linux-kernel - Re: [PATCH 3/3] drm/tinydrm: helpers: Properly fix backlight dependency

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Date:   Mon, 27 Feb 2017 01:00:17 +0100
From:   Daniel Vetter <daniel@...ll.ch>
To:     Noralf Trønnes <noralf@...nnes.org>
Cc:     dri-devel@...ts.freedesktop.org, Daniel Vetter <daniel@...ll.ch>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] drm/tinydrm: helpers: Properly fix backlight
 dependency

On Sun, Feb 26, 2017 at 11:44:40PM +0100, Noralf Trønnes wrote:
> 
> Den 23.02.2017 14.29, skrev Noralf Trønnes:
> > BACKLIGHT_CLASS_DEVICE was selected in the last version of the
> > tinydrm patchset to fix the backlight dependency, but the
> > ifdef CONFIG_BACKLIGHT_CLASS_DEVICE was forgotten. Fix that.
> > 
> > Signed-off-by: Noralf Trønnes <noralf@...nnes.org>
> > ---
> 
> Please apply this, it causes a build error if backlight is built as
> a module. In my haste to fix the problems reported after tinydrm was
> pulled, I mistook it for a warning so it was mislabeled.
> Sorry about the noise caused by tinydrm.

They are all already applied and in Linus' tree. Dave Airlie generally
doesn't send out a mail when he merges stuff.
-Daniel

> 
> Noralf.
> 
> 
> >   include/drm/tinydrm/tinydrm-helpers.h | 19 -------------------
> >   1 file changed, 19 deletions(-)
> > 
> > diff --git a/include/drm/tinydrm/tinydrm-helpers.h b/include/drm/tinydrm/tinydrm-helpers.h
> > index 78175fe..9b9b6cf 100644
> > --- a/include/drm/tinydrm/tinydrm-helpers.h
> > +++ b/include/drm/tinydrm/tinydrm-helpers.h
> > @@ -44,28 +44,9 @@ void tinydrm_xrgb8888_to_rgb565(u16 *dst, void *vaddr,
> >   				struct drm_framebuffer *fb,
> >   				struct drm_clip_rect *clip, bool swap);
> > -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
> >   struct backlight_device *tinydrm_of_find_backlight(struct device *dev);
> >   int tinydrm_enable_backlight(struct backlight_device *backlight);
> >   int tinydrm_disable_backlight(struct backlight_device *backlight);
> > -#else
> > -static inline struct backlight_device *
> > -tinydrm_of_find_backlight(struct device *dev)
> > -{
> > -	return NULL;
> > -}
> > -
> > -static inline int tinydrm_enable_backlight(struct backlight_device *backlight)
> > -{
> > -	return 0;
> > -}
> > -
> > -static inline int
> > -tinydrm_disable_backlight(struct backlight_device *backlight)
> > -{
> > -	return 0;
> > -}
> > -#endif
> >   size_t tinydrm_spi_max_transfer_size(struct spi_device *spi, size_t max_len);
> >   bool tinydrm_spi_bpw_supported(struct spi_device *spi, u8 bpw);
> 

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