Hi Rafael, On 2022/8/25 0:59, Rafael J. Wysocki wrote:
Index: linux-pm/include/acpi/acpi_bus.h =================================================================== --- linux-pm.orig/include/acpi/acpi_bus.h +++ linux-pm/include/acpi/acpi_bus.h @@ -365,7 +365,6 @@ struct acpi_device { int device_type; acpi_handle handle; /* no handle for fixed hardware */ struct fwnode_handle fwnode; - struct acpi_device *parent; struct list_head wakeup_list; struct list_head del_list; struct acpi_device_status status; @@ -458,6 +457,14 @@ static inline void *acpi_driver_data(str #define to_acpi_device(d) container_of(d, struct acpi_device, dev) #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv)+static inline struct acpi_device *acpi_dev_parent(struct acpi_device *adev)+{ + if (adev->dev.parent) + return to_acpi_device(adev->dev.parent); + + return NULL; +} + static inline void acpi_set_device_status(struct acpi_device *adev, u32 sta) { *((u32 *)&adev->status) = sta; @@ -478,6 +485,7 @@ void acpi_initialize_hp_context(struct a /* acpi_device.dev.bus == &acpi_bus_type */ extern struct bus_type acpi_bus_type;+struct acpi_device *acpi_dev_parent(struct acpi_device *adev);
We have a static inline function above, is it duplicated here? Or did I miss some use cases? Thanks Hanjun
