[linux-next:master 6417/11322] drivers/power/supply/axp288_charger.c:411:8: error: implicit declaration of function 'iosf_mbi_block_punit_i2c_access'

[linux-next:master 6417/11322] drivers/power/supply/axp288_charger.c:411:8: error: implicit declaration of function 'iosf_mbi_block_punit_i2c_access'

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   9ae1fbdeabd3b3f668ad0bcb47d64b3a9fb4f8fc
commit: ed229454856e565c5a7d3287cbc63f2cf077b34f [6417/11322] power: supply: axp288-charger: Optimize register reading method
config: x86_64-randconfig-a004-20211004 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ed229454856e565c5a7d3287cbc63f2cf077b34f
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout ed229454856e565c5a7d3287cbc63f2cf077b34f
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

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

Note: the linux-next/master HEAD 9ae1fbdeabd3b3f668ad0bcb47d64b3a9fb4f8fc builds fine.
      It may have been fixed somewhere.

All errors (new ones prefixed by >>):

   drivers/power/supply/axp288_charger.c: In function 'axp288_charger_usb_update_property':
>> drivers/power/supply/axp288_charger.c:411:8: error: implicit declaration of function 'iosf_mbi_block_punit_i2c_access' [-Werror=implicit-function-declaration]
     411 |  ret = iosf_mbi_block_punit_i2c_access();
         |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/power/supply/axp288_charger.c:430:2: error: implicit declaration of function 'iosf_mbi_unblock_punit_i2c_access' [-Werror=implicit-function-declaration]
     430 |  iosf_mbi_unblock_punit_i2c_access();
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/iosf_mbi_block_punit_i2c_access +411 drivers/power/supply/axp288_charger.c

   401	
   402	static int axp288_charger_usb_update_property(struct axp288_chrg_info *info)
   403	{
   404		int ret = 0;
   405	
   406		if (info->valid && time_before(jiffies, info->last_updated + AXP288_REG_UPDATE_INTERVAL))
   407			return 0;
   408	
   409		dev_dbg(&info->pdev->dev, "Charger updating register values...\n");
   410	
 > 411		ret = iosf_mbi_block_punit_i2c_access();
   412		if (ret < 0)
   413			return ret;
   414	
   415		ret = axp288_charger_reg_readb(info, AXP20X_PWR_INPUT_STATUS, &info->input_status);
   416		if (ret < 0)
   417			goto out;
   418	
   419		ret = axp288_charger_reg_readb(info, AXP20X_PWR_OP_MODE, &info->op_mode);
   420		if (ret < 0)
   421			goto out;
   422	
   423		ret = axp288_charger_reg_readb(info, AXP20X_CHRG_BAK_CTRL, &info->backend_control);
   424		if (ret < 0)
   425			goto out;
   426	
   427		info->last_updated = jiffies;
   428		info->valid = true;
   429	out:
 > 430		iosf_mbi_unblock_punit_i2c_access();
   431		return ret;
   432	}
   433	

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

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