[PATCH] of: reserved_mem: restore old behavior when no region is defined

[Liviu Dudau]

On Wed, Jun 08, 2016 at 08:51:53AM +0200, Marek Szyprowski wrote:
> Change return value back to -ENODEV when no region is defined for given
> device. This restores old behavior of this function, as some drivers rely
> on such error code.
> 
> Reported-by: Liviu Dudau <liviu.dudau at arm.com>
> Fixes: 59ce4039727ef40 ("of: reserved_mem: add support for using more than
>        one region for given device")
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>

Reviewed-by: Liviu Dudau <Liviu.Dudau at arm.com>

> ---
>  drivers/of/of_reserved_mem.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
> index 3cf129f..06af99f 100644
> --- a/drivers/of/of_reserved_mem.c
> +++ b/drivers/of/of_reserved_mem.c
> @@ -334,7 +334,7 @@ int of_reserved_mem_device_init_by_idx(struct device *dev,
>  
>  	target = of_parse_phandle(np, "memory-region", idx);
>  	if (!target)
> -		return -EINVAL;
> +		return -ENODEV;
>  
>  	rmem = __find_rmem(target);
>  	of_node_put(target);
> -- 
> 1.9.2
> 
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> dri-devel at lists.freedesktop.org
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-- 
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