On Mon, 04 Mar 2024, Jani Nikula <jani.nikula@xxxxxxxxx> wrote: > Removal of the backlight include from fb.h uncovered an implicit > dependency in powerpc asm/backlight.h. Add the explicit include. > > Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> > Closes: https://lore.kernel.org/r/CA+G9fYsAk5TbqqxFC2W4oHLGA0CbTHMxbeq8QayFXTU75YiueA@xxxxxxxxxxxxxx > Fixes: 11b4eedfc87d ("fbdev: Do not include <linux/backlight.h> in header") > Cc: Thomas Zimmermann <tzimmermann@xxxxxxx> > Cc: Helge Deller <deller@xxxxxx> > Cc: linux-fbdev@xxxxxxxxxxxxxxx > Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> > > --- > > Not even compile tested! Naresh, please try this patch! Michael, if this is fine by you, ack to merge via the drm subsystem along with the regressing commit? BR, Jani. > --- > arch/powerpc/include/asm/backlight.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/powerpc/include/asm/backlight.h b/arch/powerpc/include/asm/backlight.h > index 1b5eab62ed04..275d5bb9aa04 100644 > --- a/arch/powerpc/include/asm/backlight.h > +++ b/arch/powerpc/include/asm/backlight.h > @@ -10,6 +10,7 @@ > #define __ASM_POWERPC_BACKLIGHT_H > #ifdef __KERNEL__ > > +#include <linux/backlight.h> > #include <linux/fb.h> > #include <linux/mutex.h> -- Jani Nikula, Intel
