lkml.org 
[lkml]   [2021]   [Feb]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH -next] fbdev: atyfb: always declare aty_{ld,st}_lcd()
On Wed, Feb 24, 2021 at 1:55 PM Randy Dunlap <rdunlap@infradead.org> wrote:
>
> The previously added stubs for aty_{ld,}st_lcd() make it
> so that these functions are used regardless of the config
> options that were guarding them, so remove the #ifdef/#endif
> lines and make their declarations always visible.
> This fixes build warnings that were reported by clang:

Yes, though I think GCC would warn similarly with W=1 builds as well,
which was set for the 0day bot report.

>
> drivers/video/fbdev/aty/atyfb_base.c:180:6: warning: no previous prototype for function 'aty_st_lcd' [-Wmissing-prototypes]
> void aty_st_lcd(int index, u32 val, const struct atyfb_par *par)
> ^
> drivers/video/fbdev/aty/atyfb_base.c:180:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
> void aty_st_lcd(int index, u32 val, const struct atyfb_par *par)
>
> drivers/video/fbdev/aty/atyfb_base.c:183:5: warning: no previous prototype for function 'aty_ld_lcd' [-Wmissing-prototypes]
> u32 aty_ld_lcd(int index, const struct atyfb_par *par)
> ^
> drivers/video/fbdev/aty/atyfb_base.c:183:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
> u32 aty_ld_lcd(int index, const struct atyfb_par *par)
>
> They should not be marked as static since they are used in
> mach64_ct.c.

Probably don't need to be marked extern either (since that's the
implicit default), but I don't feel strongly about it.

Thanks for sending a cleanup for this.
Acked-by: Nick Desaulniers <ndesaulniers@google.com>

>
> Fixes: bfa5782b9caa ("fbdev: atyfb: add stubs for aty_{ld,st}_lcd()")
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Reported-by: kernel test robot <lkp@intel.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Nick Desaulniers <ndesaulniers@google.com>
> Cc: linux-fbdev@vger.kernel.org
> Cc: dri-devel@lists.freedesktop.org
> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> Cc: Sam Ravnborg <sam@ravnborg.org>
> Cc: David Airlie <airlied@linux.ie>
> Cc: Jani Nikula <jani.nikula@linux.intel.com>
> ---
> drivers/video/fbdev/aty/atyfb.h | 3 ---
> 1 file changed, 3 deletions(-)
>
> --- linux-next-20210219.orig/drivers/video/fbdev/aty/atyfb.h
> +++ linux-next-20210219/drivers/video/fbdev/aty/atyfb.h
> @@ -287,11 +287,8 @@ static inline void aty_st_8(int regindex
> #endif
> }
>
> -#if defined(CONFIG_PMAC_BACKLIGHT) || defined (CONFIG_FB_ATY_GENERIC_LCD) || \
> -defined (CONFIG_FB_ATY_BACKLIGHT)
> extern void aty_st_lcd(int index, u32 val, const struct atyfb_par *par);
> extern u32 aty_ld_lcd(int index, const struct atyfb_par *par);
> -#endif
>
> /*
> * DAC operations



--
Thanks,
~Nick Desaulniers

\
 
 \ /
  Last update: 2021-02-24 23:09    [W:0.045 / U:1.556 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site