Hi Biju,
On Thu, Oct 27, 2022 at 10:22 AM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
> R-Car has a clock divider for CAN FD clock within the IP, whereas
> it is not available on RZ/G2L.
>
> Add postdiv variable to struct rcar_canfd_hw_info to take care of this
> difference.
>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> ---
> v2->v3:
> * Replaced data type of postdiv from unsigned int->u8 to save memory.
Thanks for the update!
> --- a/drivers/net/can/rcar/rcar_canfd.c
> +++ b/drivers/net/can/rcar/rcar_canfd.c
> @@ -1943,9 +1947,9 @@ static int rcar_canfd_probe(struct platform_device *pdev)
> }
> fcan_freq = clk_get_rate(gpriv->can_clk);
>
> - if (gpriv->fcan == RCANFD_CANFDCLK && info->chip_id != RENESAS_RZG2L)
> + if (gpriv->fcan == RCANFD_CANFDCLK)
> /* CANFD clock is further divided by (1/2) within the IP */
may be further divided?
> - fcan_freq /= 2;
> + fcan_freq /= info->postdiv;
>
> addr = devm_platform_ioremap_resource(pdev, 0);
> if (IS_ERR(addr)) {
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
