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[3/5] media: omap3isp: allow it to build with COMPILE_TEST

Message ID 2c20d94e468837a035a30c84723442769a306083.1523960171.git.mchehab@s-opensource.com
State Superseded
Headers show
Series None | expand

Commit Message

Mauro Carvalho Chehab April 17, 2018, 10:20 a.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>


There aren't much things required for it to build with COMPILE_TEST.
It just needs to not compile the code that depends on arm-specific
iommu implementation.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Co-developed-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

---
 drivers/media/platform/Kconfig        | 6 ++----
 drivers/media/platform/omap3isp/isp.c | 8 ++++++++
 2 files changed, 10 insertions(+), 4 deletions(-)

-- 
2.14.3
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Patch

diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 1ee915b794c0..2757b621091c 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -63,12 +63,10 @@  config VIDEO_MUX
 config VIDEO_OMAP3
 	tristate "OMAP 3 Camera support"
 	depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API
-	depends on ARCH_OMAP3 || COMPILE_TEST
-	depends on ARM
+	depends on ((ARCH_OMAP3 && OMAP_IOMMU) || COMPILE_TEST)
 	depends on COMMON_CLK
 	depends on HAS_DMA && OF
-	depends on OMAP_IOMMU
-	select ARM_DMA_USE_IOMMU
+	select ARM_DMA_USE_IOMMU if OMAP_IOMMU
 	select VIDEOBUF2_DMA_CONTIG
 	select MFD_SYSCON
 	select V4L2_FWNODE
diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 16c50099cccd..b8c8761a76b6 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -61,7 +61,9 @@ 
 #include <linux/sched.h>
 #include <linux/vmalloc.h>
 
+#ifdef CONFIG_ARM_DMA_USE_IOMMU
 #include <asm/dma-iommu.h>
+#endif
 
 #include <media/v4l2-common.h>
 #include <media/v4l2-fwnode.h>
@@ -1938,12 +1940,15 @@  static int isp_initialize_modules(struct isp_device *isp)
 
 static void isp_detach_iommu(struct isp_device *isp)
 {
+#ifdef CONFIG_ARM_DMA_USE_IOMMU
 	arm_iommu_release_mapping(isp->mapping);
 	isp->mapping = NULL;
+#endif
 }
 
 static int isp_attach_iommu(struct isp_device *isp)
 {
+#ifdef CONFIG_ARM_DMA_USE_IOMMU
 	struct dma_iommu_mapping *mapping;
 	int ret;
 
@@ -1972,6 +1977,9 @@  static int isp_attach_iommu(struct isp_device *isp)
 error:
 	isp_detach_iommu(isp);
 	return ret;
+#else
+	return -ENODEV;
+#endif
 }
 
 /*