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path: root/drivers/net/can/pch_can.c
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Diffstat (limited to 'drivers/net/can/pch_can.c')
-rw-r--r--drivers/net/can/pch_can.c35
1 files changed, 15 insertions, 20 deletions
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index 92a54a5fd4c5..888bef03de09 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -561,9 +561,6 @@ static void pch_can_error(struct net_device *ndev, u32 status)
priv->can.state = state;
netif_receive_skb(skb);
-
- stats->rx_packets++;
- stats->rx_bytes += cf->len;
}
static irqreturn_t pch_can_interrupt(int irq, void *dev_id)
@@ -680,23 +677,24 @@ static int pch_can_rx_normal(struct net_device *ndev, u32 obj_num, int quota)
cf->can_id = id;
}
- if (id2 & PCH_ID2_DIR)
- cf->can_id |= CAN_RTR_FLAG;
-
cf->len = can_cc_dlc2len((ioread32(&priv->regs->
ifregs[0].mcont)) & 0xF);
- for (i = 0; i < cf->len; i += 2) {
- data_reg = ioread16(&priv->regs->ifregs[0].data[i / 2]);
- cf->data[i] = data_reg;
- cf->data[i + 1] = data_reg >> 8;
- }
+ if (id2 & PCH_ID2_DIR) {
+ cf->can_id |= CAN_RTR_FLAG;
+ } else {
+ for (i = 0; i < cf->len; i += 2) {
+ data_reg = ioread16(&priv->regs->ifregs[0].data[i / 2]);
+ cf->data[i] = data_reg;
+ cf->data[i + 1] = data_reg >> 8;
+ }
- netif_receive_skb(skb);
- rcv_pkts++;
+ stats->rx_bytes += cf->len;
+ }
stats->rx_packets++;
+ rcv_pkts++;
quota--;
- stats->rx_bytes += cf->len;
+ netif_receive_skb(skb);
pch_fifo_thresh(priv, obj_num);
obj_num++;
@@ -709,16 +707,13 @@ static void pch_can_tx_complete(struct net_device *ndev, u32 int_stat)
{
struct pch_can_priv *priv = netdev_priv(ndev);
struct net_device_stats *stats = &(priv->ndev->stats);
- u32 dlc;
- can_get_echo_skb(ndev, int_stat - PCH_RX_OBJ_END - 1, NULL);
+ stats->tx_bytes += can_get_echo_skb(ndev, int_stat - PCH_RX_OBJ_END - 1,
+ NULL);
+ stats->tx_packets++;
iowrite32(PCH_CMASK_RX_TX_GET | PCH_CMASK_CLRINTPND,
&priv->regs->ifregs[1].cmask);
pch_can_rw_msg_obj(&priv->regs->ifregs[1].creq, int_stat);
- dlc = can_cc_dlc2len(ioread32(&priv->regs->ifregs[1].mcont) &
- PCH_IF_MCONT_DLC);
- stats->tx_bytes += dlc;
- stats->tx_packets++;
if (int_stat == PCH_TX_OBJ_END)
netif_wake_queue(ndev);
}