lkml.org 
[lkml]   [2024]   [Feb]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 1/1] watchdog/hpwdt: Support Suspend and Resume
Date
Add call backs to support suspend and resume.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
---
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");
--
2.43.0

\
 
 \ /
  Last update: 2024-05-27 15:02    [W:0.033 / U:0.252 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site