From: Arnd Bergmann <arnd@arndb.de>
Date: Thu, 29 Jan 2015 16:12:05 +0000 (-0300)
Subject: [media] davinci: add V4L2 dependencies
X-Git-Tag: v4.0-rc1~130^2~109
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=24692801a4d03dabb64e38b10d089beb3710be9d;p=users%2Fdwmw2%2Flinux.git

[media] davinci: add V4L2 dependencies

The davinci media drivers use videobuf2, which they enable through
a 'select' statement. If one of these drivers is built-in, but
the v4l2 core is a loadable modules, we end up with a link
error:

drivers/built-in.o: In function `vb2_fop_mmap':
:(.text+0x113e84): undefined reference to `video_devdata'
drivers/built-in.o: In function `vb2_ioctl_create_bufs':
:(.text+0x114710): undefined reference to `video_devdata'
drivers/built-in.o: In function `vb2_ioctl_reqbufs':
:(.text+0x114ed8): undefined reference to `video_devdata'
drivers/built-in.o: In function `vb2_ioctl_querybuf':
:(.text+0x115530): undefined reference to `video_devdata'

To solve this, we need to add a dependency on VIDEO_V4L2,
which enforces that the davinci drivers themselves can only
be loadable modules if V4L2 is not built-in, and they do
not cause the videobuf2 code to be built-in.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---

diff --git a/drivers/media/platform/davinci/Kconfig b/drivers/media/platform/davinci/Kconfig
index d9e1ddb586b19..469e9d28cec0e 100644
--- a/drivers/media/platform/davinci/Kconfig
+++ b/drivers/media/platform/davinci/Kconfig
@@ -1,6 +1,6 @@
 config VIDEO_DAVINCI_VPIF_DISPLAY
 	tristate "TI DaVinci VPIF V4L2-Display driver"
-	depends on VIDEO_DEV
+	depends on VIDEO_V4L2
 	depends on ARCH_DAVINCI || COMPILE_TEST
 	depends on HAS_DMA
 	select VIDEOBUF2_DMA_CONTIG
@@ -16,7 +16,7 @@ config VIDEO_DAVINCI_VPIF_DISPLAY
 
 config VIDEO_DAVINCI_VPIF_CAPTURE
 	tristate "TI DaVinci VPIF video capture driver"
-	depends on VIDEO_DEV
+	depends on VIDEO_V4L2
 	depends on ARCH_DAVINCI || COMPILE_TEST
 	depends on HAS_DMA
 	select VIDEOBUF2_DMA_CONTIG
@@ -75,7 +75,7 @@ config VIDEO_DM365_ISIF
 
 config VIDEO_DAVINCI_VPBE_DISPLAY
 	tristate "TI DaVinci VPBE V4L2-Display driver"
-	depends on ARCH_DAVINCI
+	depends on VIDEO_V4L2 && ARCH_DAVINCI
 	depends on HAS_DMA
 	select VIDEOBUF2_DMA_CONTIG
 	help