linux-kernel - Re: [PATCH] drm/bridge: DRM_CROS_EC_ANX7688 should depend on I2C_CROS_EC

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Date:   Thu, 27 May 2021 14:10:48 +0200
From:   Robert Foss <robert.foss@...aro.org>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc:     Geert Uytterhoeven <geert+renesas@...der.be>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Nicolas Boichat <drinkcat@...omium.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/bridge: DRM_CROS_EC_ANX7688 should depend on I2C_CROS_EC_TUNNEL

Pushed to drm-misc-next.

On Thu, 27 May 2021 at 13:07, Enric Balletbo i Serra
<enric.balletbo@...labora.com> wrote:
>
> Hi Geert,
>
> Thank you for your patch.
>
> On 26/5/21 9:50, Geert Uytterhoeven wrote:
> > The ChromeOS EC ANX7688 bridge is connected to a ChromeOS Embedded
> > Controller, and is accessed using I2C tunneling through the Embedded
> > Controller.  Hence add a dependency on I2C_CROS_EC_TUNNEL, to prevent
> > asking the user about this driver when configuring a kernel without
> > support for the ChromeOS EC tunnel I2C bus.
> >
> > Fixes: 44602b10d7f2a5f7 ("drm/bridge: Add ChromeOS EC ANX7688 bridge driver support")
> > Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
>
> Reviewed-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
>
> > ---
> >  drivers/gpu/drm/bridge/Kconfig | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig
> > index 7e7f28eb954661e2..c96e4b38d1d34ee6 100644
> > --- a/drivers/gpu/drm/bridge/Kconfig
> > +++ b/drivers/gpu/drm/bridge/Kconfig
> > @@ -53,6 +53,7 @@ config DRM_CHRONTEL_CH7033
> >  config DRM_CROS_EC_ANX7688
> >       tristate "ChromeOS EC ANX7688 bridge"
> >       depends on OF
> > +     depends on I2C_CROS_EC_TUNNEL || COMPILE_TEST
> >       select DRM_KMS_HELPER
> >       select REGMAP_I2C
> >       help
> >