summaryrefslogtreecommitdiffstats
path: root/drivers/net/can/ti_hecc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/can/ti_hecc.c')
-rw-r--r--drivers/net/can/ti_hecc.c32
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index 5a2e1e3588a..4accd7ec695 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -306,7 +306,7 @@ static int ti_hecc_set_btc(struct ti_hecc_priv *priv)
if (bit_timing->brp > 4)
can_btc |= HECC_CANBTC_SAM;
else
- dev_warn(priv->ndev->dev.parent, "WARN: Triple" \
+ netdev_warn(priv->ndev, "WARN: Triple"
"sampling not set due to h/w limitations");
}
can_btc |= ((bit_timing->sjw - 1) & 0x3) << 8;
@@ -315,7 +315,7 @@ static int ti_hecc_set_btc(struct ti_hecc_priv *priv)
/* ERM being set to 0 by default meaning resync at falling edge */
hecc_write(priv, HECC_CANBTC, can_btc);
- dev_info(priv->ndev->dev.parent, "setting CANBTC=%#x\n", can_btc);
+ netdev_info(priv->ndev, "setting CANBTC=%#x\n", can_btc);
return 0;
}
@@ -332,7 +332,7 @@ static void ti_hecc_reset(struct net_device *ndev)
u32 cnt;
struct ti_hecc_priv *priv = netdev_priv(ndev);
- dev_dbg(ndev->dev.parent, "resetting hecc ...\n");
+ netdev_dbg(ndev, "resetting hecc ...\n");
hecc_set_bit(priv, HECC_CANMC, HECC_CANMC_SRES);
/* Set change control request and wait till enabled */
@@ -458,6 +458,17 @@ static int ti_hecc_do_set_mode(struct net_device *ndev, enum can_mode mode)
return ret;
}
+static int ti_hecc_get_berr_counter(const struct net_device *ndev,
+ struct can_berr_counter *bec)
+{
+ struct ti_hecc_priv *priv = netdev_priv(ndev);
+
+ bec->txerr = hecc_read(priv, HECC_CANTEC);
+ bec->rxerr = hecc_read(priv, HECC_CANREC);
+
+ return 0;
+}
+
/*
* ti_hecc_xmit: HECC Transmit
*
@@ -496,7 +507,7 @@ static netdev_tx_t ti_hecc_xmit(struct sk_buff *skb, struct net_device *ndev)
if (unlikely(hecc_read(priv, HECC_CANME) & mbx_mask)) {
spin_unlock_irqrestore(&priv->mbx_lock, flags);
netif_stop_queue(ndev);
- dev_err(priv->ndev->dev.parent,
+ netdev_err(priv->ndev,
"BUG: TX mbx not ready tx_head=%08X, tx_tail=%08X\n",
priv->tx_head, priv->tx_tail);
return NETDEV_TX_BUSY;
@@ -550,7 +561,7 @@ static int ti_hecc_rx_pkt(struct ti_hecc_priv *priv, int mbxno)
skb = alloc_can_skb(priv->ndev, &cf);
if (!skb) {
if (printk_ratelimit())
- dev_err(priv->ndev->dev.parent,
+ netdev_err(priv->ndev,
"ti_hecc_rx_pkt: alloc_can_skb() failed\n");
return -ENOMEM;
}
@@ -668,7 +679,7 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
skb = alloc_can_err_skb(ndev, &cf);
if (!skb) {
if (printk_ratelimit())
- dev_err(priv->ndev->dev.parent,
+ netdev_err(priv->ndev,
"ti_hecc_error: alloc_can_err_skb() failed\n");
return -ENOMEM;
}
@@ -684,7 +695,7 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
cf->data[1] |= CAN_ERR_CRTL_RX_WARNING;
}
hecc_set_bit(priv, HECC_CANES, HECC_CANES_EW);
- dev_dbg(priv->ndev->dev.parent, "Error Warning interrupt\n");
+ netdev_dbg(priv->ndev, "Error Warning interrupt\n");
hecc_clear_bit(priv, HECC_CANMC, HECC_CANMC_CCR);
}
@@ -699,7 +710,7 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
cf->data[1] |= CAN_ERR_CRTL_RX_PASSIVE;
}
hecc_set_bit(priv, HECC_CANES, HECC_CANES_EP);
- dev_dbg(priv->ndev->dev.parent, "Error passive interrupt\n");
+ netdev_dbg(priv->ndev, "Error passive interrupt\n");
hecc_clear_bit(priv, HECC_CANMC, HECC_CANMC_CCR);
}
@@ -825,7 +836,7 @@ static int ti_hecc_open(struct net_device *ndev)
err = request_irq(ndev->irq, ti_hecc_interrupt, IRQF_SHARED,
ndev->name, ndev);
if (err) {
- dev_err(ndev->dev.parent, "error requesting interrupt\n");
+ netdev_err(ndev, "error requesting interrupt\n");
return err;
}
@@ -834,7 +845,7 @@ static int ti_hecc_open(struct net_device *ndev)
/* Open common can device */
err = open_candev(ndev);
if (err) {
- dev_err(ndev->dev.parent, "open_candev() failed %d\n", err);
+ netdev_err(ndev, "open_candev() failed %d\n", err);
ti_hecc_transceiver_switch(priv, 0);
free_irq(ndev->irq, ndev);
return err;
@@ -923,6 +934,7 @@ static int ti_hecc_probe(struct platform_device *pdev)
priv->can.bittiming_const = &ti_hecc_bittiming_const;
priv->can.do_set_mode = ti_hecc_do_set_mode;
priv->can.do_get_state = ti_hecc_get_state;
+ priv->can.do_get_berr_counter = ti_hecc_get_berr_counter;
priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES;
spin_lock_init(&priv->mbx_lock);