提交 fcf1dd7e 编写于 作者: D Denis Turischev 提交者: Wim Van Sebroeck

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: NDenis Turischev <denis@compulab.co.il>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
上级 86913315
......@@ -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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