From: Rafael J. Wysocki Date: Wed, 10 Aug 2022 16:16:33 +0000 (+0200) Subject: ACPI: scan: Rearrange initialization of ACPI device objects X-Git-Tag: v6.1-rc5~355^2~8^2~10 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5c5e1237032aaa39107e2d0bb8e6cb84b3c41161;p=platform%2Fkernel%2Flinux-starfive.git ACPI: scan: Rearrange initialization of ACPI device objects The initialization of ACPI device objects is split between acpi_init_device_object() and __acpi_device_add() that initializes the dev field in struct acpi_device. The "release" function pointer is passed to __acpi_device_add() for this reason. However, that split is artificial and all of the initialization can be carried out by acpi_init_device_object(), so rearrange the code to that end. In particular, make acpi_init_device_object() take the "release" pointer as an argument, along with the "type" which is related to it, instead of __acpi_device_add(). No intentional functional impact. Signed-off-by: Rafael J. Wysocki Reviewed-by: Punit Agrawal --- diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 628bf8f..b799585 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -102,10 +102,9 @@ 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_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/power.c b/drivers/acpi/power.c index 8c4a73a..2ae48ab 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -944,7 +944,8 @@ 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); @@ -968,7 +969,7 @@ 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_device_add(device); if (result) goto err; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 25a104d..75a32f2 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -673,8 +673,7 @@ 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 *)) +static int __acpi_device_add(struct acpi_device *device) { struct acpi_device_bus_id *acpi_device_bus_id; int result; @@ -730,11 +729,6 @@ 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"); @@ -761,7 +755,7 @@ err_unlock: return result; } -int acpi_device_add(struct acpi_device *adev, void (*release)(struct device *)) +int acpi_device_add(struct acpi_device *adev) { int ret; @@ -769,7 +763,7 @@ int acpi_device_add(struct acpi_device *adev, void (*release)(struct device *)) if (ret) return ret; - return __acpi_device_add(adev, release); + return __acpi_device_add(adev); } /* -------------------------------------------------------------------------- @@ -1777,12 +1771,19 @@ 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_find_parent_acpi_dev(handle); + if (parent) { + device->parent = parent; + device->dev.parent = &parent->dev; + } + 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); @@ -1836,7 +1837,7 @@ 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 @@ -1866,7 +1867,7 @@ 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);