linux-kernel - Re: drivers/base/power/opp/cpu.c:120:5: error: redefinition of 'dev_pm_opp_set_sharing

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Message-ID: <20160405031001.GD20655@vireshk-i7>
Date:	Tue, 5 Apr 2016 08:40:01 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	kbuild test robot <fengguang.wu@...el.com>
Cc:	kbuild-all@...org, linux-kernel@...r.kernel.org,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Stephen Boyd <sboyd@...eaurora.org>
Subject: Re: drivers/base/power/opp/cpu.c:120:5: error: redefinition of
 'dev_pm_opp_set_sharing_cpus'

On 05-04-16, 09:34, kbuild test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   9735a22799b9214d17d3c231fe377fc852f042e9
> commit: f59d3ee8480d30f41914cb4bed5086237e8507b0 PM / OPP: Move cpu specific code to opp/cpu.c
> date:   7 months ago
> config: i386-randconfig-c0-04050854 (attached as .config)
> reproduce:
>         git checkout f59d3ee8480d30f41914cb4bed5086237e8507b0
>         # save the attached .config to linux build tree
>         make ARCH=i386 

Something isn't right in your setup. This is a 7 months old patch you have
reported now and I can see no problem with the patch as well.

Over that, the attached .config doesn't have CONFIG_PM_OPP enabled, so below
can't really compile.

> All errors (new ones prefixed by >>):
> 
> >> drivers/base/power/opp/cpu.c:120:5: error: redefinition of 'dev_pm_opp_set_sharing_cpus'
>     int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask)
>         ^
>    In file included from drivers/base/power/opp/opp.h:20:0,
>                     from drivers/base/power/opp/cpu.c:21:
>    include/linux/pm_opp.h:165:19: note: previous definition of 'dev_pm_opp_set_sharing_cpus' was here
>     static inline int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask)
>                       ^
> 
> vim +/dev_pm_opp_set_sharing_cpus +120 drivers/base/power/opp/cpu.c
> 
>    114		*table = NULL;
>    115	}
>    116	EXPORT_SYMBOL_GPL(dev_pm_opp_free_cpufreq_table);
>    117	#endif	/* CONFIG_CPU_FREQ */
>    118	
>    119	/* Required only for V1 bindings, as v2 can manage it from DT itself */
>  > 120	int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask)
>    121	{
>    122		struct device_list_opp *list_dev;
>    123		struct device_opp *dev_opp;
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation



-- 
viresh