[PATCH 40/42] misc: fastrpc: Use devm_of_reserved_mem_device_init()

[Ekansh Gupta]

On 06-07-2026 01:10, Mukesh Ojha wrote:
> 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().
nit: I see this change is also fixing fastrpc_rpmsg_probe() early
failure leaks as well as -EPROBE_DEFER retry paths which could be added
to the commit message.

Reviewed-by: Ekansh Gupta <ekansh.gupta at oss.qualcomm.com>
> 
> Signed-off-by: Mukesh Ojha <mukesh.ojha at oss.qualcomm.com>
> ---
>  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 d86e79134c68..c4e05b0db527 100644
> --- a/drivers/misc/fastrpc.c
> +++ b/drivers/misc/fastrpc.c
> @@ -2396,7 +2396,7 @@ 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_info(rdev, "no reserved DMA memory for FASTRPC\n");
>  
>  	vmcount = of_property_read_variable_u32_array(rdev->of_node,