Re: [PATCH 2/5] dt-bindings: gpio: gpio-thunderx: Describe pin-cfg option

From: Krzysztof Kozlowski
Date: Sun Jun 26 2022 - 06:41:00 EST


On 26/06/2022 00:59, Linus Walleij wrote:
> On Mon, Jun 13, 2022 at 10:04 AM Piyush Malgujar <pmalgujar@xxxxxxxxxxx> wrote:
>
>> Thanks for the reply.
>> But as in this case, we expect a 32 bit reg value via DTS for this driver
>> only from user with internal understanding of marvell soc and this reg bit
>> value can have many different combinations as the register fields can vary
>> for different marvell SoCs.
>> This patch just reads the reg value from DTS and writes it to the register.
>
> I understand that this is convenient but it does not use the right kernel
> abstractions and it does not use device tree bindings the right way
> either.
>
> Rewrite the patches using definitions and fine control and move away
> from magic numbers to be poked into registers.

+1

Let's don't repeat the same pattern Samsung pinctrl has.

Best regards,
Krzysztof