From mboxrd@z Thu Jan 1 00:00:00 1970 From: csmanjuvijay@gmail.com (Majunath Goudar) Date: Tue, 8 Oct 2013 16:09:17 +0530 Subject: [PATCH] SHMOBILE: DRM: Fix backlight_device register and unregister undefined errors. Message-ID: <1381228757-23144-1-git-send-email-csmanjuvijay@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch adds a BACKLIGHT_CLASS_DEVICE dependency to configure the DRM_SHMOBILE. Without this patch, build system can lead to build failure. This was observed during randconfig testing, in which DRM_SHMOBILE was enabled w/o BACKLIGHT_CLASS_DEVICE being enabled. Following was the error: Building modules, stage 2. MODPOST 516 modules ERROR: "backlight_device_register" [drivers/gpu/drm/shmobile/shmob-drm.ko] undefined! ERROR: "backlight_device_unregister" [drivers/gpu/drm/shmobile/shmob-drm.ko] undefined! make[1]: *** [__modpost] Error 1 make: *** [modules] Error 2 Signed-off-by: Manjunath Goudar Cc: David Airlie Cc: Laurent Pinchart Cc: Sascha Hauer Cc: dri-devel at lists.freedesktop.org Cc: linux-kernel at vger.kernel.org --- drivers/gpu/drm/shmobile/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/shmobile/Kconfig b/drivers/gpu/drm/shmobile/Kconfig index ca498d1..eaf822e 100644 --- a/drivers/gpu/drm/shmobile/Kconfig +++ b/drivers/gpu/drm/shmobile/Kconfig @@ -1,6 +1,6 @@ config DRM_SHMOBILE tristate "DRM Support for SH Mobile" - depends on DRM && (ARM || SUPERH) + depends on DRM && (ARM || SUPERH) && BACKLIGHT_CLASS_DEVICE select DRM_KMS_HELPER select DRM_KMS_CMA_HELPER select DRM_GEM_CMA_HELPER -- 1.7.9.5