Commit 374e11f1 authored by Duy Nguyen's avatar Duy Nguyen Committed by Marc Kleine-Budde
Browse files

can: rcar_canfd: Fix data transmission failed on R-Car V3U 

On R-Car V3U, this driver should use suitable register offset instead of
other SoCs' one. Otherwise, data transmission failed on R-Car V3U.

Fixes: 45721c40 ("can: rcar_canfd: Add support for r8a779a0 SoC")
Link: https://lore.kernel.org/all/20220704074611.957191-1-yoshihiro.shimoda.uh@renesas.com


Reviewed-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarDuy Nguyen <duy.nguyen.rh@renesas.com>
Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent c6da4590

drivers/net/can/rcar/rcar_canfd.c

+4 −1
Original line number Diff line number Diff line
@@ -1332,6 +1332,9 @@ static void rcar_canfd_set_bittiming(struct net_device *dev) 
		cfg = (RCANFD_DCFG_DTSEG1(gpriv, tseg1) | RCANFD_DCFG_DBRP(brp) |

		       RCANFD_DCFG_DSJW(sjw) | RCANFD_DCFG_DTSEG2(gpriv, tseg2));



		if (is_v3u(gpriv))

			rcar_canfd_write(priv->base, RCANFD_V3U_DCFG(ch), cfg);

		else

			rcar_canfd_write(priv->base, RCANFD_F_DCFG(ch), cfg);

		netdev_dbg(priv->ndev, "drate: brp %u, sjw %u, tseg1 %u, tseg2 %u\n",

			   brp, sjw, tseg1, tseg2);