[chrome-os:chromeos-5.10 166/250] drivers/opp/core.c:2838:9: error: implicit declaration of function 'regulator_sync_voltage'

* [chrome-os:chromeos-5.10 166/250] drivers/opp/core.c:2838:9: error: implicit declaration of function 'regulator_sync_voltage'
@ 2021-08-27 15:56 kernel test robot
  2021-08-27 16:44 ` Stephen Boyd
  0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2021-08-27 15:56 UTC (permalink / raw)
  To: kbuild-all

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tree:   https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.10
head:   000af78120e6bc7c36797433dbfae6f52e91dbd8
commit: f59a73f68caa86969f0649cd9c29f8f7a019a064 [166/250] UPSTREAM: opp: Add dev_pm_opp_sync_regulators()
config: x86_64-buildonly-randconfig-r003-20210827 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1076082a0d97bd5c16a25ee7cf3dbb6ee4b5a9fe)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel
        git fetch --no-tags chrome-os chromeos-5.10
        git checkout f59a73f68caa86969f0649cd9c29f8f7a019a064
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/opp/core.c:2838:9: error: implicit declaration of function 'regulator_sync_voltage' [-Werror,-Wimplicit-function-declaration]
                   ret = regulator_sync_voltage(reg);
                         ^
   drivers/opp/core.c:2838:9: note: did you mean 'regulator_set_voltage'?
   include/linux/regulator/consumer.h:472:19: note: 'regulator_set_voltage' declared here
   static inline int regulator_set_voltage(struct regulator *regulator,
                     ^
   1 error generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SKB_EXTENSIONS
   Depends on NET
   Selected by
   - KCOV && ARCH_HAS_KCOV && (CC_HAS_SANCOV_TRACE_PC || GCC_PLUGINS

vim +/regulator_sync_voltage +2838 drivers/opp/core.c

  2808	
  2809	/**
  2810	 * dev_pm_opp_sync_regulators() - Sync state of voltage regulators
  2811	 * @dev:	device for which we do this operation
  2812	 *
  2813	 * Sync voltage state of the OPP table regulators.
  2814	 *
  2815	 * Return: 0 on success or a negative error value.
  2816	 */
  2817	int dev_pm_opp_sync_regulators(struct device *dev)
  2818	{
  2819		struct opp_table *opp_table;
  2820		struct regulator *reg;
  2821		int i, ret = 0;
  2822	
  2823		/* Device may not have OPP table */
  2824		opp_table = _find_opp_table(dev);
  2825		if (IS_ERR(opp_table))
  2826			return 0;
  2827	
  2828		/* Regulator may not be required for the device */
  2829		if (unlikely(!opp_table->regulators))
  2830			goto put_table;
  2831	
  2832		/* Nothing to sync if voltage wasn't changed */
  2833		if (!opp_table->enabled)
  2834			goto put_table;
  2835	
  2836		for (i = 0; i < opp_table->regulator_count; i++) {
  2837			reg = opp_table->regulators[i];
> 2838			ret = regulator_sync_voltage(reg);

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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