[PATCH 1/1] Char: moxa, fix and optimise empty timer
From: Jiri Slaby
Date: Wed Jul 25 2007 - 17:43:17 EST
moxa, fix and optimise empty timer
don't wait and delete empty timer in empty timer function. Also fire next
empty timer at rounded jiffies to save power.
Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>
---
commit da52793b6347e8b6b048526ce2422e29b20bb335
tree ad0bee78e45beef89dc740f81e0606d782296542
parent 3a69b463dcad1ff142f46e8fb74e7dc5a092eb60
author Jiri Slaby <jirislaby@xxxxxxxxx> Wed, 25 Jul 2007 23:42:49 +0200
committer Jiri Slaby <jirislaby@xxxxxxxxx> Wed, 25 Jul 2007 23:42:49 +0200
drivers/char/moxa.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index ed76f0a..5000b3b 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -1040,14 +1040,14 @@ static void check_xmit_empty(unsigned long data)
struct moxa_port *ch;
ch = (struct moxa_port *) data;
- del_timer_sync(&moxa_ports[ch->port].emptyTimer);
if (ch->tty && (ch->statusflags & EMPTYWAIT)) {
if (MoxaPortTxQueue(ch->port) == 0) {
ch->statusflags &= ~EMPTYWAIT;
tty_wakeup(ch->tty);
return;
}
- mod_timer(&moxa_ports[ch->port].emptyTimer, jiffies + HZ);
+ mod_timer(&moxa_ports[ch->port].emptyTimer,
+ round_jiffies(jiffies + HZ));
} else
ch->statusflags &= ~EMPTYWAIT;
}
-
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