Re: [PATCH 1/6] watchdog/hpwdt: Stop hpwdt on unregister.

[Guenter Roeck]

On Fri, May 17, 2019 at 02:59:38PM -0600, Jerry Hoemann wrote:
> Have the WD core stop the watchdog on unregister instead of explicitly
> calling hpwdt_stop() in hpwdt_exit().
> 
> Signed-off-by: Jerry Hoemann <jerry.hoemann@xxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
>  drivers/watchdog/hpwdt.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
> index ef30c7e..8c49f13 100644
> --- a/drivers/watchdog/hpwdt.c
> +++ b/drivers/watchdog/hpwdt.c
> @@ -310,6 +310,7 @@ static int hpwdt_init_one(struct pci_dev *dev,
>  	if (retval != 0)
>  		goto error_init_nmi_decoding;
>  
> +	watchdog_stop_on_unregister(&hpwdt_dev);
>  	watchdog_set_nowayout(&hpwdt_dev, nowayout);
>  	if (watchdog_init_timeout(&hpwdt_dev, soft_margin, NULL))
>  		dev_warn(&dev->dev, "Invalid soft_margin: %d.\n", soft_margin);
> @@ -350,9 +351,6 @@ static int hpwdt_init_one(struct pci_dev *dev,
>  
>  static void hpwdt_exit(struct pci_dev *dev)
>  {
> -	if (!nowayout)
> -		hpwdt_stop();
> -
>  	watchdog_unregister_device(&hpwdt_dev);
>  	hpwdt_exit_nmi_decoding();
>  	pci_iounmap(dev, pci_mem_addr);