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[WATCHDOG] iTCO_wdt : correct status clearing

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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>
This commit is contained in:
Wim Van Sebroeck 2008-11-19 20:02:02 +00:00
parent 7cd5b08be3
commit c6904ddb97
1 changed files with 3 additions and 2 deletions
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5
drivers/watchdog/iTCO_wdt.c
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@ -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();