linux-kernel - Re: [PATCH v4 2/3] drm/bridge: anx7625: fix not correct return value

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Message-ID: <20210205114033.GC18836@zhaomy-pc>
Date:   Fri, 5 Feb 2021 19:40:33 +0800
From:   Xin Ji <xji@...logixsemi.com>
To:     Robert Foss <robert.foss@...aro.org>
Cc:     Nicolas Boichat <drinkcat@...gle.com>,
        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@...l.net>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>, Torsten Duwe <duwe@....de>,
        Vasily Khoruzhick <anarsoul@...il.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Sheng Pan <span@...logixsemi.com>,
        Bernie Liang <bliang@...logixsemi.com>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        devel@...verdev.osuosl.org
Subject: Re: [PATCH v4 2/3] drm/bridge: anx7625: fix not correct return value

On Thu, Feb 04, 2021 at 01:28:30PM +0100, Robert Foss wrote:
> Hi Xin,
> 
> On Thu, 28 Jan 2021 at 04:12, Xin Ji <xji@...logixsemi.com> wrote:
> >
> > At some time, the original code may return non zero value, force return 0
> > if operation finished
> 
> Missing "." at end of line.
Hi Rob, OK, thanks, I'll add it in the next series.
Thanks,
Xin
> 
> Other than that, this patch looks fine. Feel free to add my r-b.
> Reviewed-by: Robert Foss <robert.foss@...aro.org>
> 
> >
> > Signed-off-by: Xin Ji <xji@...logixsemi.com>
> > ---
> >  drivers/gpu/drm/bridge/analogix/anx7625.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
> > index 65cc059..04536cc 100644
> > --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
> > +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
> > @@ -189,10 +189,10 @@ static int wait_aux_op_finish(struct anx7625_data *ctx)
> >                                AP_AUX_CTRL_STATUS);
> >         if (val < 0 || (val & 0x0F)) {
> >                 DRM_DEV_ERROR(dev, "aux status %02x\n", val);
> > -               val = -EIO;
> > +               return -EIO;
> >         }
> >
> > -       return val;
> > +       return 0;
> >  }
> >
> >  static int anx7625_video_mute_control(struct anx7625_data *ctx,
> > --
> > 2.7.4
> >