From: Jerry Hoemann <jerry.hoemann@hpe.com>
To: linux@roeck-us.net
Cc: wim@linux-watchdog.org, linux-watchdog@vger.kernel.org,
linux-kernel@vger.kernel.org,
Jerry Hoemann <jerry.hoemann@hpe.com>
Subject: [PATCH] watchdog/hpwdt: Support Suspend and Resume
Date: Tue, 13 Feb 2024 00:02:03 -0700 [thread overview]
Message-ID: <20240213070203.489846-1-jerry.hoemann@hpe.com> (raw)
Add call backs to support suspend and resume.
Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
---
drivers/watchdog/hpwdt.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 138dc8d8ca3d..6565cfaa8e57 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -378,11 +378,38 @@ static void hpwdt_exit(struct pci_dev *dev)
pci_disable_device(dev);
}
+static int hpwdt_suspend(struct device *dev)
+{
+ dev_dbg(dev, "Suspend watchdog\n");
+
+ if (watchdog_active(&hpwdt_dev))
+ hpwdt_stop();
+
+ return 0;
+}
+
+static int hpwdt_resume(struct device *dev)
+{
+ dev_dbg(dev, "Resume watchdog\n");
+
+ if (watchdog_active(&hpwdt_dev))
+ hpwdt_start(&hpwdt_dev);
+
+ return 0;
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(hpwdt_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");
--
2.43.0
next reply other threads:[~2024-02-13 7:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-13 7:02 Jerry Hoemann [this message]
2024-02-13 16:12 ` [PATCH] watchdog/hpwdt: Support Suspend and Resume Guenter Roeck
2024-02-14 3:15 ` Jerry Hoemann
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