linux-kernel - drivers/acpi/pmic/intel_pmic_xpower.c:183: undefined reference to `iosf_mbi_block_punit_i2c

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Date:   Sat, 3 Nov 2018 01:28:44 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        "Rafael J. Wysocki" <rjw@...ysocki.net>
Subject: drivers/acpi/pmic/intel_pmic_xpower.c:183: undefined reference to
 `iosf_mbi_block_punit_i2c_access'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d81f50bd34646d8373b989e55180c0fc9af94e0b
commit: 3c670dba864d9ab0a23612a93b7d98700734bd44 ACPI / PMIC: xpower: Block P-Unit I2C access during read-modify-write
date:   8 days ago
config: x86_64-randconfig-s3-11022323 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout 3c670dba864d9ab0a23612a93b7d98700734bd44
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/acpi/pmic/intel_pmic_xpower.o: In function `intel_xpower_pmic_update_power':
>> drivers/acpi/pmic/intel_pmic_xpower.c:183: undefined reference to `iosf_mbi_block_punit_i2c_access'
>> drivers/acpi/pmic/intel_pmic_xpower.c:200: undefined reference to `iosf_mbi_unblock_punit_i2c_access'

vim +183 drivers/acpi/pmic/intel_pmic_xpower.c

   172	
   173	static int intel_xpower_pmic_update_power(struct regmap *regmap, int reg,
   174						  int bit, bool on)
   175	{
   176		int data, ret;
   177	
   178		/* GPIO1 LDO regulator needs special handling */
   179		if (reg == XPOWER_GPI1_CTRL)
   180			return regmap_update_bits(regmap, reg, GPI1_LDO_MASK,
   181						  on ? GPI1_LDO_ON : GPI1_LDO_OFF);
   182	
 > 183		ret = iosf_mbi_block_punit_i2c_access();
   184		if (ret)
   185			return ret;
   186	
   187		if (regmap_read(regmap, reg, &data)) {
   188			ret = -EIO;
   189			goto out;
   190		}
   191	
   192		if (on)
   193			data |= BIT(bit);
   194		else
   195			data &= ~BIT(bit);
   196	
   197		if (regmap_write(regmap, reg, data))
   198			ret = -EIO;
   199	out:
 > 200		iosf_mbi_unblock_punit_i2c_access();
   201	
   202		return ret;
   203	}
   204	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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