On 2/14/24 08:49, Jerry Hoemann wrote:
Add call backs to support suspend and resume.
Signed-off-by: Jerry Hoemann <jerry.hoemann@xxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
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");
