linux-kernel - Re: [PATCH v2 1/4] drm/bridge: ti-sn65dsi86: Don't compile GPIO bits if not CONFIG_OF

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Message-ID: <CAD=FV=W6d-Asap63+MDga26k2krfNOZ4ftcM1HPp3T0oXWdA0A@mail.gmail.com>
Date:   Mon, 15 Jun 2020 07:36:54 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Sean Paul <seanpaul@...omium.org>
Cc:     Stephen Boyd <swboyd@...omium.org>,
        Sandeep Panda <spanda@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Clark <robdclark@...omium.org>,
        kernel test robot <lkp@...el.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Jonas Karlman <jonas@...boo.se>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/4] drm/bridge: ti-sn65dsi86: Don't compile GPIO bits
 if not CONFIG_OF_GPIO

Hi,

On Fri, Jun 12, 2020 at 12:31 PM Douglas Anderson <dianders@...omium.org> wrote:
>
> The kernel test robot noted that if "OF" is defined (which is needed
> to select DRM_TI_SN65DSI86 at all) but not OF_GPIO that we'd get
> compile failures because some of the members that we access in "struct
> gpio_chip" are only defined "#if defined(CONFIG_OF_GPIO)".
>
> All the GPIO bits in the driver are all nicely separated out.  We'll
> guard them with the same "#if defined" that the header has and add a
> little stub function if OF_GPIO is not defined.
>
> Fixes: 27ed2b3f22ed ("drm/bridge: ti-sn65dsi86: Export bridge GPIOs to Linux")
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> Reviewed-by: Stephen Boyd <swboyd@...omium.org>
> ---
>
> Changes in v2: None
>
>  drivers/gpu/drm/bridge/ti-sn65dsi86.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)

The kernel test robot gave me another yell over the weekend.  I think
the whole series is ready to land, but if nothing else could at least
patch #1 land to fix the build error so the robot is happy?

-Doug