On Sun, Apr 18, 2021 at 1:54 PM Jonathan Cameron <jic23@xxxxxxxxxx> wrote: > > On Wed, 14 Apr 2021 22:54:51 +0300 > Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote: > > > In case we would initialize two IIO devices from one physical device, > > we shouldn't have a clash on regulators. That's why move > > st_sensors_power_enable() call from core to bus drivers. > > Why is this a problem? The two instances would double up and both get + > enable + disable the regulators. However, that shouldn't matter as > they are reference counted anyway. > Perhaps an example? Even in patch 6 I can only see that it is wasteful > to do it twice, rather than wrong as such. Yep, now I also understand that I do it twice after this patch. But lemme check next week this all P.S. I have real hardware to test on. But my tests I guess are limited to iio_info or so. -- With Best Regards, Andy Shevchenko