On Mon, 2015-05-11 at 13:58 -0500, Peter Berger wrote: > On Mon, 2015-05-11 at 11:44 -0400, Don Zickus wrote: > ... > > > > > > > > Hi, > > > > > > > > you cancel the work on suspend, but what brings it back > > > > on resume? > > > > > > > > Regards > > > > Oliver > > > > > > Hi Oliver: > > > > > > The devices get disconnected and reprobed during resume, so > > > edge_startup() restarts the heartbeats. > > > > Sounds like a perfect comment to be added in this function for future > > developers. :-) > > > > Cheers, > > Don > > > Hi Don: > > edge_resume() currently includes this comment: > > /* Since usb-serial unbinds and reprobes on resume, the re-initialization > * (including re-scheduling heartbeat_task) is handled by edge_startup(). > */ > > Is that sufficient? Should I add something more or move it elsewhere? Is this universally true? It is true that most systems cut power in S3. This will lead to a reprobe. But I have a few systems which can keep ports powered. In those cases it looks to me like usbserial will do a normal suspend/resume cycle. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
