Hi Dave, After merging the drm tree, today's linux-next build (x86_64 allmodconfig) failed like this: drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c:198:26: error: redefinition of 'tinydrm_of_find_backlight' struct backlight_device *tinydrm_of_find_backlight(struct device *dev) ^ In file included from drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c:11:0: include/drm/tinydrm/tinydrm-helpers.h:53:1: note: previous definition of 'tinydrm_of_find_backlight' was here tinydrm_of_find_backlight(struct device *dev) ^ drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c:230:5: error: redefinition of 'tinydrm_enable_backlight' int tinydrm_enable_backlight(struct backlight_device *backlight) ^ In file included from drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c:11:0: include/drm/tinydrm/tinydrm-helpers.h:58:19: note: previous definition of 'tinydrm_enable_backlight' was here static inline int tinydrm_enable_backlight(struct backlight_device *backlight) ^ drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c:258:5: error: redefinition of 'tinydrm_disable_backlight' int tinydrm_disable_backlight(struct backlight_device *backlight) ^ In file included from drivers/gpu/drm/tinydrm/core/tinydrm-helpers.c:11:0: include/drm/tinydrm/tinydrm-helpers.h:64:1: note: previous definition of 'tinydrm_disable_backlight' was here tinydrm_disable_backlight(struct backlight_device *backlight) ^ Caused by commit 9f69eb5c36a6 ("drm/tinydrm: Add helper functions") I have used the drm tree from next-20170223 for today. -- Cheers, Stephen Rothwell -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html