* Bin Liu <b-liu@xxxxxx> [170118 10:43]: > On Wed, Jan 18, 2017 at 08:53:09AM -0800, Tony Lindgren wrote: > > Hi, > > > > * Bin Liu <b-liu@xxxxxx> [170118 06:26]: > > > With this v3, I still get -71 error when a device is plugged to a hub to > > > musb. It doesn't happen though if the device is already plugged to the hub > > > before attaching the hub to musb. > > > > > > [ 177.579300] usb 1-1: reset high-speed USB device number 2 using musb-hdrc > > > [ 177.719308] usb 1-1: device descriptor read/64, error -71 > > > [ 178.350297] usb 1-1.1: new high-speed USB device number 4 using musb-hdrc > > > > I think the -71 issue is a different regression. I've verified that v4.8.y > > does not have this, but v4.9.y does have it. > > I will take a look on this one. Found the commit causing, see the mail I just sent. It's 467d5c980709. > > Care to try the updated patch below? It won't help with the -71 issue > > but the $subject issue should be fixed. And you should not see the > > WARN() trigger with your tests presumably. > > Yes, now no WARN() and no -115 any more. Thanks. OK. I'll take a look at what additional quirk handling the devctl session bit needs for the -71 error and then with these we should have things working again. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html