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authorPat Gefre <pfg@sgi.com>2005-06-23 00:09:54 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-23 09:45:27 -0700
commit328007b70c8e99c62eef5bc310d8a21d0e937342 (patch)
tree65d1ccbcd0a79d331a8cf95498505b8829ec621f /drivers
parent618f06362ae3f60f95d7b0e666de25ee6ae35679 (diff)
[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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/serial/sn_console.c1
1 files changed, 1 insertions, 0 deletions
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;
}