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Date:   Tue,  5 Mar 2019 14:29:48 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Mark Brown <broonie@...nel.org>, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] [v2] media: staging: davinci_vpfe: disallow building with COMPILE_TEST

The driver should really call dm365_isif_setup_pinmux() through a callback,
but uses a hack to include a davinci specific machine header file when
compile testing instead. This works almost everywhere, but not on the
ARM omap1 platform, which has another header named mach/mux.h. This
causes a build failure:

drivers/staging/media/davinci_vpfe/dm365_isif.c:2028:2: error: implicit declaration of function 'davinci_cfg_reg' [-Werror,-Wimplicit-function-declaration]
        davinci_cfg_reg(DM365_VIN_CAM_WEN);
        ^
drivers/staging/media/davinci_vpfe/dm365_isif.c:2028:2: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
drivers/staging/media/davinci_vpfe/dm365_isif.c:2028:18: error: use of undeclared identifier 'DM365_VIN_CAM_WEN'
        davinci_cfg_reg(DM365_VIN_CAM_WEN);
                        ^
drivers/staging/media/davinci_vpfe/dm365_isif.c:2029:18: error: use of undeclared identifier 'DM365_VIN_CAM_VD'
        davinci_cfg_reg(DM365_VIN_CAM_VD);
                        ^
drivers/staging/media/davinci_vpfe/dm365_isif.c:2030:18: error: use of undeclared identifier 'DM365_VIN_CAM_HD'
        davinci_cfg_reg(DM365_VIN_CAM_HD);
                        ^
drivers/staging/media/davinci_vpfe/dm365_isif.c:2031:18: error: use of undeclared identifier 'DM365_VIN_YIN4_7_EN'
        davinci_cfg_reg(DM365_VIN_YIN4_7_EN);
                        ^
drivers/staging/media/davinci_vpfe/dm365_isif.c:2032:18: error: use of undeclared identifier 'DM365_VIN_YIN0_3_EN'
        davinci_cfg_reg(DM365_VIN_YIN0_3_EN);
                        ^
7 errors generated.

Exclude omap1 from compile-testing, under the assumption that all others
still work.

Fixes: 4907c73deefe ("media: staging: davinci_vpfe: allow building with COMPILE_TEST")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/staging/media/davinci_vpfe/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/davinci_vpfe/Kconfig b/drivers/staging/media/davinci_vpfe/Kconfig
index aea449a8dbf8..76818cc48ddc 100644
--- a/drivers/staging/media/davinci_vpfe/Kconfig
+++ b/drivers/staging/media/davinci_vpfe/Kconfig
@@ -1,7 +1,7 @@
 config VIDEO_DM365_VPFE
 	tristate "DM365 VPFE Media Controller Capture Driver"
 	depends on VIDEO_V4L2
-	depends on (ARCH_DAVINCI_DM365 && !VIDEO_DM365_ISIF) || COMPILE_TEST
+	depends on (ARCH_DAVINCI_DM365 && !VIDEO_DM365_ISIF) || (COMPILE_TEST && !ARCH_OMAP1)
 	depends on VIDEO_V4L2_SUBDEV_API
 	depends on VIDEO_DAVINCI_VPBE_DISPLAY
 	select VIDEOBUF2_DMA_CONTIG
-- 
2.20.0

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