Subject: [PATCH 1/3] USB: serial: sierra driver adding direct IP device
From: Elina Pasheva <epasheva@xxxxxxxxxxxxxxxxxx>
The following is summary of changes we have made to sierra.c driver in
[PATCH 1/3] sierra driver adding direct IP device:
- Added direct IP device in id_table
- Added debug statement in sierra_write_room()
Signed-off-by: Elina Pasheva <epasheva@xxxxxxxxxxxxxxxxxx>
---
drivers/usb/serial/sierra.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/usb/serial/sierra.c 2009-05-06 16:42:59.000000000 -0700
+++ b/drivers/usb/serial/sierra.c 2009-05-06 17:02:43.000000000 -0700
@@ -235,6 +235,10 @@ static struct usb_device_id id_table []
{ USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
{ USB_DEVICE(0x0F3D, 0x0112) }, /* Airprime/Sierra PC 5220 */
+ { USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless Direct IP modems */
+ .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
+ },
+
{ }
};
MODULE_DEVICE_TABLE(usb, id_table);
@@ -596,6 +600,8 @@ static int sierra_write_room(struct tty_
/* try to give a good number back based on if we have any free urbs at
* this point in time */
spin_lock_irqsave(&portdata->lock, flags);
+ dev_dbg(&port->dev, "%s - outstanding_urbs: %d\n", __func__,
+ portdata->outstanding_urbs);
if (portdata->outstanding_urbs > N_OUT_URB * 2 / 3) {
spin_unlock_irqrestore(&portdata->lock, flags);
dev_dbg(&port->dev, "%s - write limit hit\n", __func__);
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