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path: root/drivers/usb/serial/digi_acceleport.c
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Diffstat (limited to 'drivers/usb/serial/digi_acceleport.c')
-rw-r--r--drivers/usb/serial/digi_acceleport.c304
1 files changed, 146 insertions, 158 deletions
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index b5cd838093e..8a23c53b946 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -17,7 +17,6 @@
#include <linux/kernel.h>
#include <linux/errno.h>
-#include <linux/init.h>
#include <linux/slab.h>
#include <linux/tty.h>
#include <linux/tty_driver.h>
@@ -32,10 +31,6 @@
/* Defines */
-/*
- * Version Information
- */
-#define DRIVER_VERSION "v1.80.1.2"
#define DRIVER_AUTHOR "Peter Berger <pberger@brimson.com>, Al Borchers <borchers@steinerpoint.com>"
#define DRIVER_DESC "Digi AccelePort USB-2/USB-4 Serial Converter driver"
@@ -200,7 +195,6 @@ struct digi_port {
unsigned char dp_out_buf[DIGI_OUT_BUF_SIZE];
int dp_write_urb_in_use;
unsigned int dp_modem_signals;
- wait_queue_head_t dp_modem_change_wait;
int dp_transmit_idle;
wait_queue_head_t dp_transmit_idle_wait;
int dp_throttled;
@@ -214,7 +208,6 @@ struct digi_port {
/* Local Function Declarations */
-static void digi_wakeup_write(struct usb_serial_port *port);
static void digi_wakeup_write_lock(struct work_struct *work);
static int digi_write_oob_command(struct usb_serial_port *port,
unsigned char *buf, int count, int interruptible);
@@ -244,15 +237,13 @@ static int digi_startup_device(struct usb_serial *serial);
static int digi_startup(struct usb_serial *serial);
static void digi_disconnect(struct usb_serial *serial);
static void digi_release(struct usb_serial *serial);
+static int digi_port_probe(struct usb_serial_port *port);
+static int digi_port_remove(struct usb_serial_port *port);
static void digi_read_bulk_callback(struct urb *urb);
static int digi_read_inb_callback(struct urb *urb);
static int digi_read_oob_callback(struct urb *urb);
-/* Statics */
-
-static bool debug;
-
static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(DIGI_VENDOR_ID, DIGI_2_ID) },
{ USB_DEVICE(DIGI_VENDOR_ID, DIGI_4_ID) },
@@ -298,6 +289,8 @@ static struct usb_serial_driver digi_acceleport_2_device = {
.attach = digi_startup,
.disconnect = digi_disconnect,
.release = digi_release,
+ .port_probe = digi_port_probe,
+ .port_remove = digi_port_remove,
};
static struct usb_serial_driver digi_acceleport_4_device = {
@@ -324,6 +317,8 @@ static struct usb_serial_driver digi_acceleport_4_device = {
.attach = digi_startup,
.disconnect = digi_disconnect,
.release = digi_release,
+ .port_probe = digi_port_probe,
+ .port_remove = digi_port_remove,
};
static struct usb_serial_driver * const serial_drivers[] = {
@@ -376,20 +371,10 @@ static void digi_wakeup_write_lock(struct work_struct *work)
unsigned long flags;
spin_lock_irqsave(&priv->dp_port_lock, flags);
- digi_wakeup_write(port);
+ tty_port_tty_wakeup(&port->port);
spin_unlock_irqrestore(&priv->dp_port_lock, flags);
}
-static void digi_wakeup_write(struct usb_serial_port *port)
-{
- struct tty_struct *tty = tty_port_tty_get(&port->port);
- if (tty) {
- tty_wakeup(tty);
- tty_kref_put(tty);
- }
-}
-
-
/*
* Digi Write OOB Command
*
@@ -404,14 +389,15 @@ static void digi_wakeup_write(struct usb_serial_port *port)
static int digi_write_oob_command(struct usb_serial_port *port,
unsigned char *buf, int count, int interruptible)
{
-
int ret = 0;
int len;
struct usb_serial_port *oob_port = (struct usb_serial_port *)((struct digi_serial *)(usb_get_serial_data(port->serial)))->ds_oob_port;
struct digi_port *oob_priv = usb_get_serial_port_data(oob_port);
unsigned long flags = 0;
- dbg("digi_write_oob_command: TOP: port=%d, count=%d", oob_priv->dp_port_num, count);
+ dev_dbg(&port->dev,
+ "digi_write_oob_command: TOP: port=%d, count=%d\n",
+ oob_priv->dp_port_num, count);
spin_lock_irqsave(&oob_priv->dp_port_lock, flags);
while (count > 0) {
@@ -467,7 +453,7 @@ static int digi_write_inb_command(struct usb_serial_port *port,
unsigned char *data = port->write_urb->transfer_buffer;
unsigned long flags = 0;
- dbg("digi_write_inb_command: TOP: port=%d, count=%d",
+ dev_dbg(&port->dev, "digi_write_inb_command: TOP: port=%d, count=%d\n",
priv->dp_port_num, count);
if (timeout)
@@ -549,7 +535,8 @@ static int digi_set_modem_signals(struct usb_serial_port *port,
unsigned long flags = 0;
- dbg("digi_set_modem_signals: TOP: port=%d, modem_signals=0x%x",
+ dev_dbg(&port->dev,
+ "digi_set_modem_signals: TOP: port=%d, modem_signals=0x%x\n",
port_priv->dp_port_num, modem_signals);
spin_lock_irqsave(&oob_priv->dp_port_lock, flags);
@@ -687,8 +674,9 @@ static void digi_set_termios(struct tty_struct *tty,
struct usb_serial_port *port, struct ktermios *old_termios)
{
struct digi_port *priv = usb_get_serial_port_data(port);
- unsigned int iflag = tty->termios->c_iflag;
- unsigned int cflag = tty->termios->c_cflag;
+ struct device *dev = &port->dev;
+ unsigned int iflag = tty->termios.c_iflag;
+ unsigned int cflag = tty->termios.c_cflag;
unsigned int old_iflag = old_termios->c_iflag;
unsigned int old_cflag = old_termios->c_cflag;
unsigned char buf[32];
@@ -697,7 +685,9 @@ static void digi_set_termios(struct tty_struct *tty,
int i = 0;
speed_t baud;
- dbg("digi_set_termios: TOP: port=%d, iflag=0x%x, old_iflag=0x%x, cflag=0x%x, old_cflag=0x%x", priv->dp_port_num, iflag, old_iflag, cflag, old_cflag);
+ dev_dbg(dev,
+ "digi_set_termios: TOP: port=%d, iflag=0x%x, old_iflag=0x%x, cflag=0x%x, old_cflag=0x%x\n",
+ priv->dp_port_num, iflag, old_iflag, cflag, old_cflag);
/* set baud rate */
baud = tty_get_baud_rate(tty);
@@ -709,7 +699,7 @@ static void digi_set_termios(struct tty_struct *tty,
/* don't set RTS if using hardware flow control */
/* and throttling input */
modem_signals = TIOCM_DTR;
- if (!(tty->termios->c_cflag & CRTSCTS) ||
+ if (!(tty->termios.c_cflag & CRTSCTS) ||
!test_bit(TTY_THROTTLED, &tty->flags))
modem_signals |= TIOCM_RTS;
digi_set_modem_signals(port, modem_signals, 1);
@@ -748,7 +738,7 @@ static void digi_set_termios(struct tty_struct *tty,
}
}
/* set parity */
- tty->termios->c_cflag &= ~CMSPAR;
+ tty->termios.c_cflag &= ~CMSPAR;
if ((cflag&(PARENB|PARODD)) != (old_cflag&(PARENB|PARODD))) {
if (cflag&PARENB) {
@@ -773,7 +763,8 @@ static void digi_set_termios(struct tty_struct *tty,
case CS7: arg = DIGI_WORD_SIZE_7; break;
case CS8: arg = DIGI_WORD_SIZE_8; break;
default:
- dbg("digi_set_termios: can't handle word size %d",
+ dev_dbg(dev,
+ "digi_set_termios: can't handle word size %d\n",
(cflag&CSIZE));
break;
}
@@ -866,7 +857,7 @@ static void digi_set_termios(struct tty_struct *tty,
}
ret = digi_write_oob_command(port, buf, i, 1);
if (ret != 0)
- dbg("digi_set_termios: write oob failed, ret=%d", ret);
+ dev_dbg(dev, "digi_set_termios: write oob failed, ret=%d\n", ret);
tty_encode_baud_rate(tty, baud, baud);
}
@@ -922,7 +913,8 @@ static int digi_write(struct tty_struct *tty, struct usb_serial_port *port,
unsigned char *data = port->write_urb->transfer_buffer;
unsigned long flags = 0;
- dbg("digi_write: TOP: port=%d, count=%d, in_interrupt=%ld",
+ dev_dbg(&port->dev,
+ "digi_write: TOP: port=%d, count=%d, in_interrupt=%ld\n",
priv->dp_port_num, count, in_interrupt());
/* copy user data (which can sleep) before getting spin lock */
@@ -981,7 +973,7 @@ static int digi_write(struct tty_struct *tty, struct usb_serial_port *port,
dev_err_console(port,
"%s: usb_submit_urb failed, ret=%d, port=%d\n",
__func__, ret, priv->dp_port_num);
- dbg("digi_write: returning %d", ret);
+ dev_dbg(&port->dev, "digi_write: returning %d\n", ret);
return ret;
}
@@ -1012,7 +1004,7 @@ static void digi_write_bulk_callback(struct urb *urb)
/* handle oob callback */
if (priv->dp_port_num == serial_priv->ds_oob_port_num) {
- dbg("digi_write_bulk_callback: oob callback");
+ dev_dbg(&port->dev, "digi_write_bulk_callback: oob callback\n");
spin_lock(&priv->dp_port_lock);
priv->dp_write_urb_in_use = 0;
wake_up_interruptible(&port->write_wait);
@@ -1039,7 +1031,7 @@ static void digi_write_bulk_callback(struct urb *urb)
}
}
/* wake up processes sleeping on writes immediately */
- digi_wakeup_write(port);
+ tty_port_tty_wakeup(&port->port);
/* also queue up a wakeup at scheduler time, in case we */
/* lost the race in write_chan(). */
schedule_work(&priv->dp_wakeup_work);
@@ -1066,7 +1058,7 @@ static int digi_write_room(struct tty_struct *tty)
room = port->bulk_out_size - 2 - priv->dp_out_buf_len;
spin_unlock_irqrestore(&priv->dp_port_lock, flags);
- dbg("digi_write_room: port=%d, room=%d", priv->dp_port_num, room);
+ dev_dbg(&port->dev, "digi_write_room: port=%d, room=%d\n", priv->dp_port_num, room);
return room;
}
@@ -1077,12 +1069,12 @@ static int digi_chars_in_buffer(struct tty_struct *tty)
struct digi_port *priv = usb_get_serial_port_data(port);
if (priv->dp_write_urb_in_use) {
- dbg("digi_chars_in_buffer: port=%d, chars=%d",
+ dev_dbg(&port->dev, "digi_chars_in_buffer: port=%d, chars=%d\n",
priv->dp_port_num, port->bulk_out_size - 2);
/* return(port->bulk_out_size - 2); */
return 256;
} else {
- dbg("digi_chars_in_buffer: port=%d, chars=%d",
+ dev_dbg(&port->dev, "digi_chars_in_buffer: port=%d, chars=%d\n",
priv->dp_port_num, priv->dp_out_buf_len);
return priv->dp_out_buf_len;
}
@@ -1120,12 +1112,12 @@ static int digi_open(struct tty_struct *tty, struct usb_serial_port *port)
ret = digi_write_oob_command(port, buf, 8, 1);
if (ret != 0)
- dbg("digi_open: write oob failed, ret=%d", ret);
+ dev_dbg(&port->dev, "digi_open: write oob failed, ret=%d\n", ret);
/* set termios settings */
if (tty) {
- not_termios.c_cflag = ~tty->termios->c_cflag;
- not_termios.c_iflag = ~tty->termios->c_iflag;
+ not_termios.c_cflag = ~tty->termios.c_cflag;
+ not_termios.c_iflag = ~tty->termios.c_iflag;
digi_set_termios(tty, port, &not_termios);
}
return 0;
@@ -1144,53 +1136,51 @@ static void digi_close(struct usb_serial_port *port)
if (port->serial->disconnected)
goto exit;
- if (port->serial->dev) {
- /* FIXME: Transmit idle belongs in the wait_unti_sent path */
- digi_transmit_idle(port, DIGI_CLOSE_TIMEOUT);
-
- /* disable input flow control */
- buf[0] = DIGI_CMD_SET_INPUT_FLOW_CONTROL;
- buf[1] = priv->dp_port_num;
- buf[2] = DIGI_DISABLE;
- buf[3] = 0;
-
- /* disable output flow control */
- buf[4] = DIGI_CMD_SET_OUTPUT_FLOW_CONTROL;
- buf[5] = priv->dp_port_num;
- buf[6] = DIGI_DISABLE;
- buf[7] = 0;
-
- /* disable reading modem signals automatically */
- buf[8] = DIGI_CMD_READ_INPUT_SIGNALS;
- buf[9] = priv->dp_port_num;
- buf[10] = DIGI_DISABLE;
- buf[11] = 0;
-
- /* disable receive */
- buf[12] = DIGI_CMD_RECEIVE_ENABLE;
- buf[13] = priv->dp_port_num;
- buf[14] = DIGI_DISABLE;
- buf[15] = 0;
-
- /* flush fifos */
- buf[16] = DIGI_CMD_IFLUSH_FIFO;
- buf[17] = priv->dp_port_num;
- buf[18] = DIGI_FLUSH_TX | DIGI_FLUSH_RX;
- buf[19] = 0;
-
- ret = digi_write_oob_command(port, buf, 20, 0);
- if (ret != 0)
- dbg("digi_close: write oob failed, ret=%d", ret);
-
- /* wait for final commands on oob port to complete */
- prepare_to_wait(&priv->dp_flush_wait, &wait,
- TASK_INTERRUPTIBLE);
- schedule_timeout(DIGI_CLOSE_TIMEOUT);
- finish_wait(&priv->dp_flush_wait, &wait);
-
- /* shutdown any outstanding bulk writes */
- usb_kill_urb(port->write_urb);
- }
+ /* FIXME: Transmit idle belongs in the wait_unti_sent path */
+ digi_transmit_idle(port, DIGI_CLOSE_TIMEOUT);
+
+ /* disable input flow control */
+ buf[0] = DIGI_CMD_SET_INPUT_FLOW_CONTROL;
+ buf[1] = priv->dp_port_num;
+ buf[2] = DIGI_DISABLE;
+ buf[3] = 0;
+
+ /* disable output flow control */
+ buf[4] = DIGI_CMD_SET_OUTPUT_FLOW_CONTROL;
+ buf[5] = priv->dp_port_num;
+ buf[6] = DIGI_DISABLE;
+ buf[7] = 0;
+
+ /* disable reading modem signals automatically */
+ buf[8] = DIGI_CMD_READ_INPUT_SIGNALS;
+ buf[9] = priv->dp_port_num;
+ buf[10] = DIGI_DISABLE;
+ buf[11] = 0;
+
+ /* disable receive */
+ buf[12] = DIGI_CMD_RECEIVE_ENABLE;
+ buf[13] = priv->dp_port_num;
+ buf[14] = DIGI_DISABLE;
+ buf[15] = 0;
+
+ /* flush fifos */
+ buf[16] = DIGI_CMD_IFLUSH_FIFO;
+ buf[17] = priv->dp_port_num;
+ buf[18] = DIGI_FLUSH_TX | DIGI_FLUSH_RX;
+ buf[19] = 0;
+
+ ret = digi_write_oob_command(port, buf, 20, 0);
+ if (ret != 0)
+ dev_dbg(&port->dev, "digi_close: write oob failed, ret=%d\n",
+ ret);
+ /* wait for final commands on oob port to complete */
+ prepare_to_wait(&priv->dp_flush_wait, &wait,
+ TASK_INTERRUPTIBLE);
+ schedule_timeout(DIGI_CLOSE_TIMEOUT);
+ finish_wait(&priv->dp_flush_wait, &wait);
+
+ /* shutdown any outstanding bulk writes */
+ usb_kill_urb(port->write_urb);
exit:
spin_lock_irq(&priv->dp_port_lock);
priv->dp_write_urb_in_use = 0;
@@ -1237,59 +1227,49 @@ static int digi_startup_device(struct usb_serial *serial)
return ret;
}
-
-static int digi_startup(struct usb_serial *serial)
+static int digi_port_init(struct usb_serial_port *port, unsigned port_num)
{
-
- int i;
struct digi_port *priv;
- struct digi_serial *serial_priv;
- /* allocate the private data structures for all ports */
- /* number of regular ports + 1 for the out-of-band port */
- for (i = 0; i < serial->type->num_ports + 1; i++) {
- /* allocate port private structure */
- priv = kmalloc(sizeof(struct digi_port), GFP_KERNEL);
- if (priv == NULL) {
- while (--i >= 0)
- kfree(usb_get_serial_port_data(serial->port[i]));
- return 1; /* error */
- }
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
- /* initialize port private structure */
- spin_lock_init(&priv->dp_port_lock);
- priv->dp_port_num = i;
- priv->dp_out_buf_len = 0;
- priv->dp_write_urb_in_use = 0;
- priv->dp_modem_signals = 0;
- init_waitqueue_head(&priv->dp_modem_change_wait);
- priv->dp_transmit_idle = 0;
- init_waitqueue_head(&priv->dp_transmit_idle_wait);
- priv->dp_throttled = 0;
- priv->dp_throttle_restart = 0;
- init_waitqueue_head(&priv->dp_flush_wait);
- init_waitqueue_head(&priv->dp_close_wait);
- INIT_WORK(&priv->dp_wakeup_work, digi_wakeup_write_lock);
- priv->dp_port = serial->port[i];
- /* initialize write wait queue for this port */
- init_waitqueue_head(&serial->port[i]->write_wait);
-
- usb_set_serial_port_data(serial->port[i], priv);
- }
+ spin_lock_init(&priv->dp_port_lock);
+ priv->dp_port_num = port_num;
+ init_waitqueue_head(&priv->dp_transmit_idle_wait);
+ init_waitqueue_head(&priv->dp_flush_wait);
+ init_waitqueue_head(&priv->dp_close_wait);
+ INIT_WORK(&priv->dp_wakeup_work, digi_wakeup_write_lock);
+ priv->dp_port = port;
- /* allocate serial private structure */
- serial_priv = kmalloc(sizeof(struct digi_serial), GFP_KERNEL);
- if (serial_priv == NULL) {
- for (i = 0; i < serial->type->num_ports + 1; i++)
- kfree(usb_get_serial_port_data(serial->port[i]));
- return 1; /* error */
- }
+ init_waitqueue_head(&port->write_wait);
+
+ usb_set_serial_port_data(port, priv);
+
+ return 0;
+}
+
+static int digi_startup(struct usb_serial *serial)
+{
+ struct digi_serial *serial_priv;
+ int ret;
+
+ serial_priv = kzalloc(sizeof(*serial_priv), GFP_KERNEL);
+ if (!serial_priv)
+ return -ENOMEM;
- /* initialize serial private structure */
spin_lock_init(&serial_priv->ds_serial_lock);
serial_priv->ds_oob_port_num = serial->type->num_ports;
serial_priv->ds_oob_port = serial->port[serial_priv->ds_oob_port_num];
- serial_priv->ds_device_started = 0;
+
+ ret = digi_port_init(serial_priv->ds_oob_port,
+ serial_priv->ds_oob_port_num);
+ if (ret) {
+ kfree(serial_priv);
+ return ret;
+ }
+
usb_set_serial_data(serial, serial_priv);
return 0;
@@ -1310,15 +1290,31 @@ static void digi_disconnect(struct usb_serial *serial)
static void digi_release(struct usb_serial *serial)
{
- int i;
+ struct digi_serial *serial_priv;
+ struct digi_port *priv;
+
+ serial_priv = usb_get_serial_data(serial);
- /* free the private data structures for all ports */
- /* number of regular ports + 1 for the out-of-band port */
- for (i = 0; i < serial->type->num_ports + 1; i++)
- kfree(usb_get_serial_port_data(serial->port[i]));
- kfree(usb_get_serial_data(serial));
+ priv = usb_get_serial_port_data(serial_priv->ds_oob_port);
+ kfree(priv);
+
+ kfree(serial_priv);
}
+static int digi_port_probe(struct usb_serial_port *port)
+{
+ return digi_port_init(port, port->port_number);
+}
+
+static int digi_port_remove(struct usb_serial_port *port)
+{
+ struct digi_port *priv;
+
+ priv = usb_get_serial_port_data(port);
+ kfree(priv);
+
+ return 0;
+}
static void digi_read_bulk_callback(struct urb *urb)
{
@@ -1383,9 +1379,7 @@ static void digi_read_bulk_callback(struct urb *urb)
static int digi_read_inb_callback(struct urb *urb)
{
-
struct usb_serial_port *port = urb->context;
- struct tty_struct *tty;
struct digi_port *priv = usb_get_serial_port_data(port);
int opcode = ((unsigned char *)urb->transfer_buffer)[0];
int len = ((unsigned char *)urb->transfer_buffer)[1];
@@ -1409,7 +1403,6 @@ static int digi_read_inb_callback(struct urb *urb)
return -1;
}
- tty = tty_port_tty_get(&port->port);
spin_lock(&priv->dp_port_lock);
/* check for throttle; if set, do not resubmit read urb */
@@ -1419,13 +1412,13 @@ static int digi_read_inb_callback(struct urb *urb)
priv->dp_throttle_restart = 1;
/* receive data */
- if (tty && opcode == DIGI_CMD_RECEIVE_DATA) {
+ if (opcode == DIGI_CMD_RECEIVE_DATA) {
/* get flag from port_status */
flag = 0;
/* overrun is special, not associated with a char */
if (port_status & DIGI_OVERRUN_ERROR)
- tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
/* break takes precedence over parity, */
/* which takes precedence over framing errors */
@@ -1439,18 +1432,17 @@ static int digi_read_inb_callback(struct urb *urb)
/* data length is len-1 (one byte of len is port_status) */
--len;
if (len > 0) {
- tty_insert_flip_string_fixed_flag(tty, data, flag,
- len);
- tty_flip_buffer_push(tty);
+ tty_insert_flip_string_fixed_flag(&port->port, data,
+ flag, len);
+ tty_flip_buffer_push(&port->port);
}
}
spin_unlock(&priv->dp_port_lock);
- tty_kref_put(tty);
if (opcode == DIGI_CMD_RECEIVE_DISABLE)
- dbg("%s: got RECEIVE_DISABLE", __func__);
+ dev_dbg(&port->dev, "%s: got RECEIVE_DISABLE\n", __func__);
else if (opcode != DIGI_CMD_RECEIVE_DATA)
- dbg("%s: unknown opcode: %d", __func__, opcode);
+ dev_dbg(&port->dev, "%s: unknown opcode: %d\n", __func__, opcode);
return throttled ? 1 : 0;
@@ -1484,7 +1476,7 @@ static int digi_read_oob_callback(struct urb *urb)
status = ((unsigned char *)urb->transfer_buffer)[i++];
val = ((unsigned char *)urb->transfer_buffer)[i++];
- dbg("digi_read_oob_callback: opcode=%d, line=%d, status=%d, val=%d",
+ dev_dbg(&port->dev, "digi_read_oob_callback: opcode=%d, line=%d, status=%d, val=%d\n",
opcode, line, status, val);
if (status != 0 || line >= serial->type->num_ports)
@@ -1500,7 +1492,7 @@ static int digi_read_oob_callback(struct urb *urb)
rts = 0;
if (tty)
- rts = tty->termios->c_cflag & CRTSCTS;
+ rts = tty->termios.c_cflag & CRTSCTS;
if (tty && opcode == DIGI_CMD_READ_INPUT_SIGNALS) {
spin_lock(&priv->dp_port_lock);
@@ -1510,7 +1502,7 @@ static int digi_read_oob_callback(struct urb *urb)
/* port must be open to use tty struct */
if (rts) {
tty->hw_stopped = 0;
- digi_wakeup_write(port);
+ tty_port_tty_wakeup(&port->port);
}
} else {
priv->dp_modem_signals &= ~TIOCM_CTS;
@@ -1531,7 +1523,6 @@ static int digi_read_oob_callback(struct urb *urb)
else
priv->dp_modem_signals &= ~TIOCM_CD;
- wake_up_interruptible(&priv->dp_modem_change_wait);
spin_unlock(&priv->dp_port_lock);
} else if (opcode == DIGI_CMD_TRANSMIT_IDLE) {
spin_lock(&priv->dp_port_lock);
@@ -1552,6 +1543,3 @@ module_usb_serial_driver(serial_drivers, id_table_combined);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
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 2.46.0) at 2025-11-11 05:16:18 +0000