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Commit 6a7bff74 authored by Jigarkumar Zala's avatar Jigarkumar Zala Committed by Gerrit - the friendly Code Review server
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msm: camera: Fix direction in dma buf ops 



The current direction passed to begin/end_cpu_access
dma_buf ops is incorrect. This change will fix the
direction so that the correct cache maintenance can be
performed by dma_buf ops.

Change-Id: Iff2ad22916a3ede1a0eed410955a2e893019d51e
Signed-off-by: default avatarJigarkumar Zala <jzala@codeaurora.org>
parent ab616014

drivers/media/platform/msm/camera/cam_req_mgr/cam_mem_mgr.c

+4 −3
Original line number Diff line number Diff line
@@ -318,10 +318,10 @@ int cam_mem_mgr_cache_ops(struct cam_mem_cache_ops_cmd *cmd) 
	if (dmabuf_flag & ION_FLAG_CACHED) {

		switch (cmd->mem_cache_ops) {

		case CAM_MEM_CLEAN_CACHE:

			cache_dir = DMA_FROM_DEVICE;

			cache_dir = DMA_TO_DEVICE;

			break;

		case CAM_MEM_INV_CACHE:

			cache_dir = DMA_TO_DEVICE;

			cache_dir = DMA_FROM_DEVICE;

			break;

		case CAM_MEM_CLEAN_INV_CACHE:

			cache_dir = DMA_BIDIRECTIONAL;
@@ -338,7 +338,8 @@ int cam_mem_mgr_cache_ops(struct cam_mem_cache_ops_cmd *cmd) 
	}



	rc = dma_buf_begin_cpu_access(tbl.bufq[idx].dma_buf,

		cache_dir);

		(cmd->mem_cache_ops == CAM_MEM_CLEAN_INV_CACHE) ?

		DMA_BIDIRECTIONAL : DMA_TO_DEVICE);

	if (rc) {

		CAM_ERR(CAM_MEM, "dma begin access failed rc=%d", rc);

		goto end;