[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <a4313c63-73e0-4a38-8d9b-5c5eccf0b5e0@roeck-us.net>
Date: Wed, 14 Feb 2024 08:55:52 -0800
From: Guenter Roeck <linux@...ck-us.net>
To: Jerry Hoemann <jerry.hoemann@....com>
Cc: wim@...ux-watchdog.org, linux-watchdog@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] watchdog/hpwdt: Support Suspend and Resume
On 2/14/24 08:49, Jerry Hoemann wrote:
> Add call backs to support suspend and resume.
>
> Signed-off-by: Jerry Hoemann <jerry.hoemann@....com>
Reviewed-by: Guenter Roeck <linux@...ck-us.net>
> ---
> 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");
Powered by blists - more mailing lists