On 09/03/15 10:15, Daniel Baluta wrote: > CONFIG_SIMPLE_DUMMY_BUFFER compiles in iio_simple_dummy_buffer.c file > which uses functions from industrialio-trigger.c. > > So, CONFIG_SIMPLE_DUMMY_BUFFER needs to select IIO_TRIGGER in order to > avoid build error like this: > >> ERROR: "iio_trigger_notify_done" [drivers/staging/iio/iio_dummy.ko] undefined! >> ERROR: "iio_triggered_buffer_postenable" [drivers/staging/iio/iio_dummy.ko] undefined! >> ERROR: "iio_triggered_buffer_predisable" [drivers/staging/iio/iio_dummy.ko] undefined! >> ERROR: "iio_alloc_pollfunc" [drivers/staging/iio/iio_dummy.ko] undefined! >> ERROR: "iio_dealloc_pollfunc" [drivers/staging/iio/iio_dummy.ko] undefined! > > Cc: Arnd Bergmann <arnd@xxxxxxxx> > Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx> > Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxxxx> Thanks, This one had me rather confused as well. Anyhow, applied to the fixes-togreg branch of iio.git. Will push out later today. Thanks, Jonathan > --- > drivers/staging/iio/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig > index fa38be0..2a15426 100644 > --- a/drivers/staging/iio/Kconfig > +++ b/drivers/staging/iio/Kconfig > @@ -38,6 +38,7 @@ config IIO_SIMPLE_DUMMY_EVENTS > config IIO_SIMPLE_DUMMY_BUFFER > boolean "Buffered capture support" > select IIO_BUFFER > + select IIO_TRIGGER > select IIO_KFIFO_BUF > help > Add buffered data capture to the simple dummy driver. > -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html