[v1,3/3] drm/msm: Update the MMU helper function APIs

Commit Message

Jordan Crouse May 22, 2020, 10:03 p.m. UTC

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 <[e-mail]>
---

 drivers/gpu/drm/msm/msm_gpummu.c | 4 ++--
 drivers/gpu/drm/msm/msm_iommu.c  | 4 ++--
 drivers/gpu/drm/msm/msm_mmu.h    | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

Patch

diff --git a/drivers/gpu/drm/msm/msm_gpummu.c b/drivers/gpu/drm/msm/msm_gpummu.c
index 0ad0f848560a..310a31b05faa 100644
--- a/drivers/gpu/drm/msm/msm_gpummu.c
+++ b/drivers/gpu/drm/msm/msm_gpummu.c
@@ -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;
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c
index 627e1187d8aa..f8d5a294e1be 100644
--- a/drivers/gpu/drm/msm/msm_iommu.c
+++ b/drivers/gpu/drm/msm/msm_iommu.c
@@ -38,7 +38,7 @@  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;
@@ -49,7 +49,7 @@  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);
 
diff --git a/drivers/gpu/drm/msm/msm_mmu.h b/drivers/gpu/drm/msm/msm_mmu.h
index bae9e8e67ec1..3a534ee59bf6 100644
--- a/drivers/gpu/drm/msm/msm_mmu.h
+++ b/drivers/gpu/drm/msm/msm_mmu.h
@@ -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);
 };