diff options
| author | Heiner Kallweit <hkallweit1@gmail.com> | 2023-10-15 23:34:25 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2023-10-28 15:30:24 +0200 |
| commit | 29166faac5486cbc34228431cd049e1c1be451ac (patch) | |
| tree | 1f213c803d9075d76bfe7bdc5eed5ea7d3443ba1 /include/linux/acpi.h | |
| parent | 3d6cd1af37cb937bb8b65e6047dffc2fb5be7d1c (diff) | |
ACPI: Add helper acpi_use_parent_companion
In several drivers devices use the ACPI companion of the parent.
Add a helper for this use case to avoid code duplication.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'include/linux/acpi.h')
| -rw-r--r-- | include/linux/acpi.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index a73246c3c35e..d17a280ce7c7 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1539,4 +1539,9 @@ static inline void acpi_device_notify(struct device *dev) { } static inline void acpi_device_notify_remove(struct device *dev) { } #endif +static inline void acpi_use_parent_companion(struct device *dev) +{ + ACPI_COMPANION_SET(dev, ACPI_COMPANION(dev->parent)); +} + #endif /*_LINUX_ACPI_H*/ |