From ac29fc66855b79c2960c63a4a66952d5b721d698 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Mon, 27 Nov 2017 16:10:27 +0100 Subject: [PATCH] drm/i915: fix intel_backlight_device_register declaration Git-commit: ac29fc66855b79c2960c63a4a66952d5b721d698 Patch-mainline: v4.15-rc2 References: FATE#322643 bsc#1055900 No-fix: 2de2d0b063b08becb2c67a2c338c44e37bdcffee The alternative intel_backlight_device_register() definition apparently never got used, but I have now run into a case of i915 being compiled without CONFIG_BACKLIGHT_CLASS_DEVICE, resulting in a number of identical warnings: drivers/gpu/drm/i915/intel_drv.h:1739:12: error: 'intel_backlight_device_register' defined but not used [-Werror=unused-function] This marks the function as 'inline', which was surely the original intention here. Fixes: 1ebaa0b9c2d4 ("drm/i915: Move backlight registration to connector registration") Signed-off-by: Arnd Bergmann Signed-off-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20171127151239.1813673-1-arnd@arndb.de (cherry picked from commit 2de2d0b063b08becb2c67a2c338c44e37bdcffee) Signed-off-by: Joonas Lahtinen Acked-by: Takashi Iwai --- drivers/gpu/drm/i915/intel_drv.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1736,7 +1736,7 @@ extern struct drm_display_mode *intel_fi int intel_backlight_device_register(struct intel_connector *connector); void intel_backlight_device_unregister(struct intel_connector *connector); #else /* CONFIG_BACKLIGHT_CLASS_DEVICE */ -static int intel_backlight_device_register(struct intel_connector *connector) +static inline int intel_backlight_device_register(struct intel_connector *connector) { return 0; }