Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a7361691 authored by Anmolpreet Kaur's avatar Anmolpreet Kaur
Browse files

Move from dma_buf_kmap to dma_buf_vmap for ION 



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: default avatarAnmolpreet Kaur <anmolpre@codeaurora.org>
parent 2708cda7

drivers/misc/qseecom.c

+4 −4
Original line number Diff line number Diff line
@@ -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);

}