diff options
Diffstat (limited to 'drivers/acpi')
-rw-r--r-- | drivers/acpi/internal.h | 3 | ||||
-rw-r--r-- | drivers/acpi/power.c | 2 | ||||
-rw-r--r-- | drivers/acpi/scan.c | 78 | ||||
-rw-r--r-- | drivers/acpi/video_detect.c | 7 |
4 files changed, 65 insertions, 25 deletions
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index e3638bafb941..cb229e24c563 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -105,7 +105,8 @@ struct acpi_device_bus_id { 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, unsigned long long sta); + int type, unsigned long long sta, + struct acpi_device_info *info); 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/power.c b/drivers/acpi/power.c index 8048da85b7e0..189a0d4c6d06 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -939,7 +939,7 @@ int acpi_add_power_resource(acpi_handle handle) device = &resource->device; acpi_init_device_object(device, handle, ACPI_BUS_TYPE_POWER, - ACPI_STA_DEFAULT); + ACPI_STA_DEFAULT, NULL); mutex_init(&resource->resource_lock); INIT_LIST_HEAD(&resource->list_node); INIT_LIST_HEAD(&resource->dependents); diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index bc6a79e33220..37317e0ed65d 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -51,8 +51,8 @@ static u64 spcr_uart_addr; struct acpi_dep_data { struct list_head node; - acpi_handle master; - acpi_handle slave; + acpi_handle supplier; + acpi_handle consumer; }; void acpi_scan_lock_acquire(void) @@ -719,6 +719,42 @@ int acpi_device_add(struct acpi_device *device, /* -------------------------------------------------------------------------- Device Enumeration -------------------------------------------------------------------------- */ +static bool acpi_info_matches_ids(struct acpi_device_info *info, + const char * const ids[]) +{ + struct acpi_pnp_device_id_list *cid_list = NULL; + int i; + + if (!(info->valid & ACPI_VALID_HID)) + return false; + + if (info->valid & ACPI_VALID_CID) + cid_list = &info->compatible_id_list; + + for (i = 0; ids[i]; i++) { + int j; + + if (!strcmp(info->hardware_id.string, ids[i])) + return true; + + if (!cid_list) + continue; + + for (j = 0; j < cid_list->count; j++) { + if (!strcmp(cid_list->ids[j].string, ids[i])) + return true; + } + } + + return false; +} + +/* List of HIDs for which we ignore matching ACPI devices, when checking _DEP lists. */ +static const char * const acpi_ignore_dep_ids[] = { + "PNP0D80", /* Windows-compatible System Power Management Controller */ + NULL +}; + static struct acpi_device *acpi_bus_get_parent(acpi_handle handle) { struct acpi_device *device = NULL; @@ -1236,10 +1272,8 @@ static bool acpi_object_is_system_bus(acpi_handle handle) } static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp, - int device_type) + int device_type, struct acpi_device_info *info) { - acpi_status status; - struct acpi_device_info *info; struct acpi_pnp_device_id_list *cid_list; int i; @@ -1250,8 +1284,7 @@ static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp, break; } - status = acpi_get_object_info(handle, &info); - if (ACPI_FAILURE(status)) { + if (!info) { pr_err(PREFIX "%s: Error reading device info\n", __func__); return; @@ -1276,8 +1309,6 @@ static void acpi_set_pnp_ids(acpi_handle handle, struct acpi_device_pnp *pnp, if (info->valid & ACPI_VALID_CLS) acpi_add_id(pnp, info->class_code.string); - kfree(info); - /* * Some devices don't reliably have _HIDs & _CIDs, so add * synthetic HIDs to make sure drivers can find them. @@ -1583,7 +1614,8 @@ 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, unsigned long long sta) + int type, unsigned long long sta, + struct acpi_device_info *info) { INIT_LIST_HEAD(&device->pnp.ids); device->device_type = type; @@ -1592,7 +1624,7 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, device->fwnode.ops = &acpi_device_fwnode_ops; acpi_set_device_status(device, sta); acpi_device_get_busid(device); - acpi_set_pnp_ids(handle, &device->pnp, type); + acpi_set_pnp_ids(handle, &device->pnp, type, info); acpi_init_properties(device); acpi_bus_get_flags(device); device->flags.match_driver = false; @@ -1620,14 +1652,20 @@ static int acpi_add_single_object(struct acpi_device **child, int result; struct acpi_device *device; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_device_info *info = NULL; + + if (handle != ACPI_ROOT_OBJECT && type == ACPI_BUS_TYPE_DEVICE) + acpi_get_object_info(handle, &info); device = kzalloc(sizeof(struct acpi_device), GFP_KERNEL); if (!device) { printk(KERN_ERR PREFIX "Memory allocation error\n"); + kfree(info); return -ENOMEM; } - acpi_init_device_object(device, handle, type, sta); + acpi_init_device_object(device, handle, type, sta, info); + kfree(info); /* * For ACPI_BUS_TYPE_DEVICE getting the status is delayed till here so * that we can call acpi_bus_get_status() and use its quirk handling. @@ -1833,13 +1871,7 @@ static void acpi_device_dep_initialize(struct acpi_device *adev) continue; } - /* - * Skip the dependency of Windows System Power - * Management Controller - */ - skip = info->valid & ACPI_VALID_HID && - !strcmp(info->hardware_id.string, "INT3396"); - + skip = acpi_info_matches_ids(info, acpi_ignore_dep_ids); kfree(info); if (skip) @@ -1849,8 +1881,8 @@ static void acpi_device_dep_initialize(struct acpi_device *adev) if (!dep) return; - dep->master = dep_devices.handles[i]; - dep->slave = adev->handle; + dep->supplier = dep_devices.handles[i]; + dep->consumer = adev->handle; adev->dep_unmet++; mutex_lock(&acpi_dep_list_lock); @@ -2026,8 +2058,8 @@ void acpi_walk_dep_device_list(acpi_handle handle) mutex_lock(&acpi_dep_list_lock); list_for_each_entry_safe(dep, tmp, &acpi_dep_list, node) { - if (dep->master == handle) { - acpi_bus_get_device(dep->slave, &adev); + if (dep->supplier == handle) { + acpi_bus_get_device(dep->consumer, &adev); if (!adev) continue; diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 4f5463b2a217..811d298637cb 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -140,6 +140,13 @@ static const struct dmi_system_id video_detect_dmi_table[] = { }, { .callback = video_detect_force_vendor, + .ident = "GIGABYTE GB-BXBT-2807", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), + DMI_MATCH(DMI_PRODUCT_NAME, "GB-BXBT-2807"), + }, + }, + { .ident = "Sony VPCEH3U1E", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), |