linux-kernel - drivers/base/power/opp/of.c:181:6: error: redefinition of 'dev_pm_opp_of_remove

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Date:   Mon, 13 Feb 2017 05:43:31 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>
Subject: drivers/base/power/opp/of.c:181:6: error: redefinition of
 'dev_pm_opp_of_remove_table'

Hi Viresh,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7089db84e356562f8ba737c29e472cc42d530dbc
commit: f47b72a15a9679dd4dc1af681d4d2f1ca2815552 PM / OPP: Move CONFIG_OF dependent code in a separate file
date:   9 months ago
config: x86_64-randconfig-x008-201707 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        git checkout f47b72a15a9679dd4dc1af681d4d2f1ca2815552
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> drivers/base/power/opp/of.c:181:6: error: redefinition of 'dev_pm_opp_of_remove_table'
    void dev_pm_opp_of_remove_table(struct device *dev)
         ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/base/power/opp/opp.h:21:0,
                    from drivers/base/power/opp/of.c:22:
   include/linux/pm_opp.h:217:20: note: previous definition of 'dev_pm_opp_of_remove_table' was here
    static inline void dev_pm_opp_of_remove_table(struct device *dev)
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/base/power/opp/of.c:428:5: error: redefinition of 'dev_pm_opp_of_add_table'
    int dev_pm_opp_of_add_table(struct device *dev)
        ^~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/base/power/opp/opp.h:21:0,
                    from drivers/base/power/opp/of.c:22:
   include/linux/pm_opp.h:212:19: note: previous definition of 'dev_pm_opp_of_add_table' was here
    static inline int dev_pm_opp_of_add_table(struct device *dev)
                      ^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/base/power/opp/of.c:468:6: error: redefinition of 'dev_pm_opp_of_cpumask_remove_table'
    void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask)
         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/base/power/opp/opp.h:21:0,
                    from drivers/base/power/opp/of.c:22:
   include/linux/pm_opp.h:226:20: note: previous definition of 'dev_pm_opp_of_cpumask_remove_table' was here
    static inline void dev_pm_opp_of_cpumask_remove_table(const struct cpumask *cpumask)
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/base/power/opp/of.c:486:5: error: redefinition of 'dev_pm_opp_of_cpumask_add_table'
    int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask)
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/base/power/opp/opp.h:21:0,
                    from drivers/base/power/opp/of.c:22:
   include/linux/pm_opp.h:221:19: note: previous definition of 'dev_pm_opp_of_cpumask_add_table' was here
    static inline int dev_pm_opp_of_cpumask_add_table(const struct cpumask *cpumask)
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/base/power/opp/of.c:539:5: error: redefinition of 'dev_pm_opp_of_get_sharing_cpus'
    int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev,
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/base/power/opp/opp.h:21:0,
                    from drivers/base/power/opp/of.c:22:
   include/linux/pm_opp.h:230:19: note: previous definition of 'dev_pm_opp_of_get_sharing_cpus' was here
    static inline int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, struct cpumask *cpumask)
                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/dev_pm_opp_of_remove_table +181 drivers/base/power/opp/of.c

   175	 * Locking: The internal opp_table and opp structures are RCU protected.
   176	 * Hence this function indirectly uses RCU updater strategy with mutex locks
   177	 * to keep the integrity of the internal data structures. Callers should ensure
   178	 * that this function is *NOT* called under RCU protection or in contexts where
   179	 * mutex cannot be locked.
   180	 */
 > 181	void dev_pm_opp_of_remove_table(struct device *dev)
   182	{
   183		_dev_pm_opp_remove_table(dev, false);
   184	}

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