Re: [PATCH v3 resend 2/7] nvmem: Add R-Car E-FUSE driver

[Arnd Bergmann]

On Thu, Oct 3, 2024, at 14:04, Geert Uytterhoeven wrote:
> R-Car Gen4 SoCs contain fuses indicating hardware support or hardware
> (e.g. tuning) parameters.  Add a driver to access the state of the
> fuses.  This supports two types of hardware fuse providers:
>   1. E-FUSE non-volatile memory accessible through the Pin Function
>      Controller on R-Car V3U and S4-8,
>   2. E-FUSE non-volatile memory accessible through OTP_MEM on R-Car V4H
>      and V4M.
>
> The state of the cells can be read using the NVMEM framework, either
> from kernel space (e.g. by the Renesas UFSHCD driver), or from
> userspace.
>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>

Acked-by: Arnd Bergmann <arnd@xxxxxxxx>