linux-kernel - [PATCH 5.14 824/849] remoteproc: imx_rproc: Fix ignoring mapping vdev regions

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Message-Id: <20211115165448.111503453@linuxfoundation.org>
Date:   Mon, 15 Nov 2021 18:05:07 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dong Aisheng <aisheng.dong@....com>,
        Peng Fan <peng.fan@....com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Subject: [PATCH 5.14 824/849] remoteproc: imx_rproc: Fix ignoring mapping vdev regions

From: Dong Aisheng <aisheng.dong@....com>

commit afe670e23af91d8a74a8d7049f6e0984bbf6ea11 upstream.

vdev regions are typically named vdev0buffer, vdev0ring0, vdev0ring1 and
etc. Change to strncmp to cover them all.

Fixes: 8f2d8961640f ("remoteproc: imx_rproc: ignore mapping vdev regions")
Reviewed-and-tested-by: Peng Fan <peng.fan@....com>
Signed-off-by: Dong Aisheng <aisheng.dong@....com>
Signed-off-by: Peng Fan <peng.fan@....com>
Cc: stable <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/20210910090621.3073540-5-peng.fan@oss.nxp.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/remoteproc/imx_rproc.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -582,8 +582,8 @@ static int imx_rproc_addr_init(struct im
 		struct resource res;
 
 		node = of_parse_phandle(np, "memory-region", a);
-		/* Not map vdev region */
-		if (!strcmp(node->name, "vdev"))
+		/* Not map vdevbuffer, vdevring region */
+		if (!strncmp(node->name, "vdev", strlen("vdev")))
 			continue;
 		err = of_address_to_resource(node, 0, &res);
 		if (err) {