Re: [PATCH] iommu: SUN50I_IOMMU should depend on HAS_DMA

[Maxime Ripard]

On Mon, Jun 29, 2020 at 02:11:46PM +0200, Geert Uytterhoeven wrote:
> 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@xxxxxxxxxxxxxx>

Acked-by: Maxime Ripard <mripard@xxxxxxxxxx>

Thanks!
Maxime

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