From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Tue, 29 Oct 2013 10:04:13 +0000 Subject: Build failure: shmobile drm driver references backlight symbols Message-ID: <20131029100413.GA8857@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org My build system picked up on this failure: drivers/built-in.o: In function `shmob_drm_backlight_init': fmc-chardev.c:(.text+0x9f2d0): undefined reference to `backlight_device_register' drivers/built-in.o: In function `shmob_drm_backlight_exit': fmc-chardev.c:(.text+0x9f370): undefined reference to `backlight_device_unregister' which is cuased by drivers/gpu/drm/shmobile/shmob_drm_backlight.c being built without the backlight dependency being enabled. It looks like the backlight dependency is a hard requirement, so needs ot be added to the Kconfig entry for this driver in some way. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Build failure: shmobile drm driver references backlight symbols Date: Tue, 29 Oct 2013 10:04:13 +0000 Message-ID: <20131029100413.GA8857@n2100.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Laurent Pinchart , Sascha Hauer Cc: David Airlie , linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org My build system picked up on this failure: drivers/built-in.o: In function `shmob_drm_backlight_init': fmc-chardev.c:(.text+0x9f2d0): undefined reference to `backlight_device_register' drivers/built-in.o: In function `shmob_drm_backlight_exit': fmc-chardev.c:(.text+0x9f370): undefined reference to `backlight_device_unregister' which is cuased by drivers/gpu/drm/shmobile/shmob_drm_backlight.c being built without the backlight dependency being enabled. It looks like the backlight dependency is a hard requirement, so needs ot be added to the Kconfig entry for this driver in some way.