On Thu, Sep 26, 2013 at 11:46 PM, Vincent Stehlé
<vincent.stehle@xxxxxxxxxxx> wrote:
> Make sure static function do_gma_backlight_set() is only defined when
> CONFIG_BACKLIGHT_CLASS_DEVICE is defined, as it is never called otherwise.
>
> This fixes the following warning:
>
> drivers/gpu/drm/gma500/backlight.c:29:13: warning: ‘do_gma_backlight_set’ defined but not used [-Wunused-function]
>
> While at it, remove some end of line spaces.
>
> Signed-off-by: Vincent Stehlé <vincent.stehle@xxxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> ---
>
> Hi,
>
> This can be seen with mainline or linux-next with e.g. allmodconfig on x86.
>
> Best regards,
>
> V.
>
> drivers/gpu/drm/gma500/backlight.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/gma500/backlight.c b/drivers/gpu/drm/gma500/backlight.c
> index 143eba3..399731e 100644
> --- a/drivers/gpu/drm/gma500/backlight.c
> +++ b/drivers/gpu/drm/gma500/backlight.c
> @@ -26,13 +26,13 @@
> #include "intel_bios.h"
> #include "power.h"
>
> +#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
> static void do_gma_backlight_set(struct drm_device *dev)
> {
> -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
> struct drm_psb_private *dev_priv = dev->dev_private;
> backlight_update_status(dev_priv->backlight_device);
> -#endif
> }
> +#endif
>
> void gma_backlight_enable(struct drm_device *dev)
> {
> @@ -43,7 +43,7 @@ void gma_backlight_enable(struct drm_device *dev)
> dev_priv->backlight_device->props.brightness = dev_priv->backlight_level;
> do_gma_backlight_set(dev);
> }
> -#endif
> +#endif
> }
>
> void gma_backlight_disable(struct drm_device *dev)
> @@ -55,7 +55,7 @@ void gma_backlight_disable(struct drm_device *dev)
> dev_priv->backlight_device->props.brightness = 0;
> do_gma_backlight_set(dev);
> }
> -#endif
> +#endif
> }
>
> void gma_backlight_set(struct drm_device *dev, int v)
> @@ -67,7 +67,7 @@ void gma_backlight_set(struct drm_device *dev, int v)
> dev_priv->backlight_device->props.brightness = v;
> do_gma_backlight_set(dev);
> }
> -#endif
> +#endif
> }
>
> int gma_backlight_init(struct drm_device *dev)
> --
> 1.8.4.rc3
Thanks, looks good, I'll apply it to the gma500-fixes branch.
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@xxxxxxxxx>
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