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path: root/drivers/net/can/dev.c
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Diffstat (limited to 'drivers/net/can/dev.c')
-rw-r--r--drivers/net/can/dev.c33
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 120f1ab5a2ce..c5fe3a3db8c9 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -130,13 +130,13 @@ static int can_calc_bittiming(struct net_device *dev, struct can_bittiming *bt)
/* Error in one-tenth of a percent */
error = (best_error * 1000) / bt->bitrate;
if (error > CAN_CALC_MAX_ERROR) {
- dev_err(dev->dev.parent,
- "bitrate error %ld.%ld%% too high\n",
- error / 10, error % 10);
+ netdev_err(dev,
+ "bitrate error %ld.%ld%% too high\n",
+ error / 10, error % 10);
return -EDOM;
} else {
- dev_warn(dev->dev.parent, "bitrate error %ld.%ld%%\n",
- error / 10, error % 10);
+ netdev_warn(dev, "bitrate error %ld.%ld%%\n",
+ error / 10, error % 10);
}
}
@@ -172,7 +172,7 @@ static int can_calc_bittiming(struct net_device *dev, struct can_bittiming *bt)
#else /* !CONFIG_CAN_CALC_BITTIMING */
static int can_calc_bittiming(struct net_device *dev, struct can_bittiming *bt)
{
- dev_err(dev->dev.parent, "bit-timing calculation not available\n");
+ netdev_err(dev, "bit-timing calculation not available\n");
return -EINVAL;
}
#endif /* CONFIG_CAN_CALC_BITTIMING */
@@ -313,8 +313,7 @@ void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
priv->echo_skb[idx] = skb;
} else {
/* locking problem with netif_stop_queue() ?? */
- dev_err(dev->dev.parent, "%s: BUG! echo_skb is occupied!\n",
- __func__);
+ netdev_err(dev, "%s: BUG! echo_skb is occupied!\n", __func__);
kfree_skb(skb);
}
}
@@ -327,16 +326,24 @@ EXPORT_SYMBOL_GPL(can_put_echo_skb);
* is handled in the device driver. The driver must protect
* access to priv->echo_skb, if necessary.
*/
-void can_get_echo_skb(struct net_device *dev, unsigned int idx)
+unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx)
{
struct can_priv *priv = netdev_priv(dev);
BUG_ON(idx >= priv->echo_skb_max);
if (priv->echo_skb[idx]) {
+ struct sk_buff *skb = priv->echo_skb[idx];
+ struct can_frame *cf = (struct can_frame *)skb->data;
+ u8 dlc = cf->can_dlc;
+
netif_rx(priv->echo_skb[idx]);
priv->echo_skb[idx] = NULL;
+
+ return dlc;
}
+
+ return 0;
}
EXPORT_SYMBOL_GPL(can_get_echo_skb);
@@ -392,7 +399,7 @@ void can_restart(unsigned long data)
stats->rx_bytes += cf->can_dlc;
restart:
- dev_dbg(dev->dev.parent, "restarted\n");
+ netdev_dbg(dev, "restarted\n");
priv->can_stats.restarts++;
/* Now restart the device */
@@ -400,7 +407,7 @@ restart:
netif_carrier_on(dev);
if (err)
- dev_err(dev->dev.parent, "Error %d during restart", err);
+ netdev_err(dev, "Error %d during restart", err);
}
int can_restart_now(struct net_device *dev)
@@ -433,7 +440,7 @@ void can_bus_off(struct net_device *dev)
{
struct can_priv *priv = netdev_priv(dev);
- dev_dbg(dev->dev.parent, "bus-off\n");
+ netdev_dbg(dev, "bus-off\n");
netif_carrier_off(dev);
priv->can_stats.bus_off++;
@@ -545,7 +552,7 @@ int open_candev(struct net_device *dev)
struct can_priv *priv = netdev_priv(dev);
if (!priv->bittiming.tq && !priv->bittiming.bitrate) {
- dev_err(dev->dev.parent, "bit-timing not yet defined\n");
+ netdev_err(dev, "bit-timing not yet defined\n");
return -EINVAL;
}