Originally MTK_IOMMU could depend on ARM || ARM64.
Both build ok. actually the source code don't support ARM.
this patch changes it only depend on ARM64.
This is a preparing patch for support multi-domain.
otherwise it will build warning in ARM case.
This is the build warning log:
drivers/iommu/mtk_iommu.c:163:27: note: in expansion of macro 'SZ_4G'
{.iova_base = 0, .size = SZ_4G},
include/uapi/linux/const.h:20:19: warning: large integer implicitly truncated
to unsigned type [-Woverflow]
#define __AC(X,Y) (X##Y)
^
include/uapi/linux/const.h:21:18: note: in expansion of macro '__AC'
#define _AC(X,Y) __AC(X,Y)
^
include/linux/sizes.h:46:18: note: in expansion of macro '_AC'
#define SZ_4G _AC(0x100000000, ULL)
Signed-off-by: Yong Wu <yong.wu@xxxxxxxxxxxx>
---
drivers/iommu/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index b510f67dfa49..6bebfd3e0021 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -467,6 +467,7 @@ config S390_AP_IOMMU
config MTK_IOMMU
bool "MTK IOMMU Support"
depends on HAS_DMA
+ depends on ARM64
depends on ARCH_MEDIATEK || COMPILE_TEST
select ARM_DMA_USE_IOMMU
select IOMMU_API
--
2.18.0
