linux-kernel - Re: [PATCH 4/6] parisc: rtc: provide rtc_class

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Date:	Wed, 2 Mar 2016 01:19:46 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	kbuild-all@...org,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	linux-arm-kernel@...ts.infradead.org,
	Kyle McMartin <kyle@...artin.ca>, rtc-linux@...glegroups.com,
	Alessandro Zummo <a.zummo@...ertech.it>,
	linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org,
	linux-parisc@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
	Arnd Bergmann <arnd@...db.de>,
	"James E.J. Bottomley" <jejb@...isc-linux.org>,
	Helge Deller <deller@....de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/6] parisc: rtc: provide rtc_class_ops directly

Hi Arnd,

[auto build test ERROR on abelloni/rtc-next]
[also build test ERROR on v4.5-rc6 next-20160301]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Arnd-Bergmann/rtc-generic-follow-up-for-COMPILE_TEST/20160302-011032
base:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
config: parisc-allyesconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=parisc 

All error/warnings (new ones prefixed by >>):

   arch/parisc/kernel/time.c: In function 'rtc_generic_get_time':
>> arch/parisc/kernel/time.c:232:9: error: 'wtime' undeclared (first use in this function)
     memset(wtime, 0, sizeof(*wtime));
            ^
   arch/parisc/kernel/time.c:232:9: note: each undeclared identifier is reported only once for each function it appears in
>> arch/parisc/kernel/time.c:237:2: warning: passing argument 2 of 'rtc_time64_to_tm' from incompatible pointer type
     rtc_time64_to_tm(tod_data.tod_sec, &tm);
     ^
   In file included from arch/parisc/kernel/time.c:15:0:
   include/linux/rtc.h:23:13: note: expected 'struct rtc_time *' but argument is of type 'struct rtc_time **'
    extern void rtc_time64_to_tm(time64_t time, struct rtc_time *tm);
                ^

vim +/wtime +232 arch/parisc/kernel/time.c

   226	}
   227	
   228	static int rtc_generic_get_time(struct device *dev, struct rtc_time *tm)
   229	{
   230		struct pdc_tod tod_data;
   231	
 > 232		memset(wtime, 0, sizeof(*wtime));
   233		if (pdc_tod_read(&tod_data) < 0)
   234			return -EOPNOTSUPP;
   235	
   236		/* we treat tod_sec as unsigned, so this can work until year 2106 */
 > 237		rtc_time64_to_tm(tod_data.tod_sec, &tm);
   238		return rtc_valid_tm(tm);
   239	}
   240	

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0-DAY kernel test infrastructure                Open Source Technology Center
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