[PATCH] remoteproc: mediatek: Don't attempt to remap l1tcm memory if missing

[Tzung-Bi Shih]

On Thu, Jun 27, 2024 at 05:20:55PM -0400, Nícolas F. R. A. Prado wrote:
> The current code doesn't check whether platform_get_resource_byname()
> succeeded to get the l1tcm memory, which is optional, before attempting
> to map it. This results in the following error message when it is
> missing:
> 
>   mtk-scp 10500000.scp: error -EINVAL: invalid resource (null)
> 
> Add a check so that the remapping is only attempted if the memory region
> exists. This also allows to simplify the logic handling failure to
> remap, since a failure then is always a failure.
> 
> Fixes: ca23ecfdbd44 ("remoteproc/mediatek: support L1TCM")
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado at collabora.com>

Reviewed-by: Tzung-Bi Shih <tzungbi at kernel.org>