[rtc-linux] [abelloni:rtc-next 21/27] drivers/rtc/rtc-sun6i.c:371:18: error: 'rtc' undeclared

[rtc-linux] [abelloni:rtc-next 21/27] drivers/rtc/rtc-sun6i.c:371:18: error: 'rtc' undeclared

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
head:   4c6106406eb18a5aded19540c4b50d262717b959
commit: 524bc1fcaae8e2bc7d1b5a9b42588642bc3ff777 [21/27] rtc: sun6i: Add some locking
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
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
        git checkout 524bc1fcaae8e2bc7d1b5a9b42588642bc3ff777
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

Note: the abelloni/rtc-next HEAD 4c6106406eb18a5aded19540c4b50d262717b959 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   In file included from include/linux/wait.h:8:0,
                    from include/linux/fs.h:5,
                    from drivers/rtc/rtc-sun6i.c:25:
   drivers/rtc/rtc-sun6i.c: In function 'sun6i_rtc_probe':
>> drivers/rtc/rtc-sun6i.c:371:18: error: 'rtc' undeclared (first use in this function)
     spin_lock_init(&rtc->lock);
                     ^
   include/linux/spinlock.h:296:17: note: in definition of macro 'spin_lock_init'
     spinlock_check(_lock);    \
                    ^~~~~
   drivers/rtc/rtc-sun6i.c:371:18: note: each undeclared identifier is reported only once for each function it appears in
     spin_lock_init(&rtc->lock);
                     ^
   include/linux/spinlock.h:296:17: note: in definition of macro 'spin_lock_init'
     spinlock_check(_lock);    \
                    ^~~~~

vim +/rtc +371 drivers/rtc/rtc-sun6i.c

   365		struct resource *res;
   366		int ret;
   367	
   368		chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
   369		if (!chip)
   370			return -ENOMEM;
 > 371		spin_lock_init(&rtc->lock);
   372	
   373		platform_set_drvdata(pdev, chip);
   374		chip->dev = &pdev->dev;

---
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[rtc-linux] Re: [abelloni:rtc-next 21/27] drivers/rtc/rtc-sun6i.c:371:18: error: 'rtc' undeclared

[Alexandre Belloni]

Hi Maxime,

Because that patch was marked for stable, I've fixed it up directly in
my tree.

On 01/02/2017 at 16:32:05 +0800, kbuild test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git rtc-next
> head:   4c6106406eb18a5aded19540c4b50d262717b959
> commit: 524bc1fcaae8e2bc7d1b5a9b42588642bc3ff777 [21/27] rtc: sun6i: Add some locking
> config: arm64-defconfig (attached as .config)
> compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
> 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
>         git checkout 524bc1fcaae8e2bc7d1b5a9b42588642bc3ff777
>         # save the attached .config to linux build tree
>         make.cross ARCH=arm64 
> 
> Note: the abelloni/rtc-next HEAD 4c6106406eb18a5aded19540c4b50d262717b959 builds fine.
>       It only hurts bisectibility.
> 
> All errors (new ones prefixed by >>):
> 
>    In file included from include/linux/wait.h:8:0,
>                     from include/linux/fs.h:5,
>                     from drivers/rtc/rtc-sun6i.c:25:
>    drivers/rtc/rtc-sun6i.c: In function 'sun6i_rtc_probe':
> >> drivers/rtc/rtc-sun6i.c:371:18: error: 'rtc' undeclared (first use in this function)
>      spin_lock_init(&rtc->lock);
>                      ^
>    include/linux/spinlock.h:296:17: note: in definition of macro 'spin_lock_init'
>      spinlock_check(_lock);    \
>                     ^~~~~
>    drivers/rtc/rtc-sun6i.c:371:18: note: each undeclared identifier is reported only once for each function it appears in
>      spin_lock_init(&rtc->lock);
>                      ^
>    include/linux/spinlock.h:296:17: note: in definition of macro 'spin_lock_init'
>      spinlock_check(_lock);    \
>                     ^~~~~
> 
> vim +/rtc +371 drivers/rtc/rtc-sun6i.c
> 
>    365		struct resource *res;
>    366		int ret;
>    367	
>    368		chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
>    369		if (!chip)
>    370			return -ENOMEM;
>  > 371		spin_lock_init(&rtc->lock);
>    372	
>    373		platform_set_drvdata(pdev, chip);
>    374		chip->dev = &pdev->dev;
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation



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

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