From: Arnd Bergmann <arnd@xxxxxxxx>
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@xxxxxxxx>
Co-developed-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
---
drivers/media/platform/Kconfig | 6 ++----
drivers/media/platform/omap3isp/isp.c | 8 ++++++++
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index 1ee915b794c0..e3229f7baed1 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
}
/*
--
2.14.3
