[WATCHDOG] iTCO_wdt : correct status clearing



The iTCO_wdt code was not clearing the correct bits.
It now clears the timeout status bit and then the
SECOND_TO_STS bit and then the BOOT_STS bit.
Note: we should first clear the SECOND_TO_STS bit
before clearing the BOOT_STS bit.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

parent 7cd5b08b

drivers/watchdog/iTCO_wdt.c

+3 −2

Original line number	Diff line number	Diff line
		@@ -684,8 +684,9 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
		TCOBASE);

		/* Clear out the (probably old) status */
		outb(0, TCO1_STS);
		outb(3, TCO2_STS);
		outb(8, TCO1_STS); /* Clear the Time Out Status bit */
		outb(2, TCO2_STS); /* Clear SECOND_TO_STS bit */
		outb(4, TCO2_STS); /* Clear BOOT_STS bit */

		/* Make sure the watchdog is not running */
		iTCO_wdt_stop();