>> Upstream version of driver is identical in the affected code. >> Fix was tested successfully on 4.14.129. >> Provided patch applies and compiles on v5.2.8 stable. >> As this is also a bugfix, please consider it to go to stable trees too. > > How far back should it go, just 4.14? Was this caused by a specific > commit that you happened to notice? > > thanks, > > greg k-h
Looks like the ext caps driver has been introduced in 4.17-rc1 and backported to 4.14.97. (at least my git history tells so). 4.9 doesn't have it. So, yes, 4.14 is the "oldest" candidate. Thanks and best regards Carsten
