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path: root/drivers/usb/class
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Diffstat (limited to 'drivers/usb/class')
-rw-r--r--drivers/usb/class/cdc-acm.c80
1 files changed, 52 insertions, 28 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 612b9ff..fee7d8b 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -111,8 +111,9 @@ static int acm_ctrl_msg(struct acm *acm, int request, int value,
request, USB_RT_ACM, value,
acm->control->altsetting[0].desc.bInterfaceNumber,
buf, len, 5000);
- dbg("acm_control_msg: rq: 0x%02x val: %#x len: %#x result: %d",
- request, value, len, retval);
+ dev_dbg(&acm->control->dev,
+ "%s - rq 0x%02x, val %#x, len %#x, result %d\n",
+ __func__, request, value, len, retval);
return retval < 0 ? retval : 0;
}
@@ -192,7 +193,9 @@ static int acm_start_wb(struct acm *acm, struct acm_wb *wb)
rc = usb_submit_urb(wb->urb, GFP_ATOMIC);
if (rc < 0) {
- dbg("usb_submit_urb(write bulk) failed: %d", rc);
+ dev_err(&acm->data->dev,
+ "%s - usb_submit_urb(write bulk) failed: %d\n",
+ __func__, rc);
acm_write_done(acm, wb);
}
return rc;
@@ -211,7 +214,8 @@ static int acm_write_start(struct acm *acm, int wbn)
return -ENODEV;
}
- dbg("%s susp_count: %d", __func__, acm->susp_count);
+ dev_dbg(&acm->data->dev, "%s - susp_count %d\n", __func__,
+ acm->susp_count);
usb_autopm_get_interface_async(acm->control);
if (acm->susp_count) {
if (!acm->delayed_wb)
@@ -287,10 +291,14 @@ static void acm_ctrl_irq(struct urb *urb)
case -ENOENT:
case -ESHUTDOWN:
/* this urb is terminated, clean up */
- dbg("%s - urb shutting down with status: %d", __func__, status);
+ dev_dbg(&acm->control->dev,
+ "%s - urb shutting down with status: %d\n",
+ __func__, status);
return;
default:
- dbg("%s - nonzero urb status received: %d", __func__, status);
+ dev_dbg(&acm->control->dev,
+ "%s - nonzero urb status received: %d\n",
+ __func__, status);
goto exit;
}
@@ -302,8 +310,8 @@ static void acm_ctrl_irq(struct urb *urb)
data = (unsigned char *)(dr + 1);
switch (dr->bNotificationType) {
case USB_CDC_NOTIFY_NETWORK_CONNECTION:
- dbg("%s network", dr->wValue ?
- "connected to" : "disconnected from");
+ dev_dbg(&acm->control->dev, "%s - network connection: %d\n",
+ __func__, dr->wValue);
break;
case USB_CDC_NOTIFY_SERIAL_STATE:
@@ -313,7 +321,8 @@ static void acm_ctrl_irq(struct urb *urb)
if (tty) {
if (!acm->clocal &&
(acm->ctrlin & ~newctrl & ACM_CTRL_DCD)) {
- dbg("calling hangup");
+ dev_dbg(&acm->control->dev,
+ "%s - calling hangup\n", __func__);
tty_hangup(tty);
}
tty_kref_put(tty);
@@ -321,7 +330,10 @@ static void acm_ctrl_irq(struct urb *urb)
acm->ctrlin = newctrl;
- dbg("input control lines: dcd%c dsr%c break%c ring%c framing%c parity%c overrun%c",
+ dev_dbg(&acm->control->dev,
+ "%s - input control lines: dcd%c dsr%c break%c "
+ "ring%c framing%c parity%c overrun%c\n",
+ __func__,
acm->ctrlin & ACM_CTRL_DCD ? '+' : '-',
acm->ctrlin & ACM_CTRL_DSR ? '+' : '-',
acm->ctrlin & ACM_CTRL_BRK ? '+' : '-',
@@ -332,7 +344,10 @@ static void acm_ctrl_irq(struct urb *urb)
break;
default:
- dbg("unknown notification %d received: index %d len %d data0 %d data1 %d",
+ dev_dbg(&acm->control->dev,
+ "%s - unknown notification %d received: index %d "
+ "len %d data0 %d data1 %d\n",
+ __func__,
dr->bNotificationType, dr->wIndex,
dr->wLength, data[0], data[1]);
break;
@@ -352,7 +367,7 @@ static void acm_read_bulk(struct urb *urb)
struct acm *acm = rcv->instance;
int status = urb->status;
- dbg("Entering acm_read_bulk with status %d", status);
+ dev_dbg(&acm->data->dev, "%s - status %d\n", __func__, status);
if (!ACM_READY(acm)) {
dev_dbg(&acm->data->dev, "%s - acm not ready\n", __func__);
@@ -395,10 +410,10 @@ static void acm_rx_tasklet(unsigned long _acm)
unsigned long flags;
unsigned char throttled;
- dbg("Entering acm_rx_tasklet");
+ dev_dbg(&acm->data->dev, "%s\n", __func__);
if (!ACM_READY(acm)) {
- dbg("acm_rx_tasklet: ACM not ready");
+ dev_dbg(&acm->data->dev, "%s - acm not ready\n", __func__);
return;
}
@@ -406,7 +421,7 @@ static void acm_rx_tasklet(unsigned long _acm)
throttled = acm->throttle;
spin_unlock_irqrestore(&acm->throttle_lock, flags);
if (throttled) {
- dbg("acm_rx_tasklet: throttled");
+ dev_dbg(&acm->data->dev, "%s - throttled\n", __func__);
return;
}
@@ -423,8 +438,8 @@ next_buffer:
list_del(&buf->list);
spin_unlock_irqrestore(&acm->read_lock, flags);
- dbg("acm_rx_tasklet: procesing buf 0x%p, size = %d", buf, buf->size);
-
+ dev_dbg(&acm->data->dev, "%s - processing buf 0x%p, size = %d\n",
+ __func__, buf, buf->size);
if (tty) {
spin_lock_irqsave(&acm->throttle_lock, flags);
throttled = acm->throttle;
@@ -434,7 +449,8 @@ next_buffer:
tty_flip_buffer_push(tty);
} else {
tty_kref_put(tty);
- dbg("Throttling noticed");
+ dev_dbg(&acm->data->dev, "%s - throttling noticed\n",
+ __func__);
spin_lock_irqsave(&acm->read_lock, flags);
list_add(&buf->list, &acm->filled_read_bufs);
spin_unlock_irqrestore(&acm->read_lock, flags);
@@ -495,7 +511,9 @@ urbs:
return;
} else {
spin_unlock_irqrestore(&acm->read_lock, flags);
- dbg("acm_rx_tasklet: sending urb 0x%p, rcv 0x%p, buf 0x%p", rcv->urb, rcv, buf);
+ dev_dbg(&acm->data->dev,
+ "%s - sending urb 0x%p, rcv 0x%p, buf 0x%p\n",
+ __func__, rcv->urb, rcv, buf);
}
}
spin_lock_irqsave(&acm->read_lock, flags);
@@ -552,7 +570,6 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp)
struct acm *acm;
int rv = -ENODEV;
int i;
- dbg("Entering acm_tty_open.");
mutex_lock(&open_mutex);
@@ -562,6 +579,8 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp)
else
rv = 0;
+ dev_dbg(&acm->control->dev, "%s\n", __func__);
+
set_bit(TTY_NO_WRITE_SPLIT, &tty->flags);
tty->driver_data = acm;
@@ -581,7 +600,8 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp)
acm->ctrlurb->dev = acm->dev;
if (usb_submit_urb(acm->ctrlurb, GFP_KERNEL)) {
- dbg("usb_submit_urb(ctrl irq) failed");
+ dev_err(&acm->control->dev,
+ "%s - usb_submit_urb(ctrl irq) failed\n", __func__);
goto bail_out;
}
@@ -701,13 +721,13 @@ static int acm_tty_write(struct tty_struct *tty,
int wbn;
struct acm_wb *wb;
- dbg("Entering acm_tty_write to write %d bytes,", count);
-
if (!ACM_READY(acm))
return -EINVAL;
if (!count)
return 0;
+ dev_dbg(&acm->data->dev, "%s - count %d\n", __func__, count);
+
spin_lock_irqsave(&acm->write_lock, flags);
wbn = acm_wb_alloc(acm);
if (wbn < 0) {
@@ -717,7 +737,7 @@ static int acm_tty_write(struct tty_struct *tty,
wb = &acm->wb[wbn];
count = (count > acm->writesize) ? acm->writesize : count;
- dbg("Get %d bytes...", count);
+ dev_dbg(&acm->data->dev, "%s - write %d\n", __func__, count);
memcpy(wb->buf, buf, count);
wb->len = count;
spin_unlock_irqrestore(&acm->write_lock, flags);
@@ -780,7 +800,8 @@ static int acm_tty_break_ctl(struct tty_struct *tty, int state)
return -EINVAL;
retval = acm_send_break(acm, state ? 0xffff : 0);
if (retval < 0)
- dbg("send break failed");
+ dev_dbg(&acm->control->dev, "%s - send break failed\n",
+ __func__);
return retval;
}
@@ -875,7 +896,9 @@ static void acm_tty_set_termios(struct tty_struct *tty,
if (memcmp(&acm->line, &newline, sizeof newline)) {
memcpy(&acm->line, &newline, sizeof newline);
- dbg("set line: %d %d %d %d", le32_to_cpu(newline.dwDTERate),
+ dev_dbg(&acm->control->dev, "%s - set line: %d %d %d %d\n",
+ __func__,
+ le32_to_cpu(newline.dwDTERate),
newline.bCharFormat, newline.bParityType,
newline.bDataBits);
acm_set_line(acm, &acm->line);
@@ -1136,7 +1159,7 @@ skip_normal_probe:
epwrite = t;
}
made_compressed_probe:
- dbg("interfaces are valid");
+ dev_dbg(&intf->dev, "interfaces are valid\n");
for (minor = 0; minor < ACM_TTY_MINORS && acm_table[minor]; minor++);
if (minor == ACM_TTY_MINORS) {
@@ -1321,7 +1344,8 @@ alloc_fail:
static void stop_data_traffic(struct acm *acm)
{
int i;
- dbg("Entering stop_data_traffic");
+
+ dev_dbg(&acm->control->dev, "%s\n", __func__);
tasklet_disable(&acm->urb_task);
generated by cgit v1.1 at 2024-12-27 05:11:51 +0000