Gitweb: http://git.kernel.org/linus/fcf1dd7e68ceb6420478c8d89d35b4745d0b2f42
Commit: fcf1dd7e68ceb6420478c8d89d35b4745d0b2f42
Parent: 86913315de5ed13debd1566dfea15c4179b1f0c0
Author: Denis Turischev <denis@compulab.co.il>
AuthorDate: Thu Apr 22 19:50:03 2010 +0300
Committer: Wim Van Sebroeck <wim@iguana.be>
CommitDate: Mon Apr 26 18:17:34 2010 +0000
watchdog: sbc_fitpc2_wdt: fixed I/O operations order
There are fitpc2 compatible boards that hang with existent i/o
operations order. Solution is to switch between writing to data
and command ports.
Signed-off-by: Denis Turischev <denis@compulab.co.il>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
---
drivers/watchdog/sbc_fitpc2_wdt.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/watchdog/sbc_fitpc2_wdt.c b/drivers/watchdog/sbc_fitpc2_wdt.c
index 8d44c9b..2e44dd4 100644
--- a/drivers/watchdog/sbc_fitpc2_wdt.c
+++ b/drivers/watchdog/sbc_fitpc2_wdt.c
@@ -45,10 +45,10 @@ static DEFINE_SPINLOCK(wdt_lock);
static void wdt_send_data(unsigned char command, unsigned char data)
{
- outb(command, COMMAND_PORT);
- msleep(100);
outb(data, DATA_PORT);
msleep(200);
+ outb(command, COMMAND_PORT);
+ msleep(100);
}
static void wdt_enable(void)
--
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