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

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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: 45721c406d ("can: rcar_canfd: Add support for r8a779a0 SoC")
Link: https://lore.kernel.org/all/20220704074611.957191-1-yoshihiro.shimoda.uh@renesas.com
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Duy Nguyen 2022-07-04 16:46:11 +09:00 committed by Marc Kleine-Budde
parent c6da4590fe
commit 374e11f1bd
1 changed files with 4 additions and 1 deletions
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5
drivers/net/can/rcar/rcar_canfd.c
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@ -1332,7 +1332,10 @@ 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));
rcar_canfd_write(priv->base, RCANFD_F_DCFG(ch), cfg);
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);
} else {