linux-kernel - Re: [PATCH 1/4] watchdog: hpwdt: Initialize pretimeout from module parameter.

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Date:   Tue, 7 Aug 2018 09:46:26 -0600
From:   Jerry Hoemann <jerry.hoemann@....com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     wim@...ux-watchdog.org, linux-watchdog@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] watchdog: hpwdt: Initialize pretimeout from module
 parameter.

On Sat, Aug 04, 2018 at 06:08:17PM -0700, Guenter Roeck wrote:
> On 08/02/2018 02:15 PM, Jerry Hoemann wrote:
> > When the pretimeout is specified as a module parameter, the
> > value should be reflected in hpwdt_dev.pretimeout.  The default
> > (on) case is correct.  But, when disabling pretimeout, the value
> > should be set to zero in hpwdt_dev.
> > 
> > Signed-off-by: Jerry Hoemann <jerry.hoemann@....com>
> > ---
> >   drivers/watchdog/hpwdt.c | 5 +++++
> >   1 file changed, 5 insertions(+)
> > 
> > diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
> > index 9dc62a4..369022d 100644
> > --- a/drivers/watchdog/hpwdt.c
> > +++ b/drivers/watchdog/hpwdt.c
> > @@ -313,6 +313,11 @@ static int hpwdt_init_one(struct pci_dev *dev,
> >   	if (watchdog_init_timeout(&hpwdt_dev, soft_margin, NULL))
> >   		dev_warn(&dev->dev, "Invalid soft_margin: %d.\n", soft_margin);
> > +#ifdef CONFIG_HPWDT_NMI_DECODING
> > +	if (!pretimeout)
> > +		hpwdt_dev.pretimeout = 0;
> > +#endif
> > +
> 
> Seems to me that
> 	hpwdt_dev.pretimeout = pretimeout ? PRETIMEOUT_SEC : 0;
> would accomplish the same without ifdef. Also, that would make
> the conditional initialization in hpwdt_dev unnecessary,
> saving us some more ifdefs.
> 
> Guenter

Will do.

Thanks.

-- 

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Jerry Hoemann                  Software Engineer   Hewlett Packard Enterprise
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