diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/can/pch_can.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c index 8efbe359ba2a..dcd8f0032fd1 100644 --- a/drivers/net/can/pch_can.c +++ b/drivers/net/can/pch_can.c @@ -746,19 +746,16 @@ static int pch_can_poll(struct napi_struct *napi, int quota) if (int_stat == PCH_STATUS_INT) { reg_stat = ioread32(&priv->regs->stat); - if (reg_stat & (PCH_BUS_OFF | PCH_LEC_ALL)) { - if (reg_stat & PCH_BUS_OFF || - (reg_stat & PCH_LEC_ALL) != PCH_LEC_ALL) { - pch_can_error(ndev, reg_stat); - quota--; - } - } - if (reg_stat & PCH_TX_OK) - pch_can_bit_clear(&priv->regs->stat, PCH_TX_OK); + if ((reg_stat & (PCH_BUS_OFF | PCH_LEC_ALL)) && + ((reg_stat & PCH_LEC_ALL) != PCH_LEC_ALL)) { + pch_can_error(ndev, reg_stat); + quota--; + } - if (reg_stat & PCH_RX_OK) - pch_can_bit_clear(&priv->regs->stat, PCH_RX_OK); + if (reg_stat & (PCH_TX_OK | PCH_RX_OK)) + pch_can_bit_clear(&priv->regs->stat, + reg_stat & (PCH_TX_OK | PCH_RX_OK)); int_stat = pch_can_int_pending(priv); } @@ -900,14 +897,13 @@ static netdev_tx_t pch_xmit(struct sk_buff *skb, struct net_device *ndev) if (can_dropped_invalid_skb(ndev, skb)) return NETDEV_TX_OK; + tx_obj_no = priv->tx_obj; if (priv->tx_obj == PCH_TX_OBJ_END) { if (ioread32(&priv->regs->treq2) & PCH_TREQ2_TX_MASK) netif_stop_queue(ndev); - tx_obj_no = priv->tx_obj; priv->tx_obj = PCH_TX_OBJ_START; } else { - tx_obj_no = priv->tx_obj; priv->tx_obj++; } @@ -926,9 +922,7 @@ static netdev_tx_t pch_xmit(struct sk_buff *skb, struct net_device *ndev) id2 |= PCH_ID_MSGVAL; /* If remote frame has to be transmitted.. */ - if (cf->can_id & CAN_RTR_FLAG) - id2 &= ~PCH_ID2_DIR; - else + if (!(cf->can_id & CAN_RTR_FLAG)) id2 |= PCH_ID2_DIR; iowrite32(id2, &priv->regs->ifregs[1].id2); |