tty patches in 2.6.13-mm3 (was Re: 2.6.13-mm1)

[serue@us.ibm.com]

Quoting Alan Cox (alan@redhat.com):
> On Thu, Sep 01, 2005 at 04:26:02PM -0500, Joel Schopp wrote:
> > It's like whack a mole.  30 more now in drivers/serial/jsm/jsm_tty.c and 
> >  drivers/serial/icom.c

Hi,

I'm not sure whether these are going in through some other channel,
but I notice neither the Alan's hvcs.c or icom.c patches are in
2.6.13-mm3.  In addition, hvc_console.c needs yet another...

> Keep whacking - obviously I don't have a PPC64 (*and please don't send
> me one*)

I do have one, but have been gone for awhile.  But am willing and
eager to test (and get it working again :)

thanks,
-serge

Signed-off-by: Serge Hallyn <serue@us.ibm.com>

Index: linux-2.6.12/drivers/char/hvc_console.c
===================================================================
--- linux-2.6.12.orig/drivers/char/hvc_console.c	2005-09-12 15:08:41.000000000 -0500
+++ linux-2.6.12/drivers/char/hvc_console.c	2005-09-12 15:52:08.000000000 -0500
@@ -597,7 +597,7 @@ static int hvc_poll(struct hvc_struct *h
 
 	/* Read data if any */
 	for (;;) {
-		count = tty_buffer_request_room(tty, N_INBUF);
+		int count = tty_buffer_request_room(tty, N_INBUF);
 
 		/* If flip is full, just reschedule a later read */
 		if (count == 0) {
@@ -633,7 +633,7 @@ static int hvc_poll(struct hvc_struct *h
 			tty_insert_flip_char(tty, buf[i], 0);
 		}
 
-		if (tty->flip.count)
+		if (tty_buffer_request_room(tty, 1))
 			tty_schedule_flip(tty);
 
 		/*
-
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