Commit fb212ad6 authored by Jordan Crouse's avatar Jordan Crouse Committed by Rob Clark
Browse files

drm/msm: Update the MMU helper function APIs 



Instead of using a bare unsigned type for the length value for map/unmap
functions pass in a size_t to more correctly match up with the underlying
APIs.

Signed-off-by: default avatarJordan Crouse <jcrouse@codeaurora.org>
Tested-by: default avatarShawn Guo <shawn.guo@linaro.org>
Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent ccac7ce3

drivers/gpu/drm/msm/msm_gpummu.c

+2 −2
Original line number Diff line number Diff line
@@ -26,7 +26,7 @@ static void msm_gpummu_detach(struct msm_mmu *mmu) 
}



static int msm_gpummu_map(struct msm_mmu *mmu, uint64_t iova,

		struct sg_table *sgt, unsigned len, int prot)

		struct sg_table *sgt, size_t len, int prot)

{

	struct msm_gpummu *gpummu = to_msm_gpummu(mmu);

	unsigned idx = (iova - GPUMMU_VA_START) / GPUMMU_PAGE_SIZE;
@@ -54,7 +54,7 @@ static int msm_gpummu_map(struct msm_mmu *mmu, uint64_t iova, 
	return 0;

}



static int msm_gpummu_unmap(struct msm_mmu *mmu, uint64_t iova, unsigned len)

static int msm_gpummu_unmap(struct msm_mmu *mmu, uint64_t iova, size_t len)

{

	struct msm_gpummu *gpummu = to_msm_gpummu(mmu);

	unsigned idx = (iova - GPUMMU_VA_START) / GPUMMU_PAGE_SIZE;

drivers/gpu/drm/msm/msm_iommu.c

+2 −2
Original line number Diff line number Diff line
@@ -31,7 +31,7 @@ static void msm_iommu_detach(struct msm_mmu *mmu) 
}



static int msm_iommu_map(struct msm_mmu *mmu, uint64_t iova,

		struct sg_table *sgt, unsigned len, int prot)

		struct sg_table *sgt, size_t len, int prot)

{

	struct msm_iommu *iommu = to_msm_iommu(mmu);

	size_t ret;
@@ -42,7 +42,7 @@ static int msm_iommu_map(struct msm_mmu *mmu, uint64_t iova, 
	return (ret == len) ? 0 : -EINVAL;

}



static int msm_iommu_unmap(struct msm_mmu *mmu, uint64_t iova, unsigned len)

static int msm_iommu_unmap(struct msm_mmu *mmu, uint64_t iova, size_t len)

{

	struct msm_iommu *iommu = to_msm_iommu(mmu);

drivers/gpu/drm/msm/msm_mmu.h

+2 −2
Original line number Diff line number Diff line
@@ -12,8 +12,8 @@ 
struct msm_mmu_funcs {

	void (*detach)(struct msm_mmu *mmu);

	int (*map)(struct msm_mmu *mmu, uint64_t iova, struct sg_table *sgt,

			unsigned len, int prot);

	int (*unmap)(struct msm_mmu *mmu, uint64_t iova, unsigned len);

			size_t len, int prot);

	int (*unmap)(struct msm_mmu *mmu, uint64_t iova, size_t len);

	void (*destroy)(struct msm_mmu *mmu);

};

CRA Git | Maintained and supported by SUSTech CRA and CCSE