Messages in this thread Patch in this message | | | From | Geert Uytterhoeven <> | Subject | [PATCH] iommu: SUN50I_IOMMU should depend on HAS_DMA | Date | Mon, 29 Jun 2020 14:11:46 +0200 |
| |
If NO_DMA=y (e.g. Sun-3 all{mod,yes}-config):
drivers/iommu/dma-iommu.o: In function `iommu_dma_mmap': dma-iommu.c:(.text+0x92e): undefined reference to `dma_pgprot'
IOMMU_DMA must not be selected, unless HAS_DMA=y.
Hence fix this by making SUN50I_IOMMU depend on HAS_DMA.
Fixes: 4100b8c229b32835 ("iommu: Add Allwinner H6 IOMMU driver") Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> --- drivers/iommu/Kconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index 6dc49ed8377a5c12..b0f308cb7f7c2fc2 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -305,6 +305,7 @@ config ROCKCHIP_IOMMU config SUN50I_IOMMU bool "Allwinner H6 IOMMU Support" + depends on HAS_DMA depends on ARCH_SUNXI || COMPILE_TEST select ARM_DMA_USE_IOMMU select IOMMU_API -- 2.17.1
| |