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