media: omap3isp: Allow it to build with COMPILE_TEST

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.

Co-developed-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 1ee915b..e3229f7 100644 (file)
--- 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 9952f95..f22cf35 100644 (file)
--- 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>
@@ -1938,13 +1940,16 @@ error_csi2:
 
 static void isp_detach_iommu(struct isp_device *isp)
 {
+#ifdef CONFIG_ARM_DMA_USE_IOMMU
        arm_iommu_detach_device(isp->dev);
        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;
 
@@ -1973,6 +1978,9 @@ error:
        arm_iommu_release_mapping(isp->mapping);
        isp->mapping = NULL;
        return ret;
+#else
+       return -ENODEV;
+#endif
 }
 
 /*