On Thu, May 11, 2017 at 01:35:51PM +0200, Arnd Bergmann wrote:
> The mediatek iommu driver relied on an implicit include of dma-mapping.h,
> but for some reason that is no longer there in 4.12-rc1:
>
> drivers/iommu/mtk_iommu_v1.c: In function 'mtk_iommu_domain_finalise':
> drivers/iommu/mtk_iommu_v1.c:233:16: error: implicit declaration of function
> 'dma_zalloc_coherent'; did you mean 'debug_dma_alloc_coherent'?
> [-Werror=implicit-function-declaration]
> drivers/iommu/mtk_iommu_v1.c: In function 'mtk_iommu_domain_free':
> drivers/iommu/mtk_iommu_v1.c:265:2: error: implicit declaration of function
> 'dma_free_coherent'; did you mean 'debug_dma_free_coherent'?
> [-Werror=implicit-function-declaration]
>
> This adds an explicit #include to make it build again.
>
> Signed-off-by: Arnd Bergmann <a...@arndb.de>
Applied to iommu/fixes, thanks Arnd.
This was probably another victim of
208480b iommu: Remove trace-events include from iommu.h
