[PATCH] video/fbdev/core: Mark debug-only variable as __maybe_unused

[Sam Ravnborg]

Hi Thomas.

On Wed, Oct 21, 2020 at 02:15:12PM +0200, Thomas Zimmermann wrote:
> Compiling fbcon.c gives
> 
> ../drivers/video/fbdev/core/fbcon.c: In function 'fbcon_exit':
> ../drivers/video/fbdev/core/fbcon.c:3358:7: warning: variable 'pending' set but not used [-Wunused-but-set-variable]
>  3358 |   int pending = 0;
>       |       ^~~~~~~
> 
> The variable pending is only used for fbcon debugging. It's unused
> otherwise. Mark it accordingly.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>

A better fix would be to replace the few uses of DPRINTK() with
pr_dbg(). pr_info() is alread in use.

ofc, the next step would be to replace all prink() with their pr_
counterparts.

Peilin, maybe this is one for your nice cleanups in fbcon?

	Sam