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Move from dma_buf_kmap to dma_buf_vmap for ION

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Support for dma_buf_kmap() in ION on msm-5.4 will
be removed soon. It will support dma_buf_vmap() in
lieu of dma_buf_kmap(). Making changes for the same
in qseecom driver.

Change-Id: I4c2d6aaef58b41975279a01181c99cdeb18fb769
Signed-off-by: Anmolpreet Kaur <[email protected]>
This commit is contained in:
Anmolpreet Kaur 2020-07-08 14:41:33 +05:30
commit a736169167
1 changed files with 4 additions and 4 deletions
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8
drivers/misc/qseecom.c
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@ -1424,9 +1424,9 @@ static int qseecom_vaddr_map(int ion_fd,
*sb_length = new_sgt->sgl->length;
dma_buf_begin_cpu_access(new_dma_buf, DMA_BIDIRECTIONAL);
new_va = dma_buf_kmap(new_dma_buf, 0);
if (IS_ERR_OR_NULL(new_va)) {
pr_err("dma_buf_kmap failed\n");
new_va = dma_buf_vmap(new_dma_buf);
if (!new_va) {
pr_err("dma_buf_vmap failed\n");
ret = -ENOMEM;
goto err_unmap;
}
@ -1450,7 +1450,7 @@ static void qseecom_vaddr_unmap(void *vaddr, struct sg_table *sgt,
{
if (!dmabuf || !vaddr || !sgt || !attach)
return;
dma_buf_kunmap(dmabuf, 0, vaddr);
dma_buf_vunmap(dmabuf, vaddr);
dma_buf_end_cpu_access(dmabuf, DMA_BIDIRECTIONAL);
qseecom_dmabuf_unmap(sgt, attach, dmabuf);
}