linux-kernel - Re: [PATCH v2 1/1] gpio: mpfs: add polarfire soc gpio support

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Date:   Wed, 13 Jul 2022 19:50:54 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Conor.Dooley@...rochip.com
Cc:     Lewis.Hanly@...rochip.com,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Marc Zyngier <maz@...nel.org>, Daire.McNamara@...rochip.com
Subject: Re: [PATCH v2 1/1] gpio: mpfs: add polarfire soc gpio support

On Wed, Jul 13, 2022 at 7:44 PM <Conor.Dooley@...rochip.com> wrote:
> On 13/07/2022 12:59, Andy Shevchenko wrote:
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe

...

> >> +#define BYTE_BOUNDARY                  0x04
> >
> > Without namespace?
>
> Does byte_boundary even need to be defined?
> is incrementing an address by 0x4 not kinda obvious on its own
> as to what it is doing?

The less magic is the better.

Btw, have you considered gpio-regmap? Can it be utilized here?

-- 
With Best Regards,
Andy Shevchenko