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Date:   Tue, 4 Apr 2017 19:56:51 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     Andrey Smirnov <andrew.smirnov@...il.com>,
        linux-watchdog@...r.kernel.org, Chris Healy <cphealy@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Wim Van Sebroeck <wim@...ana.be>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] watchdog: core: Make use of devm_register_reboot_notifier()

On Tue, Apr 4, 2017 at 7:51 PM, Guenter Roeck <linux@...ck-us.net> wrote:
> On 04/04/2017 08:47 AM, Andy Shevchenko wrote:
>> On Tue, Apr 4, 2017 at 5:10 PM, Andrey Smirnov <andrew.smirnov@...il.com>
>> wrote:

>>> +               ret = devm_register_reboot_notifier(wdd->parent,
>>> +                                                   &wdd->reboot_nb);
>>
>>
>> I'm not sure it's logically correct. Perhaps binding to the actual
>> watchdog device would be better.
>> Though, Guenter can correct me.
>>
>
> As mentioned in my other reply, it doesn't work since wdd->parent can be
> NULL.
> It might be possible to move the code into watchdog_dev_register() and tie
> it
> to the watchdog device, but I have not explored what that would require.

I would rather add device pointer to watchdoig struct, though it's your call :-)
So, what you decide I'll agree with.

-- 
With Best Regards,
Andy Shevchenko

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