linux-kernel - Re: [abelloni:rtc-testing 55/55] drivers/rtc/rtc-pcf85063.c:72:19: warning: unused variable 'pcf85063'

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Message-Id: <201603021044.29444.jbe@pengutronix.de>
Date:	Wed, 2 Mar 2016 10:44:29 +0100
From:	Juergen Borleis <jbe@...gutronix.de>
To:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Cc:	kbuild test robot <fengguang.wu@...el.com>,
	rtc-linux@...glegroups.com,
	Alessandro Zummo <a.zummo@...ertech.it>,
	linux-kernel@...r.kernel.org
Subject: Re: [abelloni:rtc-testing 55/55] drivers/rtc/rtc-pcf85063.c:72:19: warning: unused variable 'pcf85063'

Hi Alexandre,

On Tuesday 01 March 2016 23:17:45 kbuild test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git
> rtc-testing head:   58992ebde059d7faeab4c18bc17713c3b4c31208
> commit: 58992ebde059d7faeab4c18bc17713c3b4c31208 [55/55] rtc: pcf85063:
> remove useless century handling config: x86_64-randconfig-x012-201609
> (attached as .config)
> reproduce:
>         git checkout 58992ebde059d7faeab4c18bc17713c3b4c31208
>         # save the attached .config to linux build tree
>         make ARCH=x86_64
>
> All warnings (new ones prefixed by >>):
>
>    drivers/rtc/rtc-pcf85063.c: In function 'pcf85063_get_datetime':
> >> drivers/rtc/rtc-pcf85063.c:72:19: warning: unused variable 'pcf85063'
> >> [-Wunused-variable]
>
>      struct pcf85063 *pcf85063 = i2c_get_clientdata(client);
>                       ^

Due to your removement of the useless century handling the last user of 'struct 
pcf85063' is gone. Seems we can remove this struct entirely. What do you 
think?

Regards,
Juergen

-- 
Pengutronix e.K.                              | Juergen Borleis             |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |