mtk6572 添加kernel model

CC [M]  drivers/test/mpu6050.o
In file included fROM /home/yw/tmp/code/alps/kernel/arch/ARM/include/asm/posix_types.h:38:0,
                 from /home/yw/tmp/code/alps/kernel/include/linux/posix_types.h:35,
                 from /home/yw/tmp/code/alps/kernel/include/linux/types.h:17,
                 from /home/yw/tmp/code/alps/kernel/include/linux/sysinfo.h:4,
                 from /home/yw/tmp/code/alps/kernel/include/linux/kernel.h:4,
                 from /home/yw/tmp/code/alps/kernel/include/linux/interrupt.h:5,
                 from /home/yw/tmp/code/alps/kernel/drivers/test/mpu6050.c:14:
/home/yw/tmp/code/alps/kernel/include/asm-generic/posix_types.h:4:29: fatal error: asm/bitsperlong.h: No such file or directory
compilation terminated.
make[4]: *** [drivers/test/mpu6050.o] Error 1
make[3]: *** [_module_drivers/test] Error 2
make[2]: *** [sub-make] Error 2
make[1]: *** [kernel] Error 2
make: *** [remake] Error 2

这个怎么破?