[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>

diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index 75483000a87d7eabd5b7b0f5ffeaa44550bc582f..2b5409f5b4e67b02d3677e4037c0c1e22f6a9d75 100644 (file)
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -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();