lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Wed, 14 Feb 2024 09:49:40 -0700
From: Jerry Hoemann <jerry.hoemann@....com>
To: linux@...ck-us.net
Cc: wim@...ux-watchdog.org, linux-watchdog@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jerry Hoemann <jerry.hoemann@....com>
Subject: [PATCH v2 1/1] watchdog/hpwdt: Support Suspend and Resume

Add call backs to support suspend and resume.

Signed-off-by: Jerry Hoemann <jerry.hoemann@....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


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ