[PATCH 5.15 011/247] remoteproc: imx_rproc: Ignore create mem entry for resource table

From: Greg Kroah-Hartman
Date: Mon Jun 13 2022 - 08:52:55 EST


From: Peng Fan <peng.fan@xxxxxxx>

[ Upstream commit 58b7c856519fe946620ee68dd0c37bd3c695484a ]

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@xxxxxxx>
Link: https://lore.kernel.org/r/20220415025737.1561976-1-peng.fan@xxxxxxxxxxx
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
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 05c39e1c56b4..59eae605ad59 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -447,6 +447,9 @@ 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");
--
2.35.1