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Merge "iommu/dma-iommu: Allow dma_info_to_prot to be used globally"

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qctecmdr 2019-08-08 16:24:17 -07:00 • committed by Gerrit - the friendly Code Review server
commit 4e04f3ba8f
2 changed files with 3 additions and 1 deletions
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2
drivers/iommu/dma-iommu.c
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@ -362,7 +362,7 @@ static int iommu_dma_init_domain(struct iommu_domain *domain, dma_addr_t base,
*
* Return: corresponding IOMMU API page protection flags
*/
static int dma_info_to_prot(enum dma_data_direction dir, bool coherent,
int dma_info_to_prot(enum dma_data_direction dir, bool coherent,
unsigned long attrs)
{
int prot = coherent ? IOMMU_CACHE : 0;

2
include/linux/dma-iommu.h
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@ -20,6 +20,8 @@ int iommu_get_dma_cookie(struct iommu_domain *domain);
int iommu_get_msi_cookie(struct iommu_domain *domain, dma_addr_t base);
void iommu_put_dma_cookie(struct iommu_domain *domain);
int dma_info_to_prot(enum dma_data_direction dir, bool coherent,
unsigned long attrs);
size_t iommu_dma_prepare_map_sg(struct device *dev, struct iova_domain *iovad,
struct scatterlist *sg, int nents);
int iommu_dma_finalise_sg(struct device *dev, struct scatterlist *sg,