diff options
author | Wolfgang Grandegger <wg@grandegger.com> | 2012-02-01 10:14:13 (GMT) |
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committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2012-02-03 00:21:26 (GMT) |
commit | 79d0d8a7d5edca459f544c2ad75088e99307795e (patch) | |
tree | 97126b05dd6906f42ce717ba97f5ac9361bfaecb /drivers/net/can/bfin_can.c | |
parent | 03c49daa8168b58e6256f0cad88771b9440ca5f7 (diff) | |
download | linux-fsl-qoriq-79d0d8a7d5edca459f544c2ad75088e99307795e.tar.xz |
can: bfin_can/ti_hecc/mscan: add missing do_get_berr_counter callback
Cc: Anant Gole <anantgole@ti.com>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/bfin_can.c')
-rw-r--r-- | drivers/net/can/bfin_can.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/can/bfin_can.c b/drivers/net/can/bfin_can.c index 349e0fa..e1e7f9d 100644 --- a/drivers/net/can/bfin_can.c +++ b/drivers/net/can/bfin_can.c @@ -224,6 +224,20 @@ static int bfin_can_set_mode(struct net_device *dev, enum can_mode mode) return 0; } +static int bfin_can_get_berr_counter(const struct net_device *dev, + struct can_berr_counter *bec) +{ + struct bfin_can_priv *priv = netdev_priv(dev); + struct bfin_can_regs __iomem *reg = priv->membase; + + u16 cec = bfin_read(®->cec); + + bec->txerr = cec >> 8; + bec->rxerr = cec; + + return 0; +} + static int bfin_can_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct bfin_can_priv *priv = netdev_priv(dev); @@ -509,6 +523,7 @@ struct net_device *alloc_bfin_candev(void) priv->can.bittiming_const = &bfin_can_bittiming_const; priv->can.do_set_bittiming = bfin_can_set_bittiming; priv->can.do_set_mode = bfin_can_set_mode; + priv->can.do_get_berr_counter = bfin_can_get_berr_counter; priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES; return dev; |