[PATCH] nvmem: mtk-efuse: Only register socinfo device if needed cells are there

[Nícolas F. R. A. Prado]

On Mon, Jul 08, 2024 at 03:35:42PM -0400, Nícolas F. R. A. Prado wrote:
> Not every efuse region has cells storing SoC information. Only register
> an socinfo device if the required cells are present.
> 
> This prevents the pointless process of creating an socinfo device,
> probing it with the socinfo driver only to ultimately error out like so
> 
>   mtk-socinfo mtk-socinfo.0.auto: error -ENOENT: Failed to get socinfo data
>   mtk-socinfo mtk-socinfo.0.auto: probe with driver mtk-socinfo failed with error -2
> 
> This issue is observed on the mt8183-kukui-jacuzzi-juniper-sku16
> platform, which has two efuse regions, but only one of them contains the
> SoC data.
> 
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado at collabora.com>

Sorry, there's an include missing in this patch. I'll send v2 with it added
right away.

Thanks,
Nícolas