On Thu, 29 Mar 2018 13:46:26 +0200,
Lukas Wunner wrote:
>
> The system sleep PM ops azx_suspend() and azx_resume() were previously
> called by vga_switcheroo, but commit 07f4f97d7b4b ("vga_switcheroo: Use
> device link for HDA controller") removed their invocation.
>
> Unfortunately the commit neglected to update the #ifdef surrounding the
> two functions, so if CONFIG_PM_SLEEP is *not* enabled but all three of
> CONFIG_PM, CONFIG_VGA_SWITCHEROO and CONFIG_SND_HDA_CODEC_HDMI *are*
> enabled, the compiler now emits the following warning:
>
> sound/pci/hda/hda_intel.c:1024:12: warning: 'azx_resume' defined but not used [-Wunused-function]
> static int azx_resume(struct device *dev)
> ^~~~~~~~~~
> sound/pci/hda/hda_intel.c:989:12: warning: 'azx_suspend' defined but not used [-Wunused-function]
> static int azx_suspend(struct device *dev)
> ^~~~~~~~~~~
>
> Silence by updating the #ifdef. Because the #ifdef block now uses the
> same condition as the one immediately succeeding it, the two blocks can
> be collapsed together, shaving off another two lines.
>
> Fixes: 07f4f97d7b4b ("vga_switcheroo: Use device link for HDA controller")
> Cc: Takashi Iwai <tiwai@xxxxxxxx>
> Reported-by: Arnd Bergmann <arnd@xxxxxxxx>
> Signed-off-by: Lukas Wunner <lukas@xxxxxxxxx>
Reviewed-by: Takashi Iwai <tiwai@xxxxxxx>
Can this go through drm(-misc) tree as the original commit stays?
thanks,
Takashi
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