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watchdog: sbc_fitpc2_wdt: fixed I/O operations order

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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>
This commit is contained in:
Denis Turischev 2010-04-22 19:50:03 +03:00 • committed by Wim Van Sebroeck
parent 86913315de
commit fcf1dd7e68
1 changed files with 2 additions and 2 deletions
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4
drivers/watchdog/sbc_fitpc2_wdt.c
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@ -45,10 +45,10 @@ static DEFINE_SPINLOCK(wdt_lock);
static void wdt_send_data(unsigned char command, unsigned char data) static void wdt_send_data(unsigned char command, unsigned char data)
{ {
outb(command, COMMAND_PORT);
msleep(100);
outb(data, DATA_PORT); outb(data, DATA_PORT);
msleep(200); msleep(200);
outb(command, COMMAND_PORT);
msleep(100);
} }
static void wdt_enable(void) static void wdt_enable(void)