Re: [PATCH v3 1/3] driver core: Provide device_match_acpi_handle() helper

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On Thu, Oct 7, 2021 at 7:18 PM Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>
> We have couple of users of this helper, make it available for them.

"a couple"?

>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> v3: no changes
>  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)

Hmmm.  Should the second arg be of type acpi_handle?

And doesn't this function belong to the ACPI core?  It is related to
acpi_bus_get_device() and such which are located there.

> +{
> +       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
>



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