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! --- 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> -- 2.39.2