diff options
Diffstat (limited to 'drivers/net/can/mscan')
| -rw-r--r-- | drivers/net/can/mscan/mscan.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c index 1c82dd8b896e..d11b0832ccd6 100644 --- a/drivers/net/can/mscan/mscan.c +++ b/drivers/net/can/mscan/mscan.c @@ -560,6 +560,18 @@ static int mscan_do_set_bittiming(struct net_device *dev) return 0; } +static int mscan_get_berr_counter(const struct net_device *dev, + struct can_berr_counter *bec) +{ + struct mscan_priv *priv = netdev_priv(dev); + struct mscan_regs __iomem *regs = priv->reg_base; + + bec->txerr = in_8(®s->cantxerr); + bec->rxerr = in_8(®s->canrxerr); + + return 0; +} + static int mscan_open(struct net_device *dev) { int ret; @@ -639,8 +651,10 @@ int register_mscandev(struct net_device *dev, int mscan_clksrc) else ctl1 &= ~MSCAN_CLKSRC; - if (priv->type == MSCAN_TYPE_MPC5121) + if (priv->type == MSCAN_TYPE_MPC5121) { + priv->can.do_get_berr_counter = mscan_get_berr_counter; ctl1 |= MSCAN_BORM; /* bus-off recovery upon request */ + } ctl1 |= MSCAN_CANE; out_8(®s->canctl1, ctl1); |