> This happens because the checker still uses the old number of fields.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> To be folded into commit d5c9688095d29a6c ("pinctrl: renesas: Allow up
> to 10 fields for drive_regs") in renesas-pinctrl-for-v5.19.
> 
> Ideally, some iterator or index helper should be introduced.

What about a #define instead of a hard-coded value until then?