linux-kernel - Re: BUG: rtc: rtc_device_unregister() broken in 3.10-rcN

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Date:	Tue, 18 Jun 2013 10:59:19 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Alexander Holler' <holler@...oftware.de>
Cc:	linux-kernel@...r.kernel.org, rtc-linux@...glegroups.com,
	'Andrew Morton' <akpm@...ux-foundation.org>,
	'John Stultz' <john.stultz@...aro.org>,
	Jingoo Han <jg1.han@...sung.com>,
	Sachin Kamat <sachin.kamat@...aro.org>,
	'Dmitry Torokhov' <dmitry.torokhov@...il.com>
Subject: Re: BUG: rtc: rtc_device_unregister() broken in 3.10-rcN

On Tuesday, June 18, 2013 12:40 AM, Alexander Holler wrote:
> Am 14.06.2013 19:19, schrieb Alexander Holler:
> > Hello,
> >
> > I've just tested some things with 3.10-rc5+ and discovered that
> > rtc_device_unregister is broken. This is most likely because of the
> > switch to devm*. As 3.10 is already at -rc5, I'm posting this without

CC'ed Dmitry Torokhov, Sachin Kamat


Hi Alexander,

You are using 'drivers/rtc/rtc-hid-sensor-time.c', right?
If so, would you revert '479243b rtc: hid-sensor-time: use devm_rtc_device_register()',
and give the result?


Hi Dmitry, Sachin,
You can see the kernel debug message, when the problem happens.
(http://lists-archives.com/linux-kernel/27855385-bug-rtc-rtc_unregister_device-broken-in-3-10-rcn.html)


Best regards,
Jingoo Han

> 
> Just in case the question arises, this worked and works perfectly with
> 3.9.x, so maybe I should have named it REGRESSION rather than BUG.
> 
> Regards,
> 
> Alexander
> 
> PS: I changed typo in the subject from rtc_unregister_device to
> rtc_device_unregister

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