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path: root/drivers/usb/serial/cyberjack.c
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Diffstat (limited to 'drivers/usb/serial/cyberjack.c')
-rw-r--r--drivers/usb/serial/cyberjack.c77
1 files changed, 36 insertions, 41 deletions
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
index 3aa0b530f68..2a7aecc7223 100644
--- a/drivers/usb/serial/cyberjack.c
+++ b/drivers/usb/serial/cyberjack.c
@@ -43,8 +43,6 @@
#define CYBERJACK_LOCAL_BUF_SIZE 32
-static bool debug;
-
/*
* Version Information
*/
@@ -136,7 +134,8 @@ static int cyberjack_startup(struct usb_serial *serial)
if (result)
dev_err(&serial->dev->dev,
"usb_submit_urb(read int) failed\n");
- dbg("%s - usb_submit_urb(int urb)", __func__);
+ dev_dbg(&serial->dev->dev, "%s - usb_submit_urb(int urb)\n",
+ __func__);
}
return 0;
@@ -167,7 +166,7 @@ static int cyberjack_open(struct tty_struct *tty,
unsigned long flags;
int result = 0;
- dbg("%s - usb_clear_halt", __func__);
+ dev_dbg(&port->dev, "%s - usb_clear_halt\n", __func__);
usb_clear_halt(port->serial->dev, port->write_urb->pipe);
priv = usb_get_serial_port_data(port);
@@ -192,18 +191,19 @@ static void cyberjack_close(struct usb_serial_port *port)
static int cyberjack_write(struct tty_struct *tty,
struct usb_serial_port *port, const unsigned char *buf, int count)
{
+ struct device *dev = &port->dev;
struct cyberjack_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
int result;
int wrexpected;
if (count == 0) {
- dbg("%s - write request of 0 bytes", __func__);
+ dev_dbg(dev, "%s - write request of 0 bytes\n", __func__);
return 0;
}
if (!test_and_clear_bit(0, &port->write_urbs_free)) {
- dbg("%s - already writing", __func__);
+ dev_dbg(dev, "%s - already writing\n", __func__);
return 0;
}
@@ -220,13 +220,12 @@ static int cyberjack_write(struct tty_struct *tty,
/* Copy data */
memcpy(priv->wrbuf + priv->wrfilled, buf, count);
- usb_serial_debug_data(debug, &port->dev, __func__, count,
- priv->wrbuf + priv->wrfilled);
+ usb_serial_debug_data(dev, __func__, count, priv->wrbuf + priv->wrfilled);
priv->wrfilled += count;
if (priv->wrfilled >= 3) {
wrexpected = ((int)priv->wrbuf[2]<<8)+priv->wrbuf[1]+3;
- dbg("%s - expected data: %d", __func__, wrexpected);
+ dev_dbg(dev, "%s - expected data: %d\n", __func__, wrexpected);
} else
wrexpected = sizeof(priv->wrbuf);
@@ -234,7 +233,7 @@ static int cyberjack_write(struct tty_struct *tty,
/* We have enough data to begin transmission */
int length;
- dbg("%s - transmitting data (frame 1)", __func__);
+ dev_dbg(dev, "%s - transmitting data (frame 1)\n", __func__);
length = (wrexpected > port->bulk_out_size) ?
port->bulk_out_size : wrexpected;
@@ -258,11 +257,11 @@ static int cyberjack_write(struct tty_struct *tty,
return 0;
}
- dbg("%s - priv->wrsent=%d", __func__, priv->wrsent);
- dbg("%s - priv->wrfilled=%d", __func__, priv->wrfilled);
+ dev_dbg(dev, "%s - priv->wrsent=%d\n", __func__, priv->wrsent);
+ dev_dbg(dev, "%s - priv->wrfilled=%d\n", __func__, priv->wrfilled);
if (priv->wrsent >= priv->wrfilled) {
- dbg("%s - buffer cleaned", __func__);
+ dev_dbg(dev, "%s - buffer cleaned\n", __func__);
memset(priv->wrbuf, 0, sizeof(priv->wrbuf));
priv->wrfilled = 0;
priv->wrsent = 0;
@@ -284,6 +283,7 @@ static void cyberjack_read_int_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
struct cyberjack_private *priv = usb_get_serial_port_data(port);
+ struct device *dev = &port->dev;
unsigned char *data = urb->transfer_buffer;
int status = urb->status;
int result;
@@ -292,8 +292,7 @@ static void cyberjack_read_int_callback(struct urb *urb)
if (status)
return;
- usb_serial_debug_data(debug, &port->dev, __func__,
- urb->actual_length, data);
+ usb_serial_debug_data(dev, __func__, urb->actual_length, data);
/* React only to interrupts signaling a bulk_in transfer */
if (urb->actual_length == 4 && data[0] == 0x01) {
@@ -307,7 +306,7 @@ static void cyberjack_read_int_callback(struct urb *urb)
old_rdtodo = priv->rdtodo;
if (old_rdtodo + size < old_rdtodo) {
- dbg("To many bulk_in urbs to do.");
+ dev_dbg(dev, "To many bulk_in urbs to do.\n");
spin_unlock(&priv->lock);
goto resubmit;
}
@@ -315,17 +314,16 @@ static void cyberjack_read_int_callback(struct urb *urb)
/* "+=" is probably more fault tollerant than "=" */
priv->rdtodo += size;
- dbg("%s - rdtodo: %d", __func__, priv->rdtodo);
+ dev_dbg(dev, "%s - rdtodo: %d\n", __func__, priv->rdtodo);
spin_unlock(&priv->lock);
if (!old_rdtodo) {
result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
if (result)
- dev_err(&port->dev, "%s - failed resubmitting "
- "read urb, error %d\n",
+ dev_err(dev, "%s - failed resubmitting read urb, error %d\n",
__func__, result);
- dbg("%s - usb_submit_urb(read urb)", __func__);
+ dev_dbg(dev, "%s - usb_submit_urb(read urb)\n", __func__);
}
}
@@ -333,30 +331,30 @@ resubmit:
result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
if (result)
dev_err(&port->dev, "usb_submit_urb(read int) failed\n");
- dbg("%s - usb_submit_urb(int urb)", __func__);
+ dev_dbg(dev, "%s - usb_submit_urb(int urb)\n", __func__);
}
static void cyberjack_read_bulk_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
struct cyberjack_private *priv = usb_get_serial_port_data(port);
+ struct device *dev = &port->dev;
struct tty_struct *tty;
unsigned char *data = urb->transfer_buffer;
short todo;
int result;
int status = urb->status;
- usb_serial_debug_data(debug, &port->dev, __func__,
- urb->actual_length, data);
+ usb_serial_debug_data(dev, __func__, urb->actual_length, data);
if (status) {
- dbg("%s - nonzero read bulk status received: %d",
- __func__, status);
+ dev_dbg(dev, "%s - nonzero read bulk status received: %d\n",
+ __func__, status);
return;
}
tty = tty_port_tty_get(&port->port);
if (!tty) {
- dbg("%s - ignoring since device not open", __func__);
+ dev_dbg(dev, "%s - ignoring since device not open\n", __func__);
return;
}
if (urb->actual_length) {
@@ -376,15 +374,15 @@ static void cyberjack_read_bulk_callback(struct urb *urb)
spin_unlock(&priv->lock);
- dbg("%s - rdtodo: %d", __func__, todo);
+ dev_dbg(dev, "%s - rdtodo: %d\n", __func__, todo);
/* Continue to read if we have still urbs to do. */
if (todo /* || (urb->actual_length==port->bulk_in_endpointAddress)*/) {
result = usb_submit_urb(port->read_urb, GFP_ATOMIC);
if (result)
- dev_err(&port->dev, "%s - failed resubmitting read "
- "urb, error %d\n", __func__, result);
- dbg("%s - usb_submit_urb(read urb)", __func__);
+ dev_err(dev, "%s - failed resubmitting read urb, error %d\n",
+ __func__, result);
+ dev_dbg(dev, "%s - usb_submit_urb(read urb)\n", __func__);
}
}
@@ -392,12 +390,13 @@ static void cyberjack_write_bulk_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
struct cyberjack_private *priv = usb_get_serial_port_data(port);
+ struct device *dev = &port->dev;
int status = urb->status;
set_bit(0, &port->write_urbs_free);
if (status) {
- dbg("%s - nonzero write bulk status received: %d",
- __func__, status);
+ dev_dbg(dev, "%s - nonzero write bulk status received: %d\n",
+ __func__, status);
return;
}
@@ -407,7 +406,7 @@ static void cyberjack_write_bulk_callback(struct urb *urb)
if (priv->wrfilled) {
int length, blksize, result;
- dbg("%s - transmitting data (frame n)", __func__);
+ dev_dbg(dev, "%s - transmitting data (frame n)\n", __func__);
length = ((priv->wrfilled - priv->wrsent) > port->bulk_out_size) ?
port->bulk_out_size : (priv->wrfilled - priv->wrsent);
@@ -422,8 +421,7 @@ static void cyberjack_write_bulk_callback(struct urb *urb)
/* send the data out the bulk port */
result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
if (result) {
- dev_err(&port->dev,
- "%s - failed submitting write urb, error %d\n",
+ dev_err(dev, "%s - failed submitting write urb, error %d\n",
__func__, result);
/* Throw away data. No better idea what to do with it. */
priv->wrfilled = 0;
@@ -431,14 +429,14 @@ static void cyberjack_write_bulk_callback(struct urb *urb)
goto exit;
}
- dbg("%s - priv->wrsent=%d", __func__, priv->wrsent);
- dbg("%s - priv->wrfilled=%d", __func__, priv->wrfilled);
+ dev_dbg(dev, "%s - priv->wrsent=%d\n", __func__, priv->wrsent);
+ dev_dbg(dev, "%s - priv->wrfilled=%d\n", __func__, priv->wrfilled);
blksize = ((int)priv->wrbuf[2]<<8)+priv->wrbuf[1]+3;
if (priv->wrsent >= priv->wrfilled ||
priv->wrsent >= blksize) {
- dbg("%s - buffer cleaned", __func__);
+ dev_dbg(dev, "%s - buffer cleaned\n", __func__);
memset(priv->wrbuf, 0, sizeof(priv->wrbuf));
priv->wrfilled = 0;
priv->wrsent = 0;
@@ -456,6 +454,3 @@ MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_VERSION(DRIVER_VERSION);
MODULE_LICENSE("GPL");
-
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Debug enabled or not");
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 11:01:24 +0000