From fcf1dd7e68ceb6420478c8d89d35b4745d0b2f42 Mon Sep 17 00:00:00 2001 From: Denis Turischev Date: Thu, 22 Apr 2010 19:50:03 +0300 Subject: [PATCH] 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 Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/sbc_fitpc2_wdt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/watchdog/sbc_fitpc2_wdt.c b/drivers/watchdog/sbc_fitpc2_wdt.c index 8d44c9b6fb5b..2e44dd4e7c1b 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) -- GitLab