Yep! but if i try call spi_master_put(master) or spi_unregister_controller(master); it's made Segmentation fault for me what's wrong - may be somebody can help me On Mon, Apr 26, 2021 at 7:57 PM Mark Brown <broonie@xxxxxxxxxx> wrote: > > On Sat, Apr 24, 2021 at 07:57:19AM +0800, Art Nikpal wrote: > > > > I would expect the driver to unregister the controller at the start of > > > the remove function, suspend doesn't really make sense here > > > It's strange - But without spi_master_suspend i have randomly stucks when i > > try unload this module - as was written before > > i was test it (load/unload module in loop) and for me suspend make sense > > here > > > If anybody has another solution - or real problem not here - please write > > to me the right way! > > As I said above unregister the controller at the start of the remove > function.