[PATCH] of: reserved_mem: Add missing IORESOURCE_MEM flag on resources

From: Rob Herring (Arm)
Date: Wed Aug 20 2025 - 15:29:19 EST


Commit f4fcfdda2fd8 ('of: reserved_mem: Add functions to parse
"memory-region"') failed to set IORESOURCE_MEM flag on the resources.
The result is functions such as devm_ioremap_resource_wc() will fail.
Add the missing flag.

Fixes: f4fcfdda2fd8 ('of: reserved_mem: Add functions to parse "memory-region"')
Reported-by: Iuliana Prodan <iuliana.prodan@xxxxxxx>
Reported-by: Daniel Baluta <daniel.baluta@xxxxxxxxx>
Signed-off-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
---
drivers/of/of_reserved_mem.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 77016c0cc296..d3b7c4ae429c 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -771,6 +771,7 @@ int of_reserved_mem_region_to_resource(const struct device_node *np,
return -EINVAL;

resource_set_range(res, rmem->base, rmem->size);
+ res->flags = IORESOURCE_MEM;
res->name = rmem->name;
return 0;
}
--
2.50.1