linux-kernel - Re: [PATCH RFC v4 1/6] ARM: pxa: Convert Spitz OHCI to GPIO descriptors

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Message-ID: <CAHp75VcBY3W8aVEsRMPNMW9940yT+_=-w8J2uKfqvmUiAVjPhg@mail.gmail.com>
Date:   Sun, 1 Oct 2023 17:32:53 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Duje Mihanović <duje.mihanovic@...le.hr>
Cc:     Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Russell King <linux@...linux.org.uk>,
        Alan Stern <stern@...land.harvard.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Shevchenko <andy@...nel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Mark Brown <broonie@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-input@...r.kernel.org, linux-spi@...r.kernel.org
Subject: Re: [PATCH RFC v4 1/6] ARM: pxa: Convert Spitz OHCI to GPIO descriptors

On Sun, Oct 1, 2023 at 5:13 PM Duje Mihanović <duje.mihanovic@...le.hr> wrote:
>
> Sharp's Spitz board still uses the legacy GPIO interface for controlling
> a GPIO pin related to the USB host controller.
>
> Convert this function to use the new GPIO descriptor interface.

...

> +       pxa_ohci->usb_host = gpiod_get_optional(&pdev->dev, "usb-host", GPIOD_OUT_LOW);
> +       if (IS_ERR(pxa_ohci->usb_host))
> +               dev_warn(&pdev->dev, "failed to get USB host GPIO with %pe\n",
> +                               pxa_ohci->usb_host);

Since you are using _optional() API, you need to bail out on the error
case and replace dev_warn() by dev_err(). I guess I already commented
on this. What is the rationale to not follow my comment?

-- 
With Best Regards,
Andy Shevchenko