Subject: [PATCH 2/2] USB: serial: sierra driver sync with Knowledge Base
From: Elina Pasheva <epasheva@xxxxxxxxxxxxxxxxxx>
The following summarizes the changes in [PATCH 2/2] sierra driver:
[PATCH 2/2] sierra driver sync with SWI Knowledge Base:
- Added provisions to enable debugging by using DEBUG definition
- Added debug statement in sierra_write_room()
- Version number set to 1.7.0 to match our Knowledge Base.
Signed-off-by: Elina Pasheva <epasheva@xxxxxxxxxxxxxxxxxx>
---
drivers/usb/serial/sierra.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/drivers/usb/serial/sierra.c 2009-05-22 15:58:21.000000000 -0700
+++ b/drivers/usb/serial/sierra.c 2009-05-22 16:08:18.000000000 -0700
@@ -17,7 +17,9 @@
Whom based his on the Keyspan driver by Hugh Blemings <hugh@xxxxxxxxxxxx>
*/
-#define DRIVER_VERSION "v.1.3.7"
+/* Uncomment to log function calls */
+/*#define DEBUG*/
+#define DRIVER_VERSION "v.1.7.0"
#define DRIVER_AUTHOR "Kevin Lloyd, Elina Pasheva, Matthew Safar, Rory Filer"
#define DRIVER_DESC "USB Driver for Sierra Wireless USB modems"
@@ -597,6 +599,8 @@ 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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