linux-kernel - [PATCH V4] remoteproc: imx_rproc: Ignore create mem entry for resource table

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Date:   Fri, 15 Apr 2022 10:57:37 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     bjorn.andersson@...aro.org, mathieu.poirier@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com,
        linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Peng Fan <peng.fan@....com>
Subject: [PATCH V4] remoteproc: imx_rproc: Ignore create mem entry for resource table

From: Peng Fan <peng.fan@....com>

Resource table is used by Linux to get information published by
remote processor. It should be not be used for memory allocation, so
not create rproc mem entry.

Fixes: b29b4249f8f0 ("remoteproc: imx_rproc: add i.MX specific parse fw hook")
Signed-off-by: Peng Fan <peng.fan@....com>
---

V4:
 Typo fix
 use strcmp, not strncmp

V3:
 Update commit log
 Update Fixes tag

V2:
 Add Fixes tag
 Separate the patch from https://patchwork.kernel.org/project/linux-remoteproc/patch/20220111033333.403448-7-peng.fan@oss.nxp.com/
 Address typo


 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 7a096f1891e6..91eb037089ef 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -423,6 +423,9 @@ static int imx_rproc_prepare(struct rproc *rproc)
 		if (!strcmp(it.node->name, "vdev0buffer"))
 			continue;
 
+		if (!strcmp(it.node->name, "rsc-table"))
+			continue;
+
 		rmem = of_reserved_mem_lookup(it.node);
 		if (!rmem) {
 			dev_err(priv->dev, "unable to acquire memory-region\n");
-- 
2.25.1