Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

On 2 December 2016 at 09:17, Lu Baolu wrote: > Hi, > > On 12/01/2016 04:03 PM, Baolin Wang wrote: >> On 1 December 2016 at 15:44, Lu Baolu wrote: >>> Hi, >>> >>> On 12/01/2016 03:35 PM, Baolin Wang wrote: On 1 December 2016 at 14:35, Lu

Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

On 1 December 2016 at 21:28, Mathias Nyman wrote: > On 01.12.2016 06:54, Baolin Wang wrote: >> >> On 30 November 2016 at 22:09, Mathias Nyman >> wrote: >>> >>> On 30.11.2016 11:02, Baolin Wang wrote: If the hardware

Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

Hi, On 12/01/2016 04:03 PM, Baolin Wang wrote: > On 1 December 2016 at 15:44, Lu Baolu wrote: >> Hi, >> >> On 12/01/2016 03:35 PM, Baolin Wang wrote: >>> On 1 December 2016 at 14:35, Lu Baolu wrote: Hi, On 12/01/2016 02:04 PM,

Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

On 01.12.2016 06:54, Baolin Wang wrote: On 30 November 2016 at 22:09, Mathias Nyman wrote: On 30.11.2016 11:02, Baolin Wang wrote: If the hardware never responds to the stop endpoint command, the URBs will never be completed, and we might hang the USB

Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

On 1 December 2016 at 15:44, Lu Baolu wrote: > Hi, > > On 12/01/2016 03:35 PM, Baolin Wang wrote: >> On 1 December 2016 at 14:35, Lu Baolu wrote: >>> Hi, >>> >>> On 12/01/2016 02:04 PM, Baolin Wang wrote: Hi Baolu, On 1 December

Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

Hi, On 12/01/2016 03:35 PM, Baolin Wang wrote: > On 1 December 2016 at 14:35, Lu Baolu wrote: >> Hi, >> >> On 12/01/2016 02:04 PM, Baolin Wang wrote: >>> Hi Baolu, >>> >>> On 1 December 2016 at 13:45, Lu Baolu wrote: Hi, On

Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

On 1 December 2016 at 14:35, Lu Baolu wrote: > Hi, > > On 12/01/2016 02:04 PM, Baolin Wang wrote: >> Hi Baolu, >> >> On 1 December 2016 at 13:45, Lu Baolu wrote: >>> Hi, >>> >>> On 11/30/2016 05:02 PM, Baolin Wang wrote: If the hardware

Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

Hi, On 12/01/2016 02:04 PM, Baolin Wang wrote: > Hi Baolu, > > On 1 December 2016 at 13:45, Lu Baolu wrote: >> Hi, >> >> On 11/30/2016 05:02 PM, Baolin Wang wrote: >>> If the hardware never responds to the stop endpoint command, the >>> URBs will never be completed, and

Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

On 1 December 2016 at 14:04, Baolin Wang wrote: > Hi Baolu, > > On 1 December 2016 at 13:45, Lu Baolu wrote: >> Hi, >> >> On 11/30/2016 05:02 PM, Baolin Wang wrote: >>> If the hardware never responds to the stop endpoint command, the >>> URBs

Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

Hi Baolu, On 1 December 2016 at 13:45, Lu Baolu wrote: > Hi, > > On 11/30/2016 05:02 PM, Baolin Wang wrote: >> If the hardware never responds to the stop endpoint command, the >> URBs will never be completed, and we might hang the USB subsystem. >> The original watchdog

Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

Hi, On 11/30/2016 05:02 PM, Baolin Wang wrote: > If the hardware never responds to the stop endpoint command, the > URBs will never be completed, and we might hang the USB subsystem. > The original watchdog timer is used to watch if one stop endpoint > command is timeout, if timeout, then the

Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

On 30 November 2016 at 22:09, Mathias Nyman wrote: > On 30.11.2016 11:02, Baolin Wang wrote: >> >> If the hardware never responds to the stop endpoint command, the >> URBs will never be completed, and we might hang the USB subsystem. >> The original watchdog timer

Re: [RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

On 30.11.2016 11:02, Baolin Wang wrote: If the hardware never responds to the stop endpoint command, the URBs will never be completed, and we might hang the USB subsystem. The original watchdog timer is used to watch if one stop endpoint command is timeout, if timeout, then the watchdog timer

[RFC] usb: host: xhci: Remove the watchdog timer and use command timer to watch stop endpoint command

If the hardware never responds to the stop endpoint command, the URBs will never be completed, and we might hang the USB subsystem. The original watchdog timer is used to watch if one stop endpoint command is timeout, if timeout, then the watchdog timer will set XHCI_STATE_DYING, try to halt the