From 328007b70c8e99c62eef5bc310d8a21d0e937342 Mon Sep 17 00:00:00 2001
From: Pat Gefre <pfg@sgi.com>
Date: Thu, 23 Jun 2005 00:09:54 -0700
Subject: [PATCH] Altix: shut off xmit intr if done xmitting

Small mod to shut off the xmit interrupt if we have nothing to transmit.

Signed-off-by: Patrick Gefre <pfg@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 drivers/serial/sn_console.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'drivers')

diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index fee6418e84c..840815fde49 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -572,6 +572,7 @@ static void sn_transmit_chars(struct sn_cons_port *port, int raw)
 
 	if (uart_circ_empty(xmit) || uart_tx_stopped(&port->sc_port)) {
 		/* Nothing to do. */
+		ia64_sn_console_intr_disable(SAL_CONSOLE_INTR_XMIT);
 		return;
 	}
 
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