In file included from drivers/i2c/algos/i2c-algo-bit.c:31:
include/linux/i2c.h:58: error: array type has incomplete element type
include/linux/i2c.h:197: error: array type has incomplete element type
make[3]: *** [drivers/i2c/algos/i2c-algo-bit.o] Error 1
make[2]: *** [drivers/i2c/algos] Error 2
make[1]: *** [drivers/i2c] Error 2
make: *** [drivers] Error 2