randconfig build error with next-20150227, in drivers/rtc/rtc-abx805.c

Building with the attached random configuration file, drivers/rtc/rtc-abx805.c: In function 'abx805_read_multiple_regs': drivers/rtc/rtc-abx805.c:55:2: error: implicit declaration of function 'i2c_transfer' [-Werror=implicit-function-declaration] if ((i2c_transfer(client->adapter, [0], 2)) !=

randconfig build error with next-20150227, in drivers/rtc/rtc-abx805.c

Building with the attached random configuration file, drivers/rtc/rtc-abx805.c: In function 'abx805_read_multiple_regs': drivers/rtc/rtc-abx805.c:55:2: error: implicit declaration of function 'i2c_transfer' [-Werror=implicit-function-declaration] if ((i2c_transfer(client-adapter, msgs[0], 2))