From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: Build failure: shmobile drm driver references backlight symbols
Date: Tue, 29 Oct 2013 10:04:13 +0000 [thread overview]
Message-ID: <20131029100413.GA8857@n2100.arm.linux.org.uk> (raw)
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.
WARNING: multiple messages have this Message-ID (diff)
From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Sascha Hauer <s.hauer@pengutronix.de>
Cc: David Airlie <airlied@linux.ie>,
linux-arm-kernel@lists.infradead.org,
dri-devel@lists.freedesktop.org
Subject: Build failure: shmobile drm driver references backlight symbols
Date: Tue, 29 Oct 2013 10:04:13 +0000 [thread overview]
Message-ID: <20131029100413.GA8857@n2100.arm.linux.org.uk> (raw)
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.
next reply other threads:[~2013-10-29 10:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-29 10:04 Russell King - ARM Linux [this message]
2013-10-29 10:04 ` Build failure: shmobile drm driver references backlight symbols Russell King - ARM Linux
2013-10-29 17:20 ` Laurent Pinchart
2013-10-29 17:20 ` Laurent Pinchart
2013-10-29 17:20 ` [PATCH] drm: shmobile: Add dependency on BACKLIGHT_CLASS_DEVICE Laurent Pinchart
2013-10-29 17:20 ` Laurent Pinchart
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