*/
/* control interface reports status changes with "interrupt" transfers */
-static void acm_ctrl_irq(struct urb *urb, struct pt_regs *regs)
+static void acm_ctrl_irq(struct urb *urb)
{
struct acm *acm = urb->context;
struct usb_cdc_notification *dr = urb->transfer_buffer;
}
/* data interface returns incoming bytes, or we got unthrottled */
-static void acm_read_bulk(struct urb *urb, struct pt_regs *regs)
+static void acm_read_bulk(struct urb *urb)
{
struct acm_rb *buf;
struct acm_ru *rcv = urb->context;
struct acm_rb *buf;
struct tty_struct *tty = acm->tty;
struct acm_ru *rcv;
- //unsigned long flags;
+ unsigned long flags;
int i = 0;
dbg("Entering acm_rx_tasklet");
return;
next_buffer:
- spin_lock(&acm->read_lock);
+ spin_lock_irqsave(&acm->read_lock, flags);
if (list_empty(&acm->filled_read_bufs)) {
- spin_unlock(&acm->read_lock);
+ spin_unlock_irqrestore(&acm->read_lock, flags);
goto urbs;
}
buf = list_entry(acm->filled_read_bufs.next,
struct acm_rb, list);
list_del(&buf->list);
- spin_unlock(&acm->read_lock);
+ spin_unlock_irqrestore(&acm->read_lock, flags);
dbg("acm_rx_tasklet: procesing buf 0x%p, size = %d", buf, buf->size);
memmove(buf->base, buf->base + i, buf->size - i);
buf->size -= i;
spin_unlock(&acm->throttle_lock);
- spin_lock(&acm->read_lock);
+ spin_lock_irqsave(&acm->read_lock, flags);
list_add(&buf->list, &acm->filled_read_bufs);
- spin_unlock(&acm->read_lock);
+ spin_unlock_irqrestore(&acm->read_lock, flags);
return;
}
spin_unlock(&acm->throttle_lock);
- spin_lock(&acm->read_lock);
+ spin_lock_irqsave(&acm->read_lock, flags);
list_add(&buf->list, &acm->spare_read_bufs);
- spin_unlock(&acm->read_lock);
+ spin_unlock_irqrestore(&acm->read_lock, flags);
goto next_buffer;
urbs:
while (!list_empty(&acm->spare_read_bufs)) {
- spin_lock(&acm->read_lock);
+ spin_lock_irqsave(&acm->read_lock, flags);
if (list_empty(&acm->spare_read_urbs)) {
- spin_unlock(&acm->read_lock);
+ spin_unlock_irqrestore(&acm->read_lock, flags);
return;
}
rcv = list_entry(acm->spare_read_urbs.next,
struct acm_ru, list);
list_del(&rcv->list);
- spin_unlock(&acm->read_lock);
+ spin_unlock_irqrestore(&acm->read_lock, flags);
buf = list_entry(acm->spare_read_bufs.next,
struct acm_rb, list);
free-urbs-pool and resubmited ASAP */
if (usb_submit_urb(rcv->urb, GFP_ATOMIC) < 0) {
list_add(&buf->list, &acm->spare_read_bufs);
- spin_lock(&acm->read_lock);
+ spin_lock_irqsave(&acm->read_lock, flags);
list_add(&rcv->list, &acm->spare_read_urbs);
- spin_unlock(&acm->read_lock);
+ spin_unlock_irqrestore(&acm->read_lock, flags);
return;
}
}
}
/* data interface wrote those outgoing bytes */
-static void acm_write_bulk(struct urb *urb, struct pt_regs *regs)
+static void acm_write_bulk(struct urb *urb)
{
struct acm *acm = (struct acm *)urb->context;
schedule_work(&acm->work);
}
-static void acm_softint(void *private)
+static void acm_softint(struct work_struct *work)
{
- struct acm *acm = private;
+ struct acm *acm = container_of(work, struct acm, work);
dbg("Entering acm_softint.");
if (!ACM_READY(acm))
5, 6, 7, 8
};
-static void acm_tty_set_termios(struct tty_struct *tty, struct termios *termios_old)
+static void acm_tty_set_termios(struct tty_struct *tty, struct ktermios *termios_old)
{
struct acm *acm = tty->driver_data;
- struct termios *termios = tty->termios;
+ struct ktermios *termios = tty->termios;
struct usb_cdc_line_coding newline;
int newctrl = acm->ctrlout;
/* workaround for switched endpoints */
- if ((epread->bEndpointAddress & USB_DIR_IN) != USB_DIR_IN) {
+ if (!usb_endpoint_dir_in(epread)) {
/* descriptors are swapped */
struct usb_endpoint_descriptor *t;
dev_dbg(&intf->dev,"The data interface has switched endpoints");
acm->rx_buflimit = num_rx_buf;
acm->urb_task.func = acm_rx_tasklet;
acm->urb_task.data = (unsigned long) acm;
- INIT_WORK(&acm->work, acm_softint, acm);
+ INIT_WORK(&acm->work, acm_softint);
spin_lock_init(&acm->throttle_lock);
spin_lock_init(&acm->write_lock);
spin_lock_init(&acm->read_lock);
{ USB_DEVICE(0x0482, 0x0203), /* KYOCERA AH-K3001V */
.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
},
+ { USB_DEVICE(0x079b, 0x000f), /* BT On-Air USB MODEM */
+ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
+ },
{ USB_DEVICE(0x0ace, 0x1608), /* ZyDAS 56K USB MODEM */
.driver_info = SINGLE_RX_URB, /* firmware bug */
},
* TTY driver structures.
*/
-static struct tty_operations acm_ops = {
+static const struct tty_operations acm_ops = {
.open = acm_tty_open,
.close = acm_tty_close,
.write = acm_tty_write,