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Commit 921d4989 authored by AnilKumar Chimata's avatar AnilKumar Chimata Committed by Gerrit - the friendly Code Review server
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qseecom: Update cache operations around scm_call() 



Do cache management before sending the buffers to TZ
for secure processing.

Change-Id: Id0cb0438e27f80f0e8f8675308466fcf8d729db7
Signed-off-by: default avatarAnilKumar Chimata <anilc@codeaurora.org>
parent 7d038aac

drivers/misc/qseecom.c

+3 −3
Original line number Diff line number Diff line
@@ -1125,9 +1125,9 @@ static int qseecom_dmabuf_cache_operations(struct dma_buf *dmabuf, 
		goto exit;



	switch (cache_op) {

	case QSEECOM_CACHE_CLEAN:

		dma_buf_begin_cpu_access(dmabuf, DMA_TO_DEVICE);

		dma_buf_end_cpu_access(dmabuf, DMA_TO_DEVICE);

	case QSEECOM_CACHE_CLEAN: /* Doing CLEAN and INVALIDATE */

		dma_buf_begin_cpu_access(dmabuf, DMA_BIDIRECTIONAL);

		dma_buf_end_cpu_access(dmabuf, DMA_BIDIRECTIONAL);

		break;

	case QSEECOM_CACHE_INVALIDATE:

		dma_buf_begin_cpu_access(dmabuf, DMA_TO_DEVICE);