From: Biju Das Date: Mon, 8 Sep 2025 12:09:30 +0000 (+0100) Subject: can: rcar_canfd: Update bit rate constants for RZ/G3E and R-Car Gen4 X-Git-Tag: v6.18-rc1~132^2~54^2~5^2~3 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=100fafc3e46138cb5a6526ddc03dcede8b020c8c;p=thirdparty%2Flinux.git can: rcar_canfd: Update bit rate constants for RZ/G3E and R-Car Gen4 The calculation formula for nominal bit rate of classical CAN is the same as that of nominal bit rate of CANFD on the RZ/G3E and R-Car Gen4 SoCs compared to other SoCs. Update nominal bit rate constants. Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven Link: https://patch.msgid.link/20250908120940.147196-2-biju.das.jz@bp.renesas.com [mkl: slightly improve wording of commit message] Signed-off-by: Marc Kleine-Budde --- diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index b3c8c592fb0e0..4185fc5b4a706 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -1912,7 +1912,10 @@ static int rcar_canfd_channel_probe(struct rcar_canfd_global *gpriv, u32 ch, priv->can.fd.do_get_auto_tdcv = rcar_canfd_get_auto_tdcv; } else { /* Controller starts in Classical CAN only mode */ - priv->can.bittiming_const = &rcar_canfd_bittiming_const; + if (gpriv->info->shared_can_regs) + priv->can.bittiming_const = gpriv->info->nom_bittiming; + else + priv->can.bittiming_const = &rcar_canfd_bittiming_const; priv->can.ctrlmode_supported = CAN_CTRLMODE_BERR_REPORTING; }