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-x011-201701 (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 vim +/I2C_CLIENT_HOST_HOTIFY +934 drivers/i2c/i2c-core.c 928 if (!client) 929 return 0; 930 931 if (!client->irq) { 932 int irq = -ENOENT; 933 > 934 if (client->flags & I2C_CLIENT_HOST_HOTIFY) { 935 dev_dbg(dev, "Using Host Notify IRQ\n"); 936 irq = i2c_smbus_host_notify_to_irq(client); 937 } else if (dev->of_node) { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation