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path: root/drivers/net/can/usb/ems_usb.c
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Diffstat (limited to 'drivers/net/can/usb/ems_usb.c')
-rw-r--r--drivers/net/can/usb/ems_usb.c63
1 files changed, 27 insertions, 36 deletions
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 7dae64d44e8..7ae65fc8003 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -288,8 +288,7 @@ static void ems_usb_read_interrupt_callback(struct urb *urb)
return;
default:
- dev_info(netdev->dev.parent, "Rx interrupt aborted %d\n",
- urb->status);
+ netdev_info(netdev, "Rx interrupt aborted %d\n", urb->status);
break;
}
@@ -298,8 +297,7 @@ static void ems_usb_read_interrupt_callback(struct urb *urb)
if (err == -ENODEV)
netif_device_detach(netdev);
else if (err)
- dev_err(netdev->dev.parent,
- "failed resubmitting intr urb: %d\n", err);
+ netdev_err(netdev, "failed resubmitting intr urb: %d\n", err);
}
static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg)
@@ -431,8 +429,7 @@ static void ems_usb_read_bulk_callback(struct urb *urb)
return;
default:
- dev_info(netdev->dev.parent, "Rx URB aborted (%d)\n",
- urb->status);
+ netdev_info(netdev, "Rx URB aborted (%d)\n", urb->status);
goto resubmit_urb;
}
@@ -477,7 +474,7 @@ static void ems_usb_read_bulk_callback(struct urb *urb)
msg_count--;
if (start > urb->transfer_buffer_length) {
- dev_err(netdev->dev.parent, "format error\n");
+ netdev_err(netdev, "format error\n");
break;
}
}
@@ -493,8 +490,8 @@ resubmit_urb:
if (retval == -ENODEV)
netif_device_detach(netdev);
else if (retval)
- dev_err(netdev->dev.parent,
- "failed resubmitting read bulk urb: %d\n", retval);
+ netdev_err(netdev,
+ "failed resubmitting read bulk urb: %d\n", retval);
}
/*
@@ -521,8 +518,7 @@ static void ems_usb_write_bulk_callback(struct urb *urb)
return;
if (urb->status)
- dev_info(netdev->dev.parent, "Tx URB aborted (%d)\n",
- urb->status);
+ netdev_info(netdev, "Tx URB aborted (%d)\n", urb->status);
netdev->trans_start = jiffies;
@@ -605,18 +601,18 @@ static int ems_usb_start(struct ems_usb *dev)
/* create a URB, and a buffer for it */
urb = usb_alloc_urb(0, GFP_KERNEL);
if (!urb) {
- dev_err(netdev->dev.parent,
- "No memory left for URBs\n");
- return -ENOMEM;
+ netdev_err(netdev, "No memory left for URBs\n");
+ err = -ENOMEM;
+ break;
}
buf = usb_alloc_coherent(dev->udev, RX_BUFFER_SIZE, GFP_KERNEL,
&urb->transfer_dma);
if (!buf) {
- dev_err(netdev->dev.parent,
- "No memory left for USB buffer\n");
+ netdev_err(netdev, "No memory left for USB buffer\n");
usb_free_urb(urb);
- return -ENOMEM;
+ err = -ENOMEM;
+ break;
}
usb_fill_bulk_urb(urb, dev->udev, usb_rcvbulkpipe(dev->udev, 2),
@@ -639,13 +635,13 @@ static int ems_usb_start(struct ems_usb *dev)
/* Did we submit any URBs */
if (i == 0) {
- dev_warn(netdev->dev.parent, "couldn't setup read URBs\n");
+ netdev_warn(netdev, "couldn't setup read URBs\n");
return err;
}
/* Warn if we've couldn't transmit all the URBs */
if (i < MAX_RX_URBS)
- dev_warn(netdev->dev.parent, "rx performance may be slow\n");
+ netdev_warn(netdev, "rx performance may be slow\n");
/* Setup and start interrupt URB */
usb_fill_int_urb(dev->intr_urb, dev->udev,
@@ -656,8 +652,7 @@ static int ems_usb_start(struct ems_usb *dev)
err = usb_submit_urb(dev->intr_urb, GFP_KERNEL);
if (err) {
- dev_warn(netdev->dev.parent, "intr URB submit failed: %d\n",
- err);
+ netdev_warn(netdev, "intr URB submit failed: %d\n", err);
return err;
}
@@ -686,7 +681,7 @@ static int ems_usb_start(struct ems_usb *dev)
return 0;
failed:
- dev_warn(netdev->dev.parent, "couldn't submit control: %d\n", err);
+ netdev_warn(netdev, "couldn't submit control: %d\n", err);
return err;
}
@@ -726,8 +721,7 @@ static int ems_usb_open(struct net_device *netdev)
if (err == -ENODEV)
netif_device_detach(dev->netdev);
- dev_warn(netdev->dev.parent, "couldn't start device: %d\n",
- err);
+ netdev_warn(netdev, "couldn't start device: %d\n", err);
close_candev(netdev);
@@ -760,13 +754,13 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne
/* create a URB, and a buffer for it, and copy the data to the URB */
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb) {
- dev_err(netdev->dev.parent, "No memory left for URBs\n");
+ netdev_err(netdev, "No memory left for URBs\n");
goto nomem;
}
buf = usb_alloc_coherent(dev->udev, size, GFP_ATOMIC, &urb->transfer_dma);
if (!buf) {
- dev_err(netdev->dev.parent, "No memory left for USB buffer\n");
+ netdev_err(netdev, "No memory left for USB buffer\n");
usb_free_urb(urb);
goto nomem;
}
@@ -809,7 +803,7 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne
usb_unanchor_urb(urb);
usb_free_coherent(dev->udev, size, buf, urb->transfer_dma);
- dev_warn(netdev->dev.parent, "couldn't find free context\n");
+ netdev_warn(netdev, "couldn't find free context\n");
return NETDEV_TX_BUSY;
}
@@ -840,7 +834,7 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne
if (err == -ENODEV) {
netif_device_detach(netdev);
} else {
- dev_warn(netdev->dev.parent, "failed tx_urb %d\n", err);
+ netdev_warn(netdev, "failed tx_urb %d\n", err);
stats->tx_dropped++;
}
@@ -880,7 +874,7 @@ static int ems_usb_close(struct net_device *netdev)
/* Set CAN controller to reset mode */
if (ems_usb_write_mode(dev, SJA1000_MOD_RM))
- dev_warn(netdev->dev.parent, "couldn't stop device");
+ netdev_warn(netdev, "couldn't stop device");
close_candev(netdev);
@@ -917,7 +911,7 @@ static int ems_usb_set_mode(struct net_device *netdev, enum can_mode mode)
switch (mode) {
case CAN_MODE_START:
if (ems_usb_write_mode(dev, SJA1000_MOD_NORMAL))
- dev_warn(netdev->dev.parent, "couldn't start device");
+ netdev_warn(netdev, "couldn't start device");
if (netif_queue_stopped(netdev))
netif_wake_queue(netdev);
@@ -942,8 +936,7 @@ static int ems_usb_set_bittiming(struct net_device *netdev)
if (dev->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES)
btr1 |= 0x80;
- dev_info(netdev->dev.parent, "setting BTR0=0x%02x BTR1=0x%02x\n",
- btr0, btr1);
+ netdev_info(netdev, "setting BTR0=0x%02x BTR1=0x%02x\n", btr0, btr1);
dev->active_params.msg.can_params.cc_params.sja1000.btr0 = btr0;
dev->active_params.msg.can_params.cc_params.sja1000.btr1 = btr1;
@@ -1048,15 +1041,13 @@ static int ems_usb_probe(struct usb_interface *intf,
err = ems_usb_command_msg(dev, &dev->active_params);
if (err) {
- dev_err(netdev->dev.parent,
- "couldn't initialize controller: %d\n", err);
+ netdev_err(netdev, "couldn't initialize controller: %d\n", err);
goto cleanup_tx_msg_buffer;
}
err = register_candev(netdev);
if (err) {
- dev_err(netdev->dev.parent,
- "couldn't register CAN device: %d\n", err);
+ netdev_err(netdev, "couldn't register CAN device: %d\n", err);
goto cleanup_tx_msg_buffer;
}
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 14:50:33 +0000