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iommu/mediatek: Include linux/dma-mapping.h

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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 <arnd@arndb.de>
Fixes: 208480bb27 ('iommu: Remove trace-events include from iommu.h')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Arnd Bergmann 2017-05-11 13:35:51 +02:00 committed by Joerg Roedel
parent f73a7eee90
commit 745b6e7470
1 changed files with 1 additions and 0 deletions
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drivers/iommu/mtk_iommu_v1.c
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@ -18,6 +18,7 @@
#include <linux/clk.h>
#include <linux/component.h>
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/dma-iommu.h>
#include <linux/err.h>
#include <linux/interrupt.h>