linux-kernel - Re: [PATCH 2/4] drm/imx: tve remove extraneous type qualifier

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Message-ID: <CAKwvOdnb+nC+5SHjqU0gqwD2kaEptE6EjGtxxgmr36Ts19rNTQ@mail.gmail.com>
Date:   Mon, 26 Oct 2020 12:44:49 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Nathan Chancellor <natechancellor@...il.com>,
        Marco Felsch <m.felsch@...gutronix.de>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Markus Elfring <elfring@...rs.sourceforge.net>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH 2/4] drm/imx: tve remove extraneous type qualifier

On Mon, Oct 26, 2020 at 12:41 PM Arnd Bergmann <arnd@...nel.org> wrote:
>
> From: Arnd Bergmann <arnd@...db.de>
>
> clang warns about functions returning a 'const int' result:
>
> drivers/gpu/drm/imx/imx-tve.c:487:8: warning: type qualifiers ignored on function return type [-Wignored-qualifiers]
>
> Remove the extraneous 'const' qualifier here. I would guess that the
> function was intended to be marked __attribute__((const)) instead,
> but that would also be wrong since it call other functions without
> that attribute.
>
> Fixes: fcbc51e54d2a ("staging: drm/imx: Add support for Television Encoder (TVEv2)")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Thanks for the patch!
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

> ---
>  drivers/gpu/drm/imx/imx-tve.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c
> index ef3c25d87d87..2a8d2e32e7b4 100644
> --- a/drivers/gpu/drm/imx/imx-tve.c
> +++ b/drivers/gpu/drm/imx/imx-tve.c
> @@ -484,7 +484,7 @@ static const char * const imx_tve_modes[] = {
>         [TVE_MODE_VGA] = "vga",
>  };
>
> -static const int of_get_tve_mode(struct device_node *np)
> +static int of_get_tve_mode(struct device_node *np)
>  {
>         const char *bm;
>         int ret, i;
> --
> 2.27.0
>


-- 
Thanks,
~Nick Desaulniers