Hi Arnd, On Mon, Apr 17, 2023 at 11:04:11PM +0200, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > The empty stub functions are defined as global functions, which > causes a warning because of missing prototypes: > > drivers/gpu/drm/exynos/exynos_drm_g2d.h:37:5: error: no previous prototype for 'g2d_open' > drivers/gpu/drm/exynos/exynos_drm_g2d.h:42:5: error: no previous prototype for 'g2d_close' > > Mark them as 'static inline' to avoid the warning and to make > them behave as intended. > > Fixes: eb4d9796fa34 ("drm/exynos: g2d: Convert to driver component API") > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> # v4.19+ Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxx> Thanks, Andi