gpu: nvgpu: use u64 instead of dma_addr_t

The patch modifies a common dma api
(nvgpu_dma_alloc_flags_vid_at) to use u64 argument
(which is OS agnostic) instead of dma_addr_t as
the argument type which is Linux specific.

Change-Id: I74a694b08364b4d9e2826ffaf4620b113604d1cf
Signed-off-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1567709
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2 files changed, 3 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/dma.c b/drivers/gpu/nvgpu/common/linux/dma.c
index 46b49930..67b58016 100644
--- a/drivers/gpu/nvgpu/common/linux/dma.c
+++ b/drivers/gpu/nvgpu/common/linux/dma.c
@@ -130,7 +130,7 @@ static void __dma_dbg(struct gk20a *g, size_t size, unsigned long flags,
         __dma_dbg_done(g, size, type, "free")
 
 #if defined(CONFIG_GK20A_VIDMEM)
-static u64 __nvgpu_dma_alloc(struct nvgpu_allocator *allocator, dma_addr_t at,
+static u64 __nvgpu_dma_alloc(struct nvgpu_allocator *allocator, u64 at,
                                 size_t size)
 {
         u64 addr = 0;
@@ -290,7 +290,7 @@ int nvgpu_dma_alloc_flags_vid(struct gk20a *g, unsigned long flags,
 }
 
 int nvgpu_dma_alloc_flags_vid_at(struct gk20a *g, unsigned long flags,
-                size_t size, struct nvgpu_mem *mem, dma_addr_t at)
+                size_t size, struct nvgpu_mem *mem, u64 at)
 {
 #if defined(CONFIG_GK20A_VIDMEM)
         u64 addr;
diff --git a/drivers/gpu/nvgpu/include/nvgpu/dma.h b/drivers/gpu/nvgpu/include/nvgpu/dma.h
index 22b40ac9..50681f8d 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/dma.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/dma.h
@@ -172,7 +172,7 @@ int nvgpu_dma_alloc_flags_vid(struct gk20a *g, unsigned long flags,
  *   %NVGPU_DMA_NO_KERNEL_MAPPING
  */
 int nvgpu_dma_alloc_flags_vid_at(struct gk20a *g, unsigned long flags,
-                size_t size, struct nvgpu_mem *mem, dma_addr_t at);
+                size_t size, struct nvgpu_mem *mem, u64 at);
 
 /**
  * nvgpu_dma_free - Free a DMA allocation