On Tue, Aug 10, 2021 at 10:55:33AM -0500, Ian Pilcher wrote: > On 8/10/21 9:48 AM, Greg KH wrote: > > But what about when the device is removed from the system first? Be > > careful about that... > > > > Anyway, sure, try those functions, I really do not know, all I > > originally complained about was those exports which did not need to be > > exported. > > Sounds good. I'll work something up. (I'm actually thinking that > class_find_device() may be the best way to go, as it grabs a reference > to the device.) There should not be anything "odd" about block devices here, just do whatever all other LED drivers do when referencing a device. thanks, greg k-h