reference acquired by this function needs to be + * dropped via acpi_dev_put(). + */ +struct acpi_device *acpi_get_acpi_dev(acpi_handle handle) { return handle_to_device(handle, get_acpi_device); } -EXPORT_SYMBOL_GPL(acpi_bus_get_acpi_device); +EXPORT_SYMBOL_GPL(acpi_get_acpi_dev); static struct acpi_device_bus_id *acpi_device_bus_id_match(const char *dev_id) { @@ -632,7 +642,7 @@ static int acpi_device_set_name(struct acpi_device *device, return 0; } -static int acpi_tie_acpi_dev(struct acpi_device *adev) +int acpi_tie_acpi_dev(struct acpi_device *adev) { acpi_handle handle = adev->handle; acpi_status status; @@ -662,8 +672,7 @@ static void acpi_store_pld_crc(struct acpi_device *adev) ACPI_FREE(pld); } -static int __acpi_device_add(struct acpi_device *device, - void (*release)(struct device *)) +int acpi_device_add(struct acpi_device *device) { struct acpi_device_bus_id *acpi_device_bus_id; int result; @@ -719,11 +728,6 @@ static int __acpi_device_add(struct acpi_device *device, mutex_unlock(&acpi_device_lock); - if (device->parent) - device->dev.parent = &device->parent->dev; - - device->dev.bus = &acpi_bus_type; - device->dev.release = release; result = device_add(&device->dev); if (result) { dev_err(&device->dev, "Error registering device\n"); @@ -750,17 +754,6 @@ err_unlock: return result; } -int acpi_device_add(struct acpi_device *adev, void (*release)(struct device *)) -{ - int ret; - - ret = acpi_tie_acpi_dev(adev); - if (ret) - return ret; - - return __acpi_device_add(adev, release); -} - /* -------------------------------------------------------------------------- Device Enumeration -------------------------------------------------------------------------- */ @@ -805,10 +798,9 @@ static const char * const acpi_honor_dep_ids[] = { NULL }; -static struct acpi_device *acpi_bus_get_parent(acpi_handle handle) +static struct acpi_device *acpi_find_parent_acpi_dev(acpi_handle handle) { - struct acpi_device *device; - acpi_status status; + struct acpi_device *adev; /* * Fixed hardware devices do not appear in the namespace and do not @@ -819,13 +811,18 @@ static struct acpi_device *acpi_bus_get_parent(acpi_handle handle) return acpi_root; do { + acpi_status status; + status = acpi_get_parent(handle, &handle); - if (ACPI_FAILURE(status)) - return status == AE_NULL_ENTRY ? NULL : acpi_root; + if (ACPI_FAILURE(status)) { + if (status != AE_NULL_ENTRY) + return acpi_root; - device = acpi_fetch_acpi_dev(handle); - } while (!device); - return device; + return NULL; + } + adev = acpi_fetch_acpi_dev(handle); + } while (!adev); + return adev; } acpi_status @@ -1112,7 +1109,7 @@ static void acpi_device_get_busid(struct acpi_device *device) * The device's Bus ID is simply the object name. * TBD: Shouldn't this value be unique (within the ACPI namespace)? */ - if (ACPI_IS_ROOT_DEVICE(device)) { + if (!acpi_dev_parent(device)) { strcpy(device->pnp.bus_id, "ACPI"); return; } @@ -1467,25 +1464,21 @@ enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) * acpi_dma_get_range() - Get device DMA parameters. * * @dev: device to configure - * @dma_addr: pointer device DMA address result - * @offset: pointer to the DMA offset result - * @size: pointer to DMA range size result + * @map: pointer to DMA ranges result * - * Evaluate DMA regions and return respectively DMA region start, offset - * and size in dma_addr, offset and size on parsing success; it does not - * update the passed in values on failure. + * Evaluate DMA regions and return pointer to DMA regions on + * parsing success; it does not update the passed in values on failure. * * Return 0 on success, < 0 on failure. */ -int acpi_dma_get_range(struct device *dev, u64 *dma_addr, u64 *offset, - u64 *size) +int acpi_dma_get_range(struct device *dev, const struct bus_dma_region **map) { struct acpi_device *adev; LIST_HEAD(list); struct resource_entry *rentry; int ret; struct device *dma_dev = dev; - u64 len, dma_start = U64_MAX, dma_end = 0, dma_offset = 0; + struct bus_dma_region *r; /* * Walk the device tree chasing an ACPI companion with a _DMA @@ -1510,31 +1503,28 @@ int acpi_dma_get_range(struct device *dev, u64 *dma_addr, u64 *offset, ret = acpi_dev_get_dma_resources(adev, &list); if (ret > 0) { + r = kcalloc(ret + 1, sizeof(*r), GFP_KERNEL); + if (!r) { + ret = -ENOMEM; + goto out; + } + list_for_each_entry(rentry, &list, node) { - if (dma_offset && rentry->offset != dma_offset) { + if (rentry->res->start >= rentry->res->end) { + kfree(r); ret = -EINVAL; - dev_warn(dma_dev, "Can't handle multiple windows with different offsets\n"); + dev_dbg(dma_dev, "Invalid DMA regions configuration\n"); goto out; } - dma_offset = rentry->offset; - /* Take lower and upper limits */ - if (rentry->res->start < dma_start) - dma_start = rentry->res->start; - if (rentry->res->end > dma_end) - dma_end = rentry->res->end; - } - - if (dma_start >= dma_end) { - ret = -EINVAL; - dev_dbg(dma_dev, "Invalid DMA regions configuration\n"); - goto out; + r->cpu_start = rentry->res->start; + r->dma_start = rentry->res->start - rentry->offset; + r->size = resource_size(rentry->res); + r->offset = rentry->offset; + r++; } - *dma_addr = dma_start - dma_offset; - len = dma_end - dma_start; - *size = max(len, len + 1); - *offset = dma_offset; + *map = r; } out: acpi_dev_free_resource_list(&list); @@ -1624,20 +1614,19 @@ int acpi_dma_configure_id(struct device *dev, enum dev_dma_attr attr, const u32 *input_id) { const struct iommu_ops *iommu; - u64 dma_addr = 0, size = 0; if (attr == DEV_DMA_NOT_SUPPORTED) { set_dma_ops(dev, &dma_dummy_ops); return 0; } - acpi_arch_dma_setup(dev, &dma_addr, &size); + acpi_arch_dma_setup(dev); iommu = acpi_iommu_configure_id(dev, input_id); if (PTR_ERR(iommu) == -EPROBE_DEFER) return -EPROBE_DEFER; - arch_setup_dma_ops(dev, dma_addr, size, + arch_setup_dma_ops(dev, 0, U64_MAX, iommu, attr == DEV_DMA_COHERENT); return 0; @@ -1648,7 +1637,7 @@ static void acpi_init_coherency(struct acpi_device *adev) { unsigned long long cca = 0; acpi_status status; - struct acpi_device *parent = adev->parent; + struct acpi_device *parent = acpi_dev_parent(adev); if (parent && parent->flags.cca_seen) { /* @@ -1692,7 +1681,7 @@ static int acpi_check_serial_bus_slave(struct acpi_resource *ares, void *data) static bool acpi_is_indirect_io_slave(struct acpi_device *device) { - struct acpi_device *parent = device->parent; + struct acpi_device *parent = acpi_dev_parent(device); static const struct acpi_device_id indirect_io_hosts[] = { {"HISI0191", 0}, {} @@ -1762,12 +1751,16 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device) } void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, - int type) + int type, void (*release)(struct device *)) { + struct acpi_device *parent = acpi_find_parent_acpi_dev(handle); + INIT_LIST_HEAD(&device->pnp.ids); device->device_type = type; device->handle = handle; - device->parent = acpi_bus_get_parent(handle); + device->dev.parent = parent ? &parent->dev : NULL; + device->dev.release = release; + device->dev.bus = &acpi_bus_type; fwnode_init(&device->fwnode, &acpi_device_fwnode_ops); acpi_set_device_status(device, ACPI_STA_DEFAULT); acpi_device_get_busid(device); @@ -1821,7 +1814,7 @@ static int acpi_add_single_object(struct acpi_device **child, if (!device) return -ENOMEM; - acpi_init_device_object(device, handle, type); + acpi_init_device_object(device, handle, type, acpi_device_release); /* * Getting the status is delayed till here so that we can call * acpi_bus_get_status() and use its quirk handling. Note that @@ -1851,7 +1844,7 @@ static int acpi_add_single_object(struct acpi_device **child, mutex_unlock(&acpi_dep_list_lock); if (!result) - result = __acpi_device_add(device, acpi_device_release); + result = acpi_device_add(device); if (result) { acpi_device_release(&device->dev); @@ -1862,8 +1855,8 @@ static int acpi_add_single_object(struct acpi_device **child, acpi_device_add_finalize(device); acpi_handle_debug(handle, "Added as %s, parent %s\n", - dev_name(&device->dev), device->parent ? - dev_name(&device->parent->dev) : "(null)"); + dev_name(&device->dev), device->dev.parent ? + dev_name(device->dev.parent) : "(null)"); *child = device; return 0; @@ -2235,11 +2228,24 @@ ok: return 0; } -static int acpi_dev_get_first_consumer_dev_cb(struct acpi_dep_data *dep, void *data) +static int acpi_dev_get_next_consumer_dev_cb(struct acpi_dep_data *dep, void *data) { - struct acpi_device *adev; + struct acpi_device **adev_p = data; + struct acpi_device *adev = *adev_p; - adev = acpi_bus_get_acpi_device(dep->consumer); + /* + * If we're passed a 'previous' consumer device then we need to skip + * any consumers until we meet the previous one, and then NULL @data + * so the next one can be returned. + */ + if (adev) { + if (dep->consumer == adev->handle) + *adev_p = NULL; + + return 0; + } + + adev = acpi_get_acpi_dev(dep->consumer); if (adev) { *(struct acpi_device **)data = adev; return 1; @@ -2292,7 +2298,7 @@ static bool acpi_scan_clear_dep_queue(struct acpi_device *adev) static int acpi_scan_clear_dep(struct acpi_dep_data *dep, void *data) { - struct acpi_device *adev = acpi_bus_get_acpi_device(dep->consumer); + struct acpi_device *adev = acpi_get_acpi_dev(dep->consumer); if (adev) { adev->dep_unmet--; @@ -2368,25 +2374,32 @@ bool acpi_dev_ready_for_enumeration(const struct acpi_device *device) EXPORT_SYMBOL_GPL(acpi_dev_ready_for_enumeration); /** - * acpi_dev_get_first_consumer_dev - Return ACPI device dependent on @supplier + * acpi_dev_get_next_consumer_dev - Return the next adev dependent on @supplier * @supplier: Pointer to the dependee device + * @start: Pointer to the current dependent device * - * Returns the first &struct acpi_device which declares itself dependent on + * Returns the next &struct acpi_device which declares itself dependent on * @supplier via the _DEP buffer, parsed from the acpi_dep_list. * - * The caller is responsible for putting the reference to adev when it is no - * longer needed. + * If the returned adev is not passed as @start to this function, the caller is + * responsible for putting the reference to adev when it is no longer needed. */ -struct acpi_device *acpi_dev_get_first_consumer_dev(struct acpi_device *supplier) +struct acpi_device *acpi_dev_get_next_consumer_dev(struct acpi_device *supplier, + struct acpi_device *start) { - struct acpi_device *adev = NULL; + struct acpi_device *adev = start; acpi_walk_dep_device_list(supplier->handle, - acpi_dev_get_first_consumer_dev_cb, &adev); + acpi_dev_get_next_consumer_dev_cb, &adev); + + acpi_dev_put(start); + + if (adev == start) + return NULL; return adev; } -EXPORT_SYMBOL_GPL(acpi_dev_get_first_consumer_dev); +EXPORT_SYMBOL_GPL(acpi_dev_get_next_consumer_dev); /** * acpi_bus_scan - Add ACPI device node objects in a given namespace scope. diff --git a/drivers/acpi/x86/apple.c b/drivers/acpi/x86/apple.c index c285c91a5e9c..8812ecd03d55 100644 --- a/drivers/acpi/x86/apple.c +++ b/drivers/acpi/x86/apple.c @@ -8,6 +8,7 @@ #include <linux/bitmap.h> #include <linux/platform_data/x86/apple.h> #include <linux/uuid.h> +#include "../internal.h" /* Apple _DSM device properties GUID */ static const guid_t apple_prp_guid = diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c index f9ac12b778e6..0155c1d2d608 100644 --- a/drivers/acpi/x86/s2idle.c +++ b/drivers/acpi/x86/s2idle.c @@ -17,6 +17,7 @@ #include <linux/acpi.h> #include <linux/device.h> +#include <linux/dmi.h> #include <linux/suspend.h> #include "../sleep.h" @@ -27,6 +28,10 @@ static bool sleep_no_lps0 __read_mostly; module_param(sleep_no_lps0, bool, 0644); MODULE_PARM_DESC(sleep_no_lps0, "Do not use the special LPS0 device interface"); +static bool prefer_microsoft_dsm_guid __read_mostly; +module_param(prefer_microsoft_dsm_guid, bool, 0644); +MODULE_PARM_DESC(prefer_microsoft_dsm_guid, "Prefer using Microsoft GUID in LPS0 device _DSM evaluation"); + static const struct acpi_device_id lps0_device_ids[] = { {"PNP0D80", }, {"", }, @@ -363,40 +368,132 @@ out: return ret; } +struct amd_lps0_hid_device_data { + const unsigned int rev_id; + const bool check_off_by_one; + const bool prefer_amd_guid; +}; + +static const struct amd_lps0_hid_device_data amd_picasso = { + .rev_id = 0, + .check_off_by_one = true, + .prefer_amd_guid = false, +}; + +static const struct amd_lps0_hid_device_data amd_cezanne = { + .rev_id = 0, + .check_off_by_one = false, + .prefer_amd_guid = false, +}; + +static const struct amd_lps0_hid_device_data amd_rembrandt = { + .rev_id = 2, + .check_off_by_one = false, + .prefer_amd_guid = true, +}; + +static const struct acpi_device_id amd_hid_ids[] = { + {"AMD0004", (kernel_ulong_t)&amd_picasso, }, + {"AMD0005", (kernel_ulong_t)&amd_picasso, }, + {"AMDI0005", (kernel_ulong_t)&amd_picasso, }, + {"AMDI0006", (kernel_ulong_t)&amd_cezanne, }, + {"AMDI0007", (kernel_ulong_t)&amd_rembrandt, }, + {} +}; + +static int lps0_prefer_microsoft(const struct dmi_system_id *id) +{ + pr_debug("Preferring Microsoft GUID.\n"); + prefer_microsoft_dsm_guid = true; + return 0; +} + +static const struct dmi_system_id s2idle_dmi_table[] __initconst = { + { + /* + * ASUS TUF Gaming A17 FA707RE + * https://bugzilla.kernel.org/show_bug.cgi?id=216101 + */ + .callback = lps0_prefer_microsoft, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "ASUS TUF Gaming A17"), + }, + }, + { + /* ASUS ROG Zephyrus G14 (2022) */ + .callback = lps0_prefer_microsoft, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "ROG Zephyrus G14 GA402"), + }, + }, + { + /* + * Lenovo Yoga Slim 7 Pro X 14ARH7 + * https://bugzilla.kernel.org/show_bug.cgi?id=216473 : 82V2 + * https://bugzilla.kernel.org/show_bug.cgi?id=216438 : 82TL + */ + .callback = lps0_prefer_microsoft, + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "82"), + }, + }, + { + /* + * ASUSTeK COMPUTER INC. ROG Flow X13 GV301RE_GV301RE + * https://gitlab.freedesktop.org/drm/amd/-/issues/2148 + */ + .callback = lps0_prefer_microsoft, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "ROG Flow X13 GV301"), + }, + }, + { + /* + * ASUSTeK COMPUTER INC. ROG Flow X16 GV601RW_GV601RW + * https://gitlab.freedesktop.org/drm/amd/-/issues/2148 + */ + .callback = lps0_prefer_microsoft, + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "ROG Flow X16 GV601"), + }, + }, + {} +}; + static int lps0_device_attach(struct acpi_device *adev, const struct acpi_device_id *not_used) { if (lps0_device_handle) return 0; + lps0_dsm_func_mask_microsoft = validate_dsm(adev->handle, + ACPI_LPS0_DSM_UUID_MICROSOFT, 0, + &lps0_dsm_guid_microsoft); if (acpi_s2idle_vendor_amd()) { - /* AMD0004, AMD0005, AMDI0005: - * - Should use rev_id 0x0 - * - function mask > 0x3: Should use AMD method, but has off by one bug - * - function mask = 0x3: Should use Microsoft method - * AMDI0006: - * - should use rev_id 0x0 - * - function mask = 0x3: Should use Microsoft method - * AMDI0007: - * - Should use rev_id 0x2 - * - Should only use AMD method - */ - const char *hid = acpi_device_hid(adev); - rev_id = strcmp(hid, "AMDI0007") ? 0 : 2; + static const struct acpi_device_id *dev_id; + const struct amd_lps0_hid_device_data *data; + + for (dev_id = &amd_hid_ids[0]; dev_id->id[0]; dev_id++) + if (acpi_dev_hid_uid_match(adev, dev_id->id, NULL)) + break; + if (dev_id->id[0]) + data = (const struct amd_lps0_hid_device_data *) dev_id->driver_data; + else + data = &amd_rembrandt; + rev_id = data->rev_id; lps0_dsm_func_mask = validate_dsm(adev->handle, ACPI_LPS0_DSM_UUID_AMD, rev_id, &lps0_dsm_guid); - lps0_dsm_func_mask_microsoft = validate_dsm(adev->handle, - ACPI_LPS0_DSM_UUID_MICROSOFT, 0, - &lps0_dsm_guid_microsoft); - if (lps0_dsm_func_mask > 0x3 && (!strcmp(hid, "AMD0004") || - !strcmp(hid, "AMD0005") || - !strcmp(hid, "AMDI0005"))) { + if (lps0_dsm_func_mask > 0x3 && data->check_off_by_one) { lps0_dsm_func_mask = (lps0_dsm_func_mask << 1) | 0x1; acpi_handle_debug(adev->handle, "_DSM UUID %s: Adjusted function mask: 0x%x\n", ACPI_LPS0_DSM_UUID_AMD, lps0_dsm_func_mask); - } else if (lps0_dsm_func_mask_microsoft > 0 && - (!strcmp(hid, "AMDI0007") || - !strcmp(hid, "AMDI0008"))) { + } else if (lps0_dsm_func_mask_microsoft > 0 && data->prefer_amd_guid && + !prefer_microsoft_dsm_guid) { lps0_dsm_func_mask_microsoft = -EINVAL; acpi_handle_debug(adev->handle, "_DSM Using AMD method\n"); } @@ -404,7 +501,8 @@ static int lps0_device_attach(struct acpi_device *adev, rev_id = 1; lps0_dsm_func_mask = validate_dsm(adev->handle, ACPI_LPS0_DSM_UUID, rev_id, &lps0_dsm_guid); - lps0_dsm_func_mask_microsoft = -EINVAL; + if (!prefer_microsoft_dsm_guid) + lps0_dsm_func_mask_microsoft = -EINVAL; } if (lps0_dsm_func_mask < 0 && lps0_dsm_func_mask_microsoft < 0) @@ -533,8 +631,9 @@ static const struct platform_s2idle_ops acpi_s2idle_ops_lps0 = { .end = acpi_s2idle_end, }; -void acpi_s2idle_setup(void) +void __init acpi_s2idle_setup(void) { + dmi_check_system(s2idle_dmi_table); acpi_scan_add_handler(&lps0_handler); s2idle_set_ops(&acpi_s2idle_ops_lps0); } diff --git a/drivers/clk/clk-tps68470.c b/drivers/clk/clk-tps68470.c index e5fbefd6ac2d..38f44b5b9b1b 100644 --- a/drivers/clk/clk-tps68470.c +++ b/drivers/clk/clk-tps68470.c @@ -200,7 +200,9 @@ static int tps68470_clk_probe(struct platform_device *pdev) .flags = CLK_SET_RATE_GATE, }; struct tps68470_clkdata *tps68470_clkdata; + struct tps68470_clk_consumer *consumer; int ret; + int i; tps68470_clkdata = devm_kzalloc(&pdev->dev, sizeof(*tps68470_clkdata), GFP_KERNEL); @@ -223,10 +225,13 @@ static int tps68470_clk_probe(struct platform_device *pdev) return ret; if (pdata) { - ret = devm_clk_hw_register_clkdev(&pdev->dev, - &tps68470_clkdata->clkout_hw, - pdata->consumer_con_id, - pdata->consumer_dev_name); + for (i = 0; i < pdata->n_consumers; i++) { + consumer = &pdata->consumers[i]; + ret = devm_clk_hw_register_clkdev(&pdev->dev, + &tps68470_clkdata->clkout_hw, + consumer->consumer_con_id, + consumer->consumer_dev_name); + } } return ret; diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 3c833ea60db6..7b9f3fc3adf7 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -2453,7 +2453,8 @@ static int vmbus_acpi_add(struct acpi_device *device) * Some ancestor of the vmbus acpi device (Gen1 or Gen2 * firmware) is the VMOD that has the mmio ranges. Get that. */ - for (ancestor = device->parent; ancestor; ancestor = ancestor->parent) { + for (ancestor = acpi_dev_parent(device); ancestor; + ancestor = acpi_dev_parent(ancestor)) { result = acpi_walk_resources(ancestor->handle, METHOD_NAME__CRS, vmbus_walk_resources, NULL); diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c index d2545a1be9fc..44e04c75d0d3 100644 --- a/drivers/hwmon/acpi_power_meter.c +++ b/drivers/hwmon/acpi_power_meter.c @@ -598,7 +598,7 @@ static int read_domain_devices(struct acpi_power_meter_resource *resource) continue; /* Create a symlink to domain objects */ - obj = acpi_bus_get_acpi_device(element->reference.handle); + obj = acpi_get_acpi_dev(element->reference.handle); resource->domain_devices[i] = obj; if (!obj) continue; diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c index a36698a90d2f..4a15c86f45ef 100644 --- a/drivers/perf/arm_dsu_pmu.c +++ b/drivers/perf/arm_dsu_pmu.c @@ -639,6 +639,7 @@ static int dsu_pmu_dt_get_cpus(struct device *dev, cpumask_t *mask) static int dsu_pmu_acpi_get_cpus(struct device *dev, cpumask_t *mask) { #ifdef CONFIG_ACPI + struct acpi_device *parent_adev = acpi_dev_parent(ACPI_COMPANION(dev)); int cpu; /* @@ -653,8 +654,7 @@ static int dsu_pmu_acpi_get_cpus(struct device *dev, cpumask_t *mask) continue; acpi_dev = ACPI_COMPANION(cpu_dev); - if (acpi_dev && - acpi_dev->parent == ACPI_COMPANION(dev)->parent) + if (acpi_dev && acpi_dev_parent(acpi_dev) == parent_adev) cpumask_set_cpu(cpu, mask); } #endif diff --git a/drivers/perf/qcom_l3_pmu.c b/drivers/perf/qcom_l3_pmu.c index 1ff2ff6582bf..346311a05460 100644 --- a/drivers/perf/qcom_l3_pmu.c +++ b/drivers/perf/qcom_l3_pmu.c @@ -742,7 +742,8 @@ static int qcom_l3_cache_pmu_probe(struct platform_device *pdev) l3pmu = devm_kzalloc(&pdev->dev, sizeof(*l3pmu), GFP_KERNEL); name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "l3cache_%s_%s", - acpi_dev->parent->pnp.unique_id, acpi_dev->pnp.unique_id); + acpi_dev_parent(acpi_dev)->pnp.unique_id, + acpi_dev->pnp.unique_id); if (!l3pmu || !name) return -ENOMEM; diff --git a/drivers/platform/x86/intel/int3472/common.c b/drivers/platform/x86/intel/int3472/common.c index 77cf058e4168..9db2bb0bbba4 100644 --- a/drivers/platform/x86/intel/int3472/common.c +++ b/drivers/platform/x86/intel/int3472/common.c @@ -62,7 +62,7 @@ int skl_int3472_get_sensor_adev_and_name(struct device *dev, struct acpi_device *sensor; int ret = 0; - sensor = acpi_dev_get_first_consumer_dev(adev); + sensor = acpi_dev_get_next_consumer_dev(adev, NULL); if (!sensor) { dev_err(dev, "INT3472 seems to have no dependents.\n"); return -ENODEV; diff --git a/drivers/platform/x86/intel/int3472/tps68470.c b/drivers/platform/x86/intel/int3472/tps68470.c index 22f61b47f9e5..49fc379fe680 100644 --- a/drivers/platform/x86/intel/int3472/tps68470.c +++ b/drivers/platform/x86/intel/int3472/tps68470.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* Author: Dan Scally <djrscally@gmail.com> */ +#include <linux/acpi.h> #include <linux/i2c.h> #include <linux/kernel.h> #include <linux/mfd/core.h> @@ -95,20 +96,65 @@ static int skl_int3472_tps68470_calc_type(struct acpi_device *adev) return DESIGNED_FOR_WINDOWS; } +/* + * Return the size of the flexible array member, because we'll need that later + * on to pass .pdata_size to cells. + */ +static int +skl_int3472_fill_clk_pdata(struct device *dev, struct tps68470_clk_platform_data **clk_pdata) +{ + struct acpi_device *adev = ACPI_COMPANION(dev); + struct acpi_device *consumer; + unsigned int n_consumers = 0; + const char *sensor_name; + unsigned int i = 0; + + for_each_acpi_consumer_dev(adev, consumer) + n_consumers++; + + if (!n_consumers) { + dev_err(dev, "INT3472 seems to have no dependents\n"); + return -ENODEV; + } + + *clk_pdata = devm_kzalloc(dev, struct_size(*clk_pdata, consumers, n_consumers), + GFP_KERNEL); + if (!*clk_pdata) + return -ENOMEM; + + (*clk_pdata)->n_consumers = n_consumers; + i = 0; + + for_each_acpi_consumer_dev(adev, consumer) { + sensor_name = devm_kasprintf(dev, GFP_KERNEL, I2C_DEV_NAME_FORMAT, + acpi_dev_name(consumer)); + if (!sensor_name) + return -ENOMEM; + + (*clk_pdata)->consumers[i].consumer_dev_name = sensor_name; + i++; + } + + acpi_dev_put(consumer); + + return n_consumers; +} + static int skl_int3472_tps68470_probe(struct i2c_client *client) { struct acpi_device *adev = ACPI_COMPANION(&client->dev); const struct int3472_tps68470_board_data *board_data; - struct tps68470_clk_platform_data clk_pdata = {}; + struct tps68470_clk_platform_data *clk_pdata; struct mfd_cell *cells; struct regmap *regmap; + int n_consumers; int device_type; int ret; + int i; - ret = skl_int3472_get_sensor_adev_and_name(&client->dev, NULL, - &clk_pdata.consumer_dev_name); - if (ret) - return ret; + n_consumers = skl_int3472_fill_clk_pdata(&client->dev, &clk_pdata); + if (n_consumers < 0) + return n_consumers; regmap = devm_regmap_init_i2c(client, &tps68470_regmap_config); if (IS_ERR(regmap)) { @@ -142,22 +188,25 @@ static int skl_int3472_tps68470_probe(struct i2c_client *client) * the clk + regulators must be ready when this happens. */ cells[0].name = "tps68470-clk"; - cells[0].platform_data = &clk_pdata; - cells[0].pdata_size = sizeof(clk_pdata); + cells[0].platform_data = clk_pdata; + cells[0].pdata_size = struct_size(clk_pdata, consumers, n_consumers); cells[1].name = "tps68470-regulator"; cells[1].platform_data = (void *)board_data->tps68470_regulator_pdata; cells[1].pdata_size = sizeof(struct tps68470_regulator_platform_data); cells[2].name = "tps68470-gpio"; - gpiod_add_lookup_table(board_data->tps68470_gpio_lookup_table); + for (i = 0; i < board_data->n_gpiod_lookups; i++) + gpiod_add_lookup_table(board_data->tps68470_gpio_lookup_tables[i]); ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_NONE, cells, TPS68470_WIN_MFD_CELL_COUNT, NULL, 0, NULL); kfree(cells); - if (ret) - gpiod_remove_lookup_table(board_data->tps68470_gpio_lookup_table); + if (ret) { + for (i = 0; i < board_data->n_gpiod_lookups; i++) + gpiod_remove_lookup_table(board_data->tps68470_gpio_lookup_tables[i]); + } break; case DESIGNED_FOR_CHROMEOS: @@ -181,10 +230,13 @@ static int skl_int3472_tps68470_probe(struct i2c_client *client) static int skl_int3472_tps68470_remove(struct i2c_client *client) { const struct int3472_tps68470_board_data *board_data; + int i; board_data = int3472_tps68470_get_board_data(dev_name(&client->dev)); - if (board_data) - gpiod_remove_lookup_table(board_data->tps68470_gpio_lookup_table); + if (board_data) { + for (i = 0; i < board_data->n_gpiod_lookups; i++) + gpiod_remove_lookup_table(board_data->tps68470_gpio_lookup_tables[i]); + } return 0; } diff --git a/drivers/platform/x86/intel/int3472/tps68470.h b/drivers/platform/x86/intel/int3472/tps68470.h index cfd33eb62740..35915e701593 100644 --- a/drivers/platform/x86/intel/int3472/tps68470.h +++ b/drivers/platform/x86/intel/int3472/tps68470.h @@ -16,8 +16,9 @@ struct tps68470_regulator_platform_data; struct int3472_tps68470_board_data { const char *dev_name; - struct gpiod_lookup_table *tps68470_gpio_lookup_table; const struct tps68470_regulator_platform_data *tps68470_regulator_pdata; + unsigned int n_gpiod_lookups; + struct gpiod_lookup_table *tps68470_gpio_lookup_tables[]; }; const struct int3472_tps68470_board_data *int3472_tps68470_get_board_data(const char *dev_name); diff --git a/drivers/platform/x86/intel/int3472/tps68470_board_data.c b/drivers/platform/x86/intel/int3472/tps68470_board_data.c index 525f09a3b5ff..309eab9c0558 100644 --- a/drivers/platform/x86/intel/int3472/tps68470_board_data.c +++ b/drivers/platform/x86/intel/int3472/tps68470_board_data.c @@ -30,6 +30,15 @@ static struct regulator_consumer_supply int347a_vcm_consumer_supplies[] = { static struct regulator_consumer_supply int347a_vsio_consumer_supplies[] = { REGULATOR_SUPPLY("dovdd", "i2c-INT347A:00"), REGULATOR_SUPPLY("vsio", "i2c-INT347A:00-VCM"), + REGULATOR_SUPPLY("vddd", "i2c-INT347E:00"), +}; + +static struct regulator_consumer_supply int347a_aux1_consumer_supplies[] = { + REGULATOR_SUPPLY("vdda", "i2c-INT347E:00"), +}; + +static struct regulator_consumer_supply int347a_aux2_consumer_supplies[] = { + REGULATOR_SUPPLY("vdddo", "i2c-INT347E:00"), }; static const struct regulator_init_data surface_go_tps68470_core_reg_init_data = { @@ -86,6 +95,28 @@ static const struct regulator_init_data surface_go_tps68470_vsio_reg_init_data = .consumer_supplies = int347a_vsio_consumer_supplies, }; +static const struct regulator_init_data surface_go_tps68470_aux1_reg_init_data = { + .constraints = { + .min_uV = 2815200, + .max_uV = 2815200, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(int347a_aux1_consumer_supplies), + .consumer_supplies = int347a_aux1_consumer_supplies, +}; + +static const struct regulator_init_data surface_go_tps68470_aux2_reg_init_data = { + .constraints = { + .min_uV = 1800600, + .max_uV = 1800600, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(int347a_aux2_consumer_supplies), + .consumer_supplies = int347a_aux2_consumer_supplies, +}; + static const struct tps68470_regulator_platform_data surface_go_tps68470_pdata = { .reg_init_data = { [TPS68470_CORE] = &surface_go_tps68470_core_reg_init_data, @@ -93,10 +124,12 @@ static const struct tps68470_regulator_platform_data surface_go_tps68470_pdata = [TPS68470_VCM] = &surface_go_tps68470_vcm_reg_init_data, [TPS68470_VIO] = &surface_go_tps68470_vio_reg_init_data, [TPS68470_VSIO] = &surface_go_tps68470_vsio_reg_init_data, + [TPS68470_AUX1] = &surface_go_tps68470_aux1_reg_init_data, + [TPS68470_AUX2] = &surface_go_tps68470_aux2_reg_init_data, }, }; -static struct gpiod_lookup_table surface_go_tps68470_gpios = { +static struct gpiod_lookup_table surface_go_int347a_gpios = { .dev_id = "i2c-INT347A:00", .table = { GPIO_LOOKUP("tps68470-gpio", 9, "reset", GPIO_ACTIVE_LOW), @@ -105,16 +138,31 @@ static struct gpiod_lookup_table surface_go_tps68470_gpios = { } }; +static struct gpiod_lookup_table surface_go_int347e_gpios = { + .dev_id = "i2c-INT347E:00", + .table = { + GPIO_LOOKUP("tps68470-gpio", 5, "enable", GPIO_ACTIVE_HIGH), + { } + } +}; + static const struct int3472_tps68470_board_data surface_go_tps68470_board_data = { .dev_name = "i2c-INT3472:05", - .tps68470_gpio_lookup_table = &surface_go_tps68470_gpios, .tps68470_regulator_pdata = &surface_go_tps68470_pdata, + .n_gpiod_lookups = 2, + .tps68470_gpio_lookup_tables = { + &surface_go_int347a_gpios, + &surface_go_int347e_gpios, + }, }; static const struct int3472_tps68470_board_data surface_go3_tps68470_board_data = { .dev_name = "i2c-INT3472:01", - .tps68470_gpio_lookup_table = &surface_go_tps68470_gpios, .tps68470_regulator_pdata = &surface_go_tps68470_pdata, + .n_gpiod_lookups = 1, + .tps68470_gpio_lookup_tables = { + &surface_go_int347a_gpios + }, }; static const struct dmi_system_id int3472_tps68470_board_data_table[] = { diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 32c01e684af3..30e82f968639 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -4374,7 +4374,7 @@ static int acpi_spi_notify(struct notifier_block *nb, unsigned long value, switch (value) { case ACPI_RECONFIG_DEVICE_ADD: - ctlr = acpi_spi_find_controller_by_adev(adev->parent); + ctlr = acpi_spi_find_controller_by_adev(acpi_dev_parent(adev)); if (!ctlr) break; diff --git a/drivers/thunderbolt/acpi.c b/drivers/thunderbolt/acpi.c index b1f0dc8df47c..7a8adf5ad5a0 100644 --- a/drivers/thunderbolt/acpi.c +++ b/drivers/thunderbolt/acpi.c @@ -42,7 +42,7 @@ static acpi_status tb_acpi_add_link(acpi_handle handle, u32 level, void *data, */ dev = acpi_get_first_physical_node(adev); while (!dev) { - adev = adev->parent; + adev = acpi_dev_parent(adev); if (!adev) break; dev = acpi_get_first_physical_node(adev); diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c index a8e273fe204a..e1f4df7238bf 100644 --- a/drivers/usb/typec/mux/intel_pmc_mux.c +++ b/drivers/usb/typec/mux/intel_pmc_mux.c @@ -569,15 +569,6 @@ err_unregister_switch: return ret; } -static int is_memory(struct acpi_resource *res, void *data) -{ - struct resource_win win = {}; - struct resource *r = &win.res; - - return !(acpi_dev_resource_memory(res, r) || - acpi_dev_resource_address_space(res, &win)); -} - /* IOM ACPI IDs and IOM_PORT_STATUS_OFFSET */ static const struct acpi_device_id iom_acpi_ids[] = { /* TigerLake */ @@ -611,7 +602,7 @@ static int pmc_usb_probe_iom(struct pmc_usb *pmc) return -ENODEV; INIT_LIST_HEAD(&resource_list); - ret = acpi_dev_get_resources(adev, &resource_list, is_memory, NULL); + ret = acpi_dev_get_memory_resources(adev, &resource_list); if (ret < 0) return ret; |