RE: [PATCH v2] usb: xhci: Don't drive port 2.0 reset while resuming

2016-10-26 Thread Alan Stern
On Wed, 26 Oct 2016, Sriram Dash wrote: > >From: Mathias Nyman [mailto:mathias.ny...@linux.intel.com] > >I don't think usb core tries to drive reset while port is still resuming > > > > I am skeptical about it and hope somebody may help us on this. You can see for yourself. In drivers/usb/core

RE: [PATCH v2] usb: xhci: Don't drive port 2.0 reset while resuming

2016-10-26 Thread Sriram Dash
>From: Mathias Nyman [mailto:mathias.ny...@linux.intel.com] >On 25.10.2016 13:45, Sriram Dash wrote: >> For the USB3.0 controller, USB 2.0 reset not driven while port is in >> Resume state. So, do not program the USB 2.0 reset >> (PORTSC[PR]=1) while in Resume state. >> >> Signed-off-by: Rajat Sriv

Re: [PATCH v2] usb: xhci: Don't drive port 2.0 reset while resuming

2016-10-25 Thread Mathias Nyman
On 25.10.2016 13:45, Sriram Dash wrote: For the USB3.0 controller, USB 2.0 reset not driven while port is in Resume state. So, do not program the USB 2.0 reset (PORTSC[PR]=1) while in Resume state. Signed-off-by: Rajat Srivastava Signed-off-by: Sriram Dash Signed-off-by: Rajesh Bhagat --- W

[PATCH v2] usb: xhci: Don't drive port 2.0 reset while resuming

2016-10-25 Thread Sriram Dash
For the USB3.0 controller, USB 2.0 reset not driven while port is in Resume state. So, do not program the USB 2.0 reset (PORTSC[PR]=1) while in Resume state. Signed-off-by: Rajat Srivastava Signed-off-by: Sriram Dash Signed-off-by: Rajesh Bhagat --- Changes in v2: - Remove the quirk and make