[PATCH 4.19 120/196] remoteproc: imx_rproc: ignore mapping vdev regions

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4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Peng Fan <peng.fan@xxxxxxx>

[ Upstream commit 8f2d8961640f0346cbe892273c3260a0d30c1931 ]

vdev regions are vdev0vring0, vdev0vring1, vdevbuffer and similar.
They are handled by remoteproc common code, no need to map in imx
rproc driver.

Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Link: https://lore.kernel.org/r/1615029865-23312-10-git-send-email-peng.fan@xxxxxxxxxxx
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Stable-dep-of: 2fa26ca8b786 ("remoteproc: imx_rproc: Skip over memory region when node value is NULL")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/remoteproc/imx_rproc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 54c07fd3f2042..99d1a90ea084a 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -289,6 +289,9 @@ static int imx_rproc_addr_init(struct imx_rproc *priv,
 		struct resource res;
 
 		node = of_parse_phandle(np, "memory-region", a);
+		/* Not map vdev region */
+		if (!strcmp(node->name, "vdev"))
+			continue;
 		err = of_address_to_resource(node, 0, &res);
 		if (err) {
 			dev_err(dev, "unable to resolve memory region\n");
-- 
2.43.0







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