linux-kernel - Re: [LINUX PATCH V3 3/9] gpio: gpio-xilinx: Add clock support

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Date:   Wed, 18 Nov 2020 01:00:59 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Srinivas Neeli <srinivas.neeli@...inx.com>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Michal Simek <michal.simek@...inx.com>,
        Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>,
        sgoud@...inx.com, Robert Hancock <hancock@...systems.ca>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        git@...inx.com
Subject: Re: [LINUX PATCH V3 3/9] gpio: gpio-xilinx: Add clock support

On Wed, Nov 18, 2020 at 12:53 AM Linus Walleij <linus.walleij@...aro.org> wrote:
> On Thu, Nov 12, 2020 at 6:13 PM Srinivas Neeli
> <srinivas.neeli@...inx.com> wrote:
>
> > Adds clock support to the Xilinx GPIO driver.
> >
> > Signed-off-by: Srinivas Neeli <srinivas.neeli@...inx.com>
>
> (...)
> > +       chip->clk = devm_clk_get_optional(&pdev->dev, NULL);
> > +       if (IS_ERR(chip->clk)) {
> > +               if (PTR_ERR(chip->clk) != -EPROBE_DEFER)
> > +                       dev_dbg(&pdev->dev, "Input clock not found\n");
> > +               return PTR_ERR(chip->clk);
> > +       }
>
> You can now use return dev_err_probe(dev, ret, "failed to get clock\n");
> to avoid all the comparing with -EPROBE_DEFER.

Patch applied anyways, this can be done separately.

Yours,
Linus Walleij