Hi Dmitry, [auto build test ERROR on wsa/i2c/for-next] [also build test ERROR on v4.10-rc2 next-20170104] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Dmitry-Torokhov/i2c-do-not-enable-fall-back-to-Host-Notify-by-default/20170105-095405 base: https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next config: x86_64-randconfig-x017-201701 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/i2c/i2c-core.c: In function 'i2c_device_probe': drivers/i2c/i2c-core.c:934:23: error: 'I2C_CLIENT_HOST_HOTIFY' undeclared (first use in this function) if (client->flags & I2C_CLIENT_HOST_HOTIFY) { ^~~~~~~~~~~~~~~~~~~~~~ drivers/i2c/i2c-core.c:934:23: note: each undeclared identifier is reported only once for each function it appears in drivers/i2c/i2c-core.c: In function 'of_i2c_register_device': >> drivers/i2c/i2c-core.c:1715:6: error: implicit declaration of function 'of_read_property_bool' [-Werror=implicit-function-declaration] if (of_read_property_bool(node, "host-notify")) ^~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/of_read_property_bool +1715 drivers/i2c/i2c-core.c 1709 } 1710 1711 info.addr = addr; 1712 info.of_node = of_node_get(node); 1713 info.archdata = &dev_ad; 1714 > 1715 if (of_read_property_bool(node, "host-notify")) 1716 info.flags |= I2C_CLIENT_HOST_NOTIFY; 1717 1718 if (of_get_property(node, "wakeup-source", NULL)) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation