From 12b8ab42e1c509121a8d4fae1ba57d3d0f22f571 Mon Sep 17 00:00:00 2001 From: Jerry Hoemann Date: Wed, 14 Feb 2024 09:49:40 -0700 Subject: watchdog/hpwdt: Support Suspend and Resume Add call backs to support suspend and resume. Signed-off-by: Jerry Hoemann Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/20240214164941.630775-2-jerry.hoemann@hpe.com Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/hpwdt.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 138dc8d8ca3d..ae30e394d176 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -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"); -- cgit v1.2.3-59-g8ed1b