Re: [PATCH V2 3/3] dt-bindings: pinctrl: k3: Deprecate header with register constants

From: Krzysztof Kozlowski
Date: Thu Mar 16 2023 - 02:37:20 EST


On 15/03/2023 16:52, Nishanth Menon wrote:
> For convenience (less code duplication), the pin controller pin
> configuration register values were defined in the bindings header.
> These are not some IDs or other abstraction layer but raw numbers used
> in the registers.
>
> These constants do not fit the purpose of bindings. They do not
> provide any abstraction, any hardware and driver independent ID. In
> fact, the Linux pinctrl-single driver actually do not use the bindings
> header at all.
>
> All of the constants were moved already to headers local to DTS
> (residing in DTS directory), so remove any references to the bindings
> header and add a warning that it is deprecated.
>
> Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> Link: https://lore.kernel.org/linux-arm-kernel/71c7feff-4189-f12f-7353-bce41a61119d@xxxxxxxxxx/
> Signed-off-by: Nishanth Menon <nm@xxxxxx>
> ---
> New patch in V2 series and we expect to remove this header after a kernel
> rev.
>
> include/dt-bindings/pinctrl/k3.h | 7 +++++++
> 1 file changed, 7 insertions(+)

This should go to the same branch as DTS, so not pinctrl tree, to avoid
warnings.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Best regards,
Krzysztof