Hi Greg,
> Bleah. What really needs to happen is to convert to using the serial
> core, which should fix a lot of things. The main thing holding that
> back is just time, I don't have it right now :(
For now, i fixed the problem by disabling the tty_wait_until_sent stuff:
===== digi_acceleport.c 1.31 vs edited =====
--- 1.31/drivers/usb/serial/digi_acceleport.c Fri Jan 10 21:27:29 2003
+++ edited/digi_acceleport.c Fri Jan 10 21:30:05 2003
@@ -1559,11 +1559,16 @@
/* tell line discipline to process only XON/XOFF */
tty->closing = 1;
+ /* FIXME: this causes deadlock on semaphore in the generic
+ * driver. Probably, generic code like this shouldn't
+ * be in the device specific code, anyways...
+ */
+#if 0
/* wait for output to drain */
if( (filp->f_flags&(O_NDELAY|O_NONBLOCK)) == 0 ) {
tty_wait_until_sent( tty, DIGI_CLOSE_TIMEOUT );
}
-
+#endif
/* flush driver and line discipline buffers */
if( tty->driver.flush_buffer )
tty->driver.flush_buffer( tty );
--jochen
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