Re: drivers/base/power/opp/cpu.c:120:5: error: redefinition of 'dev_pm_opp_set_sharing_cpus'

From: Viresh Kumar
Date: Mon Apr 04 2016 - 23:10:13 EST


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;
>
> ---
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--
viresh