tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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: Jordan Crouse <jcrouse@codeaurora.org>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
authored by
Jordan Crouse
and committed by
Rob Clark
fb212ad6
ccac7ce3
+6
-6
+2
-2
drivers/gpu/drm/msm/msm_gpummu.c
+2
-2
drivers/gpu/drm/msm/msm_gpummu.c
···
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}
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static int msm_gpummu_map(struct msm_mmu *mmu, uint64_t iova,
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-
struct sg_table *sgt, unsigned len, int prot)
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+
struct sg_table *sgt, size_t len, int prot)
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{
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struct msm_gpummu *gpummu = to_msm_gpummu(mmu);
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unsigned idx = (iova - GPUMMU_VA_START) / GPUMMU_PAGE_SIZE;
···
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return 0;
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}
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-
static int msm_gpummu_unmap(struct msm_mmu *mmu, uint64_t iova, unsigned len)
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+
static int msm_gpummu_unmap(struct msm_mmu *mmu, uint64_t iova, size_t len)
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{
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struct msm_gpummu *gpummu = to_msm_gpummu(mmu);
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unsigned idx = (iova - GPUMMU_VA_START) / GPUMMU_PAGE_SIZE;
+2
-2
drivers/gpu/drm/msm/msm_iommu.c
+2
-2
drivers/gpu/drm/msm/msm_iommu.c
···
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}
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static int msm_iommu_map(struct msm_mmu *mmu, uint64_t iova,
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struct sg_table *sgt, unsigned len, int prot)
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+
struct sg_table *sgt, size_t len, int prot)
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{
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struct msm_iommu *iommu = to_msm_iommu(mmu);
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size_t ret;
···
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return (ret == len) ? 0 : -EINVAL;
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}
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-
static int msm_iommu_unmap(struct msm_mmu *mmu, uint64_t iova, unsigned len)
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+
static int msm_iommu_unmap(struct msm_mmu *mmu, uint64_t iova, size_t len)
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{
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struct msm_iommu *iommu = to_msm_iommu(mmu);
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+2
-2
drivers/gpu/drm/msm/msm_mmu.h
+2
-2
drivers/gpu/drm/msm/msm_mmu.h
···
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struct msm_mmu_funcs {
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void (*detach)(struct msm_mmu *mmu);
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int (*map)(struct msm_mmu *mmu, uint64_t iova, struct sg_table *sgt,
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-
unsigned len, int prot);
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-
int (*unmap)(struct msm_mmu *mmu, uint64_t iova, unsigned len);
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+
size_t len, int prot);
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+
int (*unmap)(struct msm_mmu *mmu, uint64_t iova, size_t len);
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void (*destroy)(struct msm_mmu *mmu);
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};
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