On Thu, Oct 14, 2021 at 3:48 PM Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>
> We have a couple of users of this helper, make it available for them.
>
> The prototype for the helper is specifically crafted in order to be
> easily used with bus_find_device() call. That's why its location is
> in the driver core rather than ACPI.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
OK, please feel free to add
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
to all of the patches in this series.
> ---
> v4: amended changelog to clarify implementation details (Rafael)
> drivers/base/core.c | 6 ++++++
> include/linux/device/bus.h | 1 +
> 2 files changed, 7 insertions(+)
>
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index b67ebe6a323c..fd034d742447 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -4838,6 +4838,12 @@ int device_match_acpi_dev(struct device *dev, const void *adev)
> }
> EXPORT_SYMBOL(device_match_acpi_dev);
>
> +int device_match_acpi_handle(struct device *dev, const void *handle)
> +{
> + return ACPI_HANDLE(dev) == handle;
> +}
> +EXPORT_SYMBOL(device_match_acpi_handle);
> +
> int device_match_any(struct device *dev, const void *unused)
> {
> return 1;
> diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
> index 062777a45a74..a039ab809753 100644
> --- a/include/linux/device/bus.h
> +++ b/include/linux/device/bus.h
> @@ -143,6 +143,7 @@ int device_match_of_node(struct device *dev, const void *np);
> int device_match_fwnode(struct device *dev, const void *fwnode);
> int device_match_devt(struct device *dev, const void *pdevt);
> int device_match_acpi_dev(struct device *dev, const void *adev);
> +int device_match_acpi_handle(struct device *dev, const void *handle);
> int device_match_any(struct device *dev, const void *unused);
>
> /* iterator helpers for buses */
> --
> 2.33.0
>
