linux-kernel - Re: [PATCH] gma500: clean up an excessive and confusing helper

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Date:	Mon, 8 Feb 2016 10:07:36 +0100
From:	Daniel Vetter <daniel@...ll.ch>
To:	Patrik Jakobsson <patrik.r.jakobsson@...il.com>
Cc:	Alan <gnomes@...rguk.ukuu.org.uk>, wuninsu@...il.com,
	linux-kernel <linux-kernel@...r.kernel.org>,
	dri-devel <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH] gma500: clean up an excessive and confusing helper

On Mon, Feb 01, 2016 at 09:11:51AM +0100, Patrik Jakobsson wrote:
> On Fri, Jan 29, 2016 at 8:37 PM, Alan <gnomes@...rguk.ukuu.org.uk> wrote:
> > From: Alan Cox <alan@...ux.intel.com>
> >
> > This is a left over from the great clean ups in the past. It's confusing as
> > it returns an int, yet has one caller that never uses it. The caller already
> > has all the right private variables local so the entire function can be
> > replaced by a simple if call.
> >
> > Signed-off-by: Alan Cox <alan@...ux.intel.com>
> 
> Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@...il.com>

Applied to drm-misc, thanks.
-Daniel

> 
> > ---
> >  drivers/gpu/drm/gma500/framebuffer.c |   20 ++++----------------
> >  1 file changed, 4 insertions(+), 16 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
> > index cb95765..033d894 100644
> > --- a/drivers/gpu/drm/gma500/framebuffer.c
> > +++ b/drivers/gpu/drm/gma500/framebuffer.c
> > @@ -674,29 +674,17 @@ static const struct drm_mode_config_funcs psb_mode_funcs = {
> >         .output_poll_changed = psbfb_output_poll_changed,
> >  };
> >
> > -static int psb_create_backlight_property(struct drm_device *dev)
> > -{
> > -       struct drm_psb_private *dev_priv = dev->dev_private;
> > -       struct drm_property *backlight;
> > -
> > -       if (dev_priv->backlight_property)
> > -               return 0;
> > -
> > -       backlight = drm_property_create_range(dev, 0, "backlight", 0, 100);
> > -
> > -       dev_priv->backlight_property = backlight;
> > -
> > -       return 0;
> > -}
> > -
> >  static void psb_setup_outputs(struct drm_device *dev)
> >  {
> >         struct drm_psb_private *dev_priv = dev->dev_private;
> >         struct drm_connector *connector;
> >
> >         drm_mode_create_scaling_mode_property(dev);
> > -       psb_create_backlight_property(dev);
> >
> > +       /* It is ok for this to fail - we just don't get backlight control */
> > +       if (!dev_priv->backlight_property)
> > +               dev_priv->backlight_property = drm_property_create_range(dev, 0,
> > +                                                       "backlight", 0, 100);
> >         dev_priv->ops->output_init(dev);
> >
> >         list_for_each_entry(connector, &dev->mode_config.connector_list,
> >
> _______________________________________________
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> dri-devel@...ts.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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