linux-kernel - Re: [PATCH v3 3/5] gpio: gpio-aspeed-sgpio: Add AST2600 sgpio support

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Message-ID: <CAHp75VfmCJEP+N-U5nhg-R1bhG5iSfqAsPf3022u8T2mmTFRAA@mail.gmail.com>
Date:   Fri, 4 Jun 2021 13:21:43 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Steven Lee <steven_lee@...eedtech.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "moderated list:ARM/ASPEED MACHINE SUPPORT" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/ASPEED MACHINE SUPPORT" 
        <linux-aspeed@...ts.ozlabs.org>,
        open list <linux-kernel@...r.kernel.org>,
        "Hongweiz@....com" <Hongweiz@....com>,
        Ryan Chen <ryan_chen@...eedtech.com>,
        Billy Tsai <billy_tsai@...eedtech.com>
Subject: Re: [PATCH v3 3/5] gpio: gpio-aspeed-sgpio: Add AST2600 sgpio support

On Fri, Jun 4, 2021 at 5:14 AM Steven Lee <steven_lee@...eedtech.com> wrote:
> The 06/03/2021 19:05, Andy Shevchenko wrote:
> > On Thu, Jun 3, 2021 at 1:19 PM Steven Lee <steven_lee@...eedtech.com> wrote:

> > > +#define GPIO_OFFSET(x)        ((x) & 0x1f)
> >
> > GENMASK()
> >
> > ...
> >
>
> Do you mean the macro should be modified as follows?
> #define GPIO_OFFSET(x)        ((x) & GENMASK(4, 0))

Yes.

-- 
With Best Regards,
Andy Shevchenko