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[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>
This commit is contained in:
Pat Gefre 2005-06-23 00:09:54 -07:00 committed by Linus Torvalds
parent 618f06362a
commit 328007b70c
1 changed files with 1 additions and 0 deletions
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drivers/serial/sn_console.c
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@ -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)) { if (uart_circ_empty(xmit) || uart_tx_stopped(&port->sc_port)) {
/* Nothing to do. */ /* Nothing to do. */
ia64_sn_console_intr_disable(SAL_CONSOLE_INTR_XMIT);
return; return;
} }