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watchdog: hpwdt: Disable PreTimeout when Timeout is smaller 

During module install, disable pretimeout if the requested timeout
value is not greater than the minimal pretimeout value that is
supported by hardware.

This makes the module load handling of pretimeout consistent
with the ioctl handling of pretimeout.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Jerry Hoemann 2018-09-21 14:50:39 -06:00 committed by Wim Van Sebroeck
parent 57cbf0e3a0
commit 10d790d1fa
1 changed files with 4 additions and 0 deletions
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4
drivers/watchdog/hpwdt.c
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@ -311,6 +311,10 @@ static int hpwdt_init_one(struct pci_dev *dev,
if (watchdog_init_timeout(&hpwdt_dev, soft_margin, NULL))
dev_warn(&dev->dev, "Invalid soft_margin: %d.\n", soft_margin);
if (pretimeout && hpwdt_dev.timeout <= PRETIMEOUT_SEC) {
dev_warn(&dev->dev, "timeout <= pretimeout. Setting pretimeout to zero\n");
pretimeout = 0;
}
hpwdt_dev.pretimeout = pretimeout ? PRETIMEOUT_SEC : 0;
hpwdt_dev.parent = &dev->dev;