linux-kernel - Compile failure on linux-n900 branch -- MEDIA_CAMERA

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Date:	Sun, 1 Dec 2013 20:21:20 +0100
From:	Pavel Machek <pavel@....cz>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	sre@...g0.de, sre@...ian.org,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Compile failure on linux-n900 branch -- MEDIA_CAMERA_SUPPORT
 needed for n900 compilation

Hi!

I just hit this one:

  CC      arch/arm/mach-omap2/board-rx51-camera.o
In file included from arch/arm/mach-omap2/board-rx51-camera.c:34:0:
arch/arm/mach-omap2/../../../drivers/media/platform/omap3isp/isp.h: In
function 'isp_pad_buffer_type':
arch/arm/mach-omap2/../../../drivers/media/platform/omap3isp/isp.h:347:19:
error: 'const struct v4l2_subdev' has no member named 'entity'
arch/arm/mach-omap2/../../../drivers/media/platform/omap3isp/isp.h:350:12:
error: 'const struct v4l2_subdev' has no member named 'entity'
make[1]: *** [arch/arm/mach-omap2/board-rx51-camera.o] Error 1
make: *** [arch/arm/mach-omap2] Error 2
make: *** Waiting for unfinished jobs....
Command exited with non-zero status 2

Problem seems to be that isp.h expects CONFIG_MEDIA_CONTROLLER to be set,
but board-rx51-camera.c is always compiled. We could do

config MACH_NOKIA_RX51
        bool "Nokia N900 (RX-51) phone"
-        depends on ARCH_OMAP3
+        depends on ARCH_OMAP3 && MEDIA_CONTROLLER
        default y
	select OMAP_PACKAGE_CBB

...but that's cruel to the user. Would this be acceptable?

config MACH_NOKIA_RX51
        bool "Nokia N900 (RX-51) phone"
        depends on ARCH_OMAP3
        default y
	select OMAP_PACKAGE_CBB
+	select MEDIA_CONTROLLER
+       select MEDIA_CAMERA_SUPPORT

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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