[PATCH 2/2] misc: fastrpc: Use devm_of_reserved_mem_device_init()

From: srini

Date: Fri Oct 02 2026 - 06:21:05 EST


From: Mukesh Ojha <mukesh.ojha@xxxxxxxxxxxxxxxx>

Use the devres-managed devm_of_reserved_mem_device_init() to ensure
the reserved memory region is released on device removal, fixing a
missing of_reserved_mem_device_release() in fastrpc_rpmsg_remove().

Reviewed-by: Ekansh Gupta <ekansh.gupta@xxxxxxxxxxxxxxxx>
Signed-off-by: Mukesh Ojha <mukesh.ojha@xxxxxxxxxxxxxxxx>
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>
Signed-off-by: Srinivas Kandagatla <srini@xxxxxxxxxx>
---
drivers/misc/fastrpc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index f40356c95051..0a3b6321ad0d 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -2562,7 +2562,7 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
return -EINVAL;
}

- if (of_reserved_mem_device_init_by_idx(rdev, rdev->of_node, 0))
+ if (devm_of_reserved_mem_device_init(rdev))
dev_dbg(rdev, "no reserved DMA memory for FASTRPC\n");

vmcount = of_property_read_variable_u32_array(rdev->of_node,
--
2.53.0