On Mon, 17 Mar 2025 at 13:37, Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
> The shift values in RCANFD_GAFLCFG_SETRNC are dictated by the field width:
> - R-Car Gen4 packs 2 values in a 32-bit word, using a field width
> of 16 bits,
> - R-Car Gen3 packs up to 4 values in a 32-bit word, using a field
> width of 8 bits.
>
> By using a formula (32 - (n % rnc_per_reg + 1) * field_width) we can
> simplify the shift value in RCANFD_GAFLCFG_SETRNC macro.
>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
