drivers/staging/iio/accel/lis3l02dq_core.c: In function 'lis3l02dq_probe':
drivers/staging/iio/accel/lis3l02dq_core.c:714:2: error: implicit declaration of function 'irq_to_gpio' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
make[4]: *** [drivers/staging/iio/accel/lis3l02dq_core.o] Error 1
make[3]: *** [drivers/staging/iio/accel] Error 2
make[2]: *** [drivers/staging/iio] Error 2
make[1]: *** [drivers/staging] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC      drivers/tty/n_tty.o