speedtch speedtch.c,1.50,1.51

[Duncan Sands]

Update of /home/cvs/speedtch
In directory phoenix.infradead.org:/tmp/cvs-serv24721

Modified Files:
	speedtch.c 
Log Message:
Dethrottle if things start working again.  Print a message if we disable polling.


Index: speedtch.c
===================================================================
RCS file: /home/cvs/speedtch/speedtch.c,v
retrieving revision 1.50
retrieving revision 1.51
diff -u -r1.50 -r1.51
--- speedtch.c	22 Apr 2005 07:50:02 -0000	1.50
+++ speedtch.c	22 Apr 2005 08:12:36 -0000	1.51
@@ -490,6 +490,9 @@
 		return;
 	}
 
+	if (instance->poll_delay > SPEEDTCH_MIN_POLL_DELAY)
+		instance->poll_delay /= 2;
+
 	atm_dbg(usbatm, "%s: line state %02x\n", __func__, buf[OFFSET_7]);
 
 	switch (buf[OFFSET_7]) {
@@ -555,6 +558,8 @@
 	/* The following check is racy, but the race is harmless */
 	if (instance->poll_delay < SPEEDTCH_MAX_POLL_DELAY)
 		mod_timer(&instance->poll_timer, jiffies + msecs_to_jiffies(instance->poll_delay));
+	else
+		atm_warn(instance->usbatm, "Too many failures - disabling line status polling\n");
 }
 
 static int speedtch_atm_start(struct usbatm_data *usbatm, struct atm_dev *atm_dev)