diff options
| author | Mark Brown <broonie@linaro.org> | 2014-01-17 15:52:17 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-01-17 15:52:17 +0000 |
| commit | 81e53d0470878165a300d75ac06a5bc5eee543a2 (patch) | |
| tree | 5fdaacfb350c5a290109f98ab29e9858f1f11469 /drivers/net/can/c_can/c_can.c | |
| parent | 15e0964dc2a097de3cf518badf2237b6b6adf7fe (diff) | |
| parent | fcb4ed749c776a2ae89ca40343cbccb6f8981e60 (diff) | |
Merge branches 'topic/sc18is602' and 'topic/rspi' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-bpw
Diffstat (limited to 'drivers/net/can/c_can/c_can.c')
| -rw-r--r-- | drivers/net/can/c_can/c_can.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index e3fc07cf2f6..77061eebb03 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -712,22 +712,31 @@ static int c_can_set_mode(struct net_device *dev, enum can_mode mode) return 0; } -static int c_can_get_berr_counter(const struct net_device *dev, - struct can_berr_counter *bec) +static int __c_can_get_berr_counter(const struct net_device *dev, + struct can_berr_counter *bec) { unsigned int reg_err_counter; struct c_can_priv *priv = netdev_priv(dev); - c_can_pm_runtime_get_sync(priv); - reg_err_counter = priv->read_reg(priv, C_CAN_ERR_CNT_REG); bec->rxerr = (reg_err_counter & ERR_CNT_REC_MASK) >> ERR_CNT_REC_SHIFT; bec->txerr = reg_err_counter & ERR_CNT_TEC_MASK; + return 0; +} + +static int c_can_get_berr_counter(const struct net_device *dev, + struct can_berr_counter *bec) +{ + struct c_can_priv *priv = netdev_priv(dev); + int err; + + c_can_pm_runtime_get_sync(priv); + err = __c_can_get_berr_counter(dev, bec); c_can_pm_runtime_put_sync(priv); - return 0; + return err; } /* @@ -754,6 +763,7 @@ static void c_can_do_tx(struct net_device *dev) if (!(val & (1 << (msg_obj_no - 1)))) { can_get_echo_skb(dev, msg_obj_no - C_CAN_MSG_OBJ_TX_FIRST); + c_can_object_get(dev, 0, msg_obj_no, IF_COMM_ALL); stats->tx_bytes += priv->read_reg(priv, C_CAN_IFACE(MSGCTRL_REG, 0)) & IF_MCONT_DLC_MASK; @@ -872,7 +882,7 @@ static int c_can_handle_state_change(struct net_device *dev, if (unlikely(!skb)) return 0; - c_can_get_berr_counter(dev, &bec); + __c_can_get_berr_counter(dev, &bec); reg_err_counter = priv->read_reg(priv, C_CAN_ERR_CNT_REG); rx_err_passive = (reg_err_counter & ERR_CNT_RP_MASK) >> ERR_CNT_RP_SHIFT; |