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| author |   Jerry Hoemann <jerry.hoemann@hpe.com> | 2024-02-14 09:49:40 -0700 |
|---|---|---|
| committer |   Wim Van Sebroeck <wim@linux-watchdog.org> | 2024-03-03 14:17:30 +0100 |
| commit | 12b8ab42e1c509121a8d4fae1ba57d3d0f22f571 (patch) | |
| tree | 12bd47fa18c567911c443fcd9e79919c34121f69 | |
| parent | dt-bindings: watchdog: renesas-wdt: Add support for R-Car V4M (diff) | |
| download | wireguard-linux-12b8ab42e1c509121a8d4fae1ba57d3d0f22f571.tar.xz wireguard-linux-12b8ab42e1c509121a8d4fae1ba57d3d0f22f571.zip | |
watchdog/hpwdt: Support Suspend and Resume
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>
| -rw-r--r-- | drivers/watchdog/hpwdt.c | 25 |
1 files changed, 25 insertions, 0 deletions
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"); |