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watchdog/hpwdt: Support Suspend and Resume

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Add call backs to support suspend and resume.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20240214164941.630775-2-jerry.hoemann@hpe.com
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 2024-02-14 09:49:40 -07:00 committed by Wim Van Sebroeck
parent 588b82546d
commit 12b8ab42e1
1 changed files with 25 additions and 0 deletions
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25
drivers/watchdog/hpwdt.c
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@ -378,11 +378,36 @@ static void hpwdt_exit(struct pci_dev *dev)
pci_disable_device(dev);
}
static int hpwdt_suspend(struct device *dev)
{
if (watchdog_active(&hpwdt_dev))
hpwdt_stop();
return 0;
}
static int hpwdt_resume(struct device *dev)
{
if (watchdog_active(&hpwdt_dev))
hpwdt_start(&hpwdt_dev);
return 0;
}
static const struct dev_pm_ops hpwdt_pm_ops = {
LATE_SYSTEM_SLEEP_PM_OPS(hpwdt_suspend, hpwdt_resume)
};
static struct pci_driver hpwdt_driver = {
.name = "hpwdt",
.id_table = hpwdt_devices,
.probe = hpwdt_init_one,
.remove = hpwdt_exit,
.driver = {
.name = "hpwdt",
.pm = &hpwdt_pm_ops,
}
};
MODULE_AUTHOR("Tom Mingarelli");