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path: root/drivers/usb/serial/oti6858.c
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Diffstat (limited to 'drivers/usb/serial/oti6858.c')
-rw-r--r--drivers/usb/serial/oti6858.c155
1 files changed, 65 insertions, 90 deletions
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 5976b65ab6e..cee9a52ca89 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -66,8 +66,6 @@ static const struct usb_device_id id_table[] = {
MODULE_DEVICE_TABLE(usb, id_table);
-static bool debug;
-
/* requests */
#define OTI6858_REQ_GET_STATUS (USB_DIR_IN | USB_TYPE_VENDOR | 0x00)
#define OTI6858_REQ_T_GET_STATUS 0x01
@@ -139,8 +137,8 @@ static int oti6858_chars_in_buffer(struct tty_struct *tty);
static int oti6858_tiocmget(struct tty_struct *tty);
static int oti6858_tiocmset(struct tty_struct *tty,
unsigned int set, unsigned int clear);
-static int oti6858_startup(struct usb_serial *serial);
-static void oti6858_release(struct usb_serial *serial);
+static int oti6858_port_probe(struct usb_serial_port *port);
+static int oti6858_port_remove(struct usb_serial_port *port);
/* device info */
static struct usb_serial_driver oti6858_device = {
@@ -163,8 +161,8 @@ static struct usb_serial_driver oti6858_device = {
.write_bulk_callback = oti6858_write_bulk_callback,
.write_room = oti6858_write_room,
.chars_in_buffer = oti6858_chars_in_buffer,
- .attach = oti6858_startup,
- .release = oti6858_release,
+ .port_probe = oti6858_port_probe,
+ .port_remove = oti6858_port_remove,
};
static struct usb_serial_driver * const serial_drivers[] = {
@@ -256,11 +254,11 @@ static void setup_line(struct work_struct *work)
priv->setup_done = 1;
spin_unlock_irqrestore(&priv->lock, flags);
- dbg("%s(): submitting interrupt urb", __func__);
+ dev_dbg(&port->dev, "%s(): submitting interrupt urb\n", __func__);
result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (result != 0) {
- dev_err(&port->dev, "%s(): usb_submit_urb() failed"
- " with error %d\n", __func__, result);
+ dev_err(&port->dev, "%s(): usb_submit_urb() failed with error %d\n",
+ __func__, result);
}
}
@@ -310,11 +308,11 @@ static void send_data(struct work_struct *work)
if (count == 0) {
priv->flags.write_urb_in_use = 0;
- dbg("%s(): submitting interrupt urb", __func__);
+ dev_dbg(&port->dev, "%s(): submitting interrupt urb\n", __func__);
result = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
if (result != 0) {
- dev_err(&port->dev, "%s(): usb_submit_urb() failed"
- " with error %d\n", __func__, result);
+ dev_err(&port->dev, "%s(): usb_submit_urb() failed with error %d\n",
+ __func__, result);
}
return;
}
@@ -325,44 +323,41 @@ static void send_data(struct work_struct *work)
port->write_urb->transfer_buffer_length = count;
result = usb_submit_urb(port->write_urb, GFP_NOIO);
if (result != 0) {
- dev_err_console(port, "%s(): usb_submit_urb() failed"
- " with error %d\n", __func__, result);
+ dev_err_console(port, "%s(): usb_submit_urb() failed with error %d\n",
+ __func__, result);
priv->flags.write_urb_in_use = 0;
}
usb_serial_port_softint(port);
}
-static int oti6858_startup(struct usb_serial *serial)
+static int oti6858_port_probe(struct usb_serial_port *port)
{
- struct usb_serial_port *port = serial->port[0];
struct oti6858_private *priv;
- int i;
-
- for (i = 0; i < serial->num_ports; ++i) {
- priv = kzalloc(sizeof(struct oti6858_private), GFP_KERNEL);
- if (!priv)
- break;
-
- spin_lock_init(&priv->lock);
- init_waitqueue_head(&priv->intr_wait);
-/* INIT_WORK(&priv->setup_work, setup_line, serial->port[i]); */
-/* INIT_WORK(&priv->write_work, send_data, serial->port[i]); */
- priv->port = port;
- INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line);
- INIT_DELAYED_WORK(&priv->delayed_write_work, send_data);
-
- usb_set_serial_port_data(serial->port[i], priv);
- }
- if (i == serial->num_ports)
- return 0;
- for (--i; i >= 0; --i) {
- priv = usb_get_serial_port_data(serial->port[i]);
- kfree(priv);
- usb_set_serial_port_data(serial->port[i], NULL);
- }
- return -ENOMEM;
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ spin_lock_init(&priv->lock);
+ init_waitqueue_head(&priv->intr_wait);
+ priv->port = port;
+ INIT_DELAYED_WORK(&priv->delayed_setup_work, setup_line);
+ INIT_DELAYED_WORK(&priv->delayed_write_work, send_data);
+
+ usb_set_serial_port_data(port, priv);
+
+ return 0;
+}
+
+static int oti6858_port_remove(struct usb_serial_port *port)
+{
+ struct oti6858_private *priv;
+
+ priv = usb_get_serial_port_data(port);
+ kfree(priv);
+
+ return 0;
}
static int oti6858_write(struct tty_struct *tty, struct usb_serial_port *port,
@@ -404,10 +399,10 @@ static int oti6858_chars_in_buffer(struct tty_struct *tty)
static void oti6858_init_termios(struct tty_struct *tty)
{
- *(tty->termios) = tty_std_termios;
- tty->termios->c_cflag = B38400 | CS8 | CREAD | HUPCL | CLOCAL;
- tty->termios->c_ispeed = 38400;
- tty->termios->c_ospeed = 38400;
+ tty->termios = tty_std_termios;
+ tty->termios.c_cflag = B38400 | CS8 | CREAD | HUPCL | CLOCAL;
+ tty->termios.c_ispeed = 38400;
+ tty->termios.c_ospeed = 38400;
}
static void oti6858_set_termios(struct tty_struct *tty,
@@ -420,12 +415,10 @@ static void oti6858_set_termios(struct tty_struct *tty,
__le16 divisor;
int br;
- if (!tty) {
- dbg("%s(): no tty structures", __func__);
+ if (!tty)
return;
- }
- cflag = tty->termios->c_cflag;
+ cflag = tty->termios.c_cflag;
spin_lock_irqsave(&priv->lock, flags);
divisor = priv->pending_setup.divisor;
@@ -560,11 +553,11 @@ static int oti6858_open(struct tty_struct *tty, struct usb_serial_port *port)
spin_unlock_irqrestore(&priv->lock, flags);
kfree(buf);
- dbg("%s(): submitting interrupt urb", __func__);
+ dev_dbg(&port->dev, "%s(): submitting interrupt urb\n", __func__);
result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
if (result != 0) {
- dev_err(&port->dev, "%s(): usb_submit_urb() failed"
- " with error %d\n", __func__, result);
+ dev_err(&port->dev, "%s(): usb_submit_urb() failed with error %d\n",
+ __func__, result);
oti6858_close(port);
return result;
}
@@ -586,14 +579,14 @@ static void oti6858_close(struct usb_serial_port *port)
kfifo_reset_out(&port->write_fifo);
spin_unlock_irqrestore(&port->lock, flags);
- dbg("%s(): after buf_clear()", __func__);
+ dev_dbg(&port->dev, "%s(): after buf_clear()\n", __func__);
/* cancel scheduled setup */
cancel_delayed_work_sync(&priv->delayed_setup_work);
cancel_delayed_work_sync(&priv->delayed_write_work);
/* shutdown our urbs */
- dbg("%s(): shutting down urbs", __func__);
+ dev_dbg(&port->dev, "%s(): shutting down urbs\n", __func__);
usb_kill_urb(port->write_urb);
usb_kill_urb(port->read_urb);
usb_kill_urb(port->interrupt_in_urb);
@@ -607,8 +600,8 @@ static int oti6858_tiocmset(struct tty_struct *tty,
unsigned long flags;
u8 control;
- dbg("%s(port = %d, set = 0x%08x, clear = 0x%08x)",
- __func__, port->number, set, clear);
+ dev_dbg(&port->dev, "%s(set = 0x%08x, clear = 0x%08x)\n",
+ __func__, set, clear);
/* FIXME: check if this is correct (active high/low) */
spin_lock_irqsave(&priv->lock, flags);
@@ -655,7 +648,7 @@ static int oti6858_tiocmget(struct tty_struct *tty)
if ((pin_state & PIN_DCD) != 0)
result |= TIOCM_CD;
- dbg("%s() = 0x%08x", __func__, result);
+ dev_dbg(&port->dev, "%s() = 0x%08x\n", __func__, result);
return result;
}
@@ -700,29 +693,19 @@ static int oti6858_ioctl(struct tty_struct *tty,
{
struct usb_serial_port *port = tty->driver_data;
- dbg("%s(port = %d, cmd = 0x%04x, arg = 0x%08lx)",
- __func__, port->number, cmd, arg);
+ dev_dbg(&port->dev, "%s(cmd = 0x%04x, arg = 0x%08lx)\n", __func__, cmd, arg);
switch (cmd) {
case TIOCMIWAIT:
- dbg("%s(): TIOCMIWAIT", __func__);
+ dev_dbg(&port->dev, "%s(): TIOCMIWAIT\n", __func__);
return wait_modem_info(port, arg);
default:
- dbg("%s(): 0x%04x not supported", __func__, cmd);
+ dev_dbg(&port->dev, "%s(): 0x%04x not supported\n", __func__, cmd);
break;
}
return -ENOIOCTLCMD;
}
-
-static void oti6858_release(struct usb_serial *serial)
-{
- int i;
-
- for (i = 0; i < serial->num_ports; ++i)
- kfree(usb_get_serial_port_data(serial->port[i]));
-}
-
static void oti6858_read_int_callback(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
@@ -738,12 +721,12 @@ static void oti6858_read_int_callback(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(&urb->dev->dev, "%s(): urb shutting down with status: %d\n",
+ __func__, status);
return;
default:
- dbg("%s(): nonzero urb status received: %d",
- __func__, status);
+ dev_dbg(&urb->dev->dev, "%s(): nonzero urb status received: %d\n",
+ __func__, status);
break;
}
@@ -759,8 +742,7 @@ static void oti6858_read_int_callback(struct urb *urb)
priv->transient = 4;
priv->setup_done = 0;
resubmit = 0;
- dbg("%s(): scheduling setup_line()",
- __func__);
+ dev_dbg(&port->dev, "%s(): scheduling setup_line()\n", __func__);
schedule_delayed_work(&priv->delayed_setup_work, 0);
}
}
@@ -774,8 +756,7 @@ static void oti6858_read_int_callback(struct urb *urb)
priv->transient = 4;
priv->setup_done = 0;
resubmit = 0;
- dbg("%s(): scheduling setup_line()",
- __func__);
+ dev_dbg(&port->dev, "%s(): scheduling setup_line()\n", __func__);
schedule_delayed_work(&priv->delayed_setup_work, 0);
}
}
@@ -826,7 +807,7 @@ static void oti6858_read_int_callback(struct urb *urb)
if (resubmit) {
int result;
-/* dbg("%s(): submitting interrupt urb", __func__); */
+/* dev_dbg(&urb->dev->dev, "%s(): submitting interrupt urb\n", __func__); */
result = usb_submit_urb(urb, GFP_ATOMIC);
if (result != 0) {
dev_err(&urb->dev->dev,
@@ -851,7 +832,7 @@ static void oti6858_read_bulk_callback(struct urb *urb)
spin_unlock_irqrestore(&priv->lock, flags);
if (status != 0) {
- dbg("%s(): unable to handle the error, exiting", __func__);
+ dev_dbg(&urb->dev->dev, "%s(): unable to handle the error, exiting\n", __func__);
return;
}
@@ -885,15 +866,13 @@ static void oti6858_write_bulk_callback(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(&urb->dev->dev, "%s(): urb shutting down with status: %d\n", __func__, status);
priv->flags.write_urb_in_use = 0;
return;
default:
/* error in the urb, so we have to resubmit it */
- dbg("%s(): nonzero write bulk status received: %d",
- __func__, status);
- dbg("%s(): overflow in write", __func__);
+ dev_dbg(&urb->dev->dev, "%s(): nonzero write bulk status received: %d\n", __func__, status);
+ dev_dbg(&urb->dev->dev, "%s(): overflow in write\n", __func__);
port->write_urb->transfer_buffer_length = 1;
result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
@@ -908,7 +887,7 @@ static void oti6858_write_bulk_callback(struct urb *urb)
priv->flags.write_urb_in_use = 0;
/* schedule the interrupt urb if we are still open */
- dbg("%s(): submitting interrupt urb", __func__);
+ dev_dbg(&port->dev, "%s(): submitting interrupt urb\n", __func__);
result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
if (result != 0) {
dev_err(&port->dev, "%s(): failed submitting int urb,"
@@ -922,7 +901,3 @@ MODULE_DESCRIPTION(OTI6858_DESCRIPTION);
MODULE_AUTHOR(OTI6858_AUTHOR);
MODULE_VERSION(OTI6858_VERSION);
MODULE_LICENSE("GPL");
-
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "enable debug output");
-
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-30 23:31:10 +0000