Re: [PATCH v7 05/13] reset: Add devm_reset_control_get_optional_shared_by_index()
From: Philipp Zabel
Date: Thu May 07 2026 - 06:06:05 EST
On Do, 2026-05-07 at 11:21 +0200, Tommaso Merciai wrote:
> Add devm_reset_control_get_optional_shared_by_index() to allow the
> drivers to get optional shared reset by passing the index.
>
> Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@xxxxxxxxxxxxxx>
> ---
> v6->v7:
> - New patch.
>
> include/linux/reset.h | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/include/linux/reset.h b/include/linux/reset.h
> index 9c391cf0c822..d49545019631 100644
> --- a/include/linux/reset.h
> +++ b/include/linux/reset.h
> @@ -965,6 +965,24 @@ devm_reset_control_get_shared_by_index(struct device *dev, int index)
> return __devm_reset_control_get(dev, NULL, index, RESET_CONTROL_SHARED);
> }
>
> +/**
> + * devm_reset_control_get_optional_shared_by_index - resource managed
> + * reset_control_get_optional_shared()
> + * @dev: device to be reset by the controller
> + * @index: index of the reset controller
> + *
> + * Managed reset_control_get_optional_shared(). For reset controllers returned
> + * from this function, reset_control_put() is called automatically on driver
> + * detach.
> + *
> + * See reset_control_get_optional_shared() for more information.
> + */
> +static inline struct reset_control *
> +devm_reset_control_get_optional_shared_by_index(struct device *dev, int index)
> +{
> + return __devm_reset_control_get(dev, NULL, index, RESET_CONTROL_OPTIONAL_SHARED);
> +}
> +
> /*
> * TEMPORARY calls to use during transition:
> *
Please don't look up by index.
I'd prefer to get rid of the remaining users of the _by_index() APIs
and remove them entirely.
You have specified reset-names in the bindings. Use them.
regards
Philipp