I/O operations order fix for SBC-FITPC2 watchdog

Denis Turischev
2010-04-22T16:51:08Z

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>
---
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..226f0f2 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)