linux-kernel - Re: [PATCH v1 1/4] rtc: pcf2127: fix reading uninitialized value on RTC_READ

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Date:	Sun, 18 Oct 2015 02:14:28 +0200
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	Alessandro Zummo <a.zummo@...ertech.it>,
	rtc-linux@...glegroups.com, kernel@...gutronix.de,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/4] rtc: pcf2127: fix reading uninitialized value on
 RTC_READ_VL ioctl

On 02/10/2015 at 11:17:19 +0200, Uwe Kleine-König wrote :
> The flag reported on the RTC_READ_VL ioctl is only initialized when the
> date is read out. So the voltage low value doesn't represent reality but
> the status at the time the date was read (or 0 if the date was not read
> yet).
> 
> Moreover when userspace requests a value via an ioctl there is no added
> benefit to also make a prosa representation of this (and other) values
> appear in the kernel log so remove the calls to dev_info and the driver
> data members to track their state.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Applied, thanks.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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