Re: [BACKPORT 4.14.y 04/18] usb: dwc3: Allow disabling of metastability workaround

2019-11-11 Thread Greg KH
On Wed, Sep 11, 2019 at 08:01:40AM -0600, Mathieu Poirier wrote: > On Tue, 10 Sep 2019 at 08:36, Greg KH wrote: > > > > On Thu, Sep 05, 2019 at 10:17:45AM -0600, Mathieu Poirier wrote: > > > From: Roger Quadros > > > > > > commit 42bf02ec6e420e541af9a47437d0bdf961ca2972 upstream > > > > > > Some

Re: [BACKPORT 4.14.y 04/18] usb: dwc3: Allow disabling of metastability workaround

2019-09-11 Thread Mathieu Poirier
On Tue, 10 Sep 2019 at 08:36, Greg KH wrote: > > On Thu, Sep 05, 2019 at 10:17:45AM -0600, Mathieu Poirier wrote: > > From: Roger Quadros > > > > commit 42bf02ec6e420e541af9a47437d0bdf961ca2972 upstream > > > > Some platforms (e.g. TI's DRA7 USB2 instance) have more trouble > > with the

Re: [BACKPORT 4.14.y 04/18] usb: dwc3: Allow disabling of metastability workaround

2019-09-10 Thread Greg KH
On Thu, Sep 05, 2019 at 10:17:45AM -0600, Mathieu Poirier wrote: > From: Roger Quadros > > commit 42bf02ec6e420e541af9a47437d0bdf961ca2972 upstream > > Some platforms (e.g. TI's DRA7 USB2 instance) have more trouble > with the metastability workaround as it supports only > a High-Speed PHY and

[BACKPORT 4.14.y 04/18] usb: dwc3: Allow disabling of metastability workaround

2019-09-05 Thread Mathieu Poirier
From: Roger Quadros commit 42bf02ec6e420e541af9a47437d0bdf961ca2972 upstream Some platforms (e.g. TI's DRA7 USB2 instance) have more trouble with the metastability workaround as it supports only a High-Speed PHY and the PHY can enter into an Erratic state [1] when the controller is set in