On Thu, 2019-10-03 at 05:54 -0700, Guenter Roeck wrote:
[...]
> The error is:
> 
> drivers/staging/iio/cdc/ad7150.c:9:10: fatal error: linux/bitfield.h: No such file or directory
> 
> which indeed does not exist in v3.16.y. Culprit is commit 6117323f0fbfb
> ("staging:iio:ad7150: fix threshold mode config bit".

Thanks for checking.  I'll drop the two patches for this driver.

Ben.

- 
Ben Hutchings
Unix is many things to many people,
but it's never been everything to anybody.