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

[Iuliana Prodan <iuliana.prodan@nxp.com>]

On 8/20/2025 10:28 PM, Rob Herring (Arm) wrote:
> 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@nxp.com>
> Reported-by: Daniel Baluta <daniel.baluta@gmail.com>
> Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

Tested-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>

Thanks,
Iulia

> ---
>   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;
>   }