Re: [RFC][PATCH 5/5] usb: dwc2: Add a quirk to allow speed negotiation for Hisilicon Hi6220

2016-12-13 Thread John Stultz
On Tue, Dec 13, 2016 at 5:24 AM, Alan Stern wrote: > On Mon, 12 Dec 2016, John Stultz wrote: > >> From: Chen Yu >> >> The Hi6220's usb controller is limited in that it does not >> support "Split Transactions", so it does not support communicating

Re: [RFC][PATCH 5/5] usb: dwc2: Add a quirk to allow speed negotiation for Hisilicon Hi6220

2016-12-13 Thread John Stultz
On Tue, Dec 13, 2016 at 5:24 AM, Alan Stern wrote: > On Mon, 12 Dec 2016, John Stultz wrote: > >> From: Chen Yu >> >> The Hi6220's usb controller is limited in that it does not >> support "Split Transactions", so it does not support communicating >> with low-speed and full-speed devices behind a

Re: [RFC][PATCH 5/5] usb: dwc2: Add a quirk to allow speed negotiation for Hisilicon Hi6220

2016-12-13 Thread Alan Stern
On Mon, 12 Dec 2016, John Stultz wrote: > From: Chen Yu > > The Hi6220's usb controller is limited in that it does not > support "Split Transactions", so it does not support communicating > with low-speed and full-speed devices behind a high-speed hub. > > Thus it requires

Re: [RFC][PATCH 5/5] usb: dwc2: Add a quirk to allow speed negotiation for Hisilicon Hi6220

2016-12-13 Thread Alan Stern
On Mon, 12 Dec 2016, John Stultz wrote: > From: Chen Yu > > The Hi6220's usb controller is limited in that it does not > support "Split Transactions", so it does not support communicating > with low-speed and full-speed devices behind a high-speed hub. > > Thus it requires a quirk so that we