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| author | Pat Gefre <pfg@sgi.com> | 2005-06-23 00:09:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-23 09:45:27 -0700 |
| commit | 328007b70c8e99c62eef5bc310d8a21d0e937342 (patch) | |
| tree | 65d1ccbcd0a79d331a8cf95498505b8829ec621f /drivers | |
| parent | 618f06362ae3f60f95d7b0e666de25ee6ae35679 (diff) | |
| download | linux-3.10-328007b70c8e99c62eef5bc310d8a21d0e937342.tar.gz linux-3.10-328007b70c8e99c62eef5bc310d8a21d0e937342.tar.bz2 linux-3.10-328007b70c8e99c62eef5bc310d8a21d0e937342.zip | |
[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.c | 1 |
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; } |