linux-kernel - Re: [PATCH v2 06/11] watchdog/hpwdt: Modify to use watchdog core.

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Date:   Wed, 14 Feb 2018 13:53:23 -0700
From:   Jerry Hoemann <jerry.hoemann@....com>
To:     Marcus Folkesson <marcus.folkesson@...il.com>
Cc:     wim@...ux-watchdog.org, linux@...ck-us.net,
        linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        rwright@....com, maurice.a.saldivar@....com
Subject: Re: [PATCH v2 06/11] watchdog/hpwdt: Modify to use watchdog core.

On Mon, Feb 12, 2018 at 10:06:21AM +0100, Marcus Folkesson wrote:
> Hi Jerry,
> 
> On Sun, Feb 11, 2018 at 10:21:06PM -0700, Jerry Hoemann wrote:
> > Follow Documentation/watchdog/convert_drivers_to_kernel_api.txt to
> > convert hpwdt from legacy watchdog driver to use the watchdog core.
> > 
> > Removed functions: hpwdt_open, hpwdt_release, hpwdt_write, hpwdt_ioctl
> > Removed data structures: hpwdt_fops, hpwdt_miscdev, watchdog_device
> > Modified functions: hpwdt_start, hpwdt_stop, hpwdt_ping, hpwdt_gettimeleft
> > Added functions: hpwdt_settimeout
> > Added structures: watchdog_device
> > 
> > Signed-off-by: Jerry Hoemann <jerry.hoemann@....com>
> 
> I think it would be better to use
>     dev_emerg()
>     dev_crit()
>     dev_alert()
>     dev_err()
>     dev_warn()
>     dev_notice()
> 
> instead of pr_* functions now when we have a device to use.



> >  }
> > @@ -128,8 +126,10 @@ static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs)
> >  	if ((ulReason == NMI_UNKNOWN) && !mynmi)
> >  		return NMI_DONE;
> >  
> > +	pr_debug("nmi: ulReason=%d, mynmi=0x%0x\n", ulReason, mynmi);
> 
> dev_dbg()
> 

Sorry, wasn't clear on my earlier response.  As hpwdt_pretiemout isn't
being passed a device, this instance will still be a pr_debug.  I have
converted the others to dev_.* in the next version of the series.




-- 

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Jerry Hoemann                  Software Engineer   Hewlett Packard Enterprise
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