diff options
| author |   Duy Nguyen <duy.nguyen.rh@renesas.com> | 2022-07-04 16:46:11 +0900 |
|---|---|---|
| committer |   Marc Kleine-Budde <mkl@pengutronix.de> | 2022-07-04 11:42:59 +0200 |
| commit | 374e11f1bde91545674233459e5a0416ba842b69 (patch) | |
| tree | 00a5ec48da2d9e8fc637d836ac114f4735777690 /drivers/net | |
| parent | Revert "can: xilinx_can: Limit CANFD brp to 2" (diff) | |
| download | linux-dev-374e11f1bde91545674233459e5a0416ba842b69.tar.xz linux-dev-374e11f1bde91545674233459e5a0416ba842b69.zip | |
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: 45721c406dcf ("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>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/can/rcar/rcar_canfd.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index 40a11445d021..ba42cef10a53 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -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 { |