Re: [PATCH] usb: xhci: add quirk flag for broken stop command on AMD platforms

2017-05-26 Thread Mathias Nyman
On 25.05.2017 16:17, Shyam Sundar S K wrote: On 5/22/2017 8:26 PM, Shyam Sundar S K wrote: On 5/22/2017 6:49 PM, Mathias Nyman wrote: On 22.05.2017 11:56, Shyam Sundar S K wrote: Hi Mathias, On 5/19/2017 12:43 PM, Mathias Nyman wrote: On 18.05.2017 16:46, Alan Stern wrote: On Thu, 18

Re: [PATCH] usb: xhci: add quirk flag for broken stop command on AMD platforms

2017-05-25 Thread Shyam Sundar S K
On 5/22/2017 8:26 PM, Shyam Sundar S K wrote: > > On 5/22/2017 6:49 PM, Mathias Nyman wrote: >> On 22.05.2017 11:56, Shyam Sundar S K wrote: >>> Hi Mathias, >>> >>> >>> On 5/19/2017 12:43 PM, Mathias Nyman wrote: On 18.05.2017 16:46, Alan Stern wrote: > On Thu, 18 May 2017, Shyam Sundar

Re: [PATCH] usb: xhci: add quirk flag for broken stop command on AMD platforms

2017-05-22 Thread Shyam Sundar S K
On 5/22/2017 6:49 PM, Mathias Nyman wrote: > On 22.05.2017 11:56, Shyam Sundar S K wrote: >> Hi Mathias, >> >> >> On 5/19/2017 12:43 PM, Mathias Nyman wrote: >>> On 18.05.2017 16:46, Alan Stern wrote: On Thu, 18 May 2017, Shyam Sundar S K wrote: > on AMD platforms with SNPS 3.1 USB

Re: [PATCH] usb: xhci: add quirk flag for broken stop command on AMD platforms

2017-05-22 Thread Mathias Nyman
On 22.05.2017 11:56, Shyam Sundar S K wrote: Hi Mathias, On 5/19/2017 12:43 PM, Mathias Nyman wrote: On 18.05.2017 16:46, Alan Stern wrote: On Thu, 18 May 2017, Shyam Sundar S K wrote: on AMD platforms with SNPS 3.1 USB controller has an issue if the stop EP command is issued when the

Re: [PATCH] usb: xhci: add quirk flag for broken stop command on AMD platforms

2017-05-22 Thread Shyam Sundar S K
Hi Mathias, On 5/19/2017 12:43 PM, Mathias Nyman wrote: > On 18.05.2017 16:46, Alan Stern wrote: >> On Thu, 18 May 2017, Shyam Sundar S K wrote: >> >>> on AMD platforms with SNPS 3.1 USB controller has an issue >>> if the stop EP command is issued when the controller is not >>> in running state.

Re: [PATCH] usb: xhci: add quirk flag for broken stop command on AMD platforms

2017-05-19 Thread Mathias Nyman
On 18.05.2017 16:46, Alan Stern wrote: On Thu, 18 May 2017, Shyam Sundar S K wrote: on AMD platforms with SNPS 3.1 USB controller has an issue if the stop EP command is issued when the controller is not in running state. If issued, it is leading to a critical RTL bug because of which

Re: [PATCH] usb: xhci: add quirk flag for broken stop command on AMD platforms

2017-05-18 Thread Alan Stern
On Thu, 18 May 2017, Shyam Sundar S K wrote: > on AMD platforms with SNPS 3.1 USB controller has an issue > if the stop EP command is issued when the controller is not > in running state. If issued, it is leading to a critical RTL bug > because of which controller goes into irrecoverable state. >

Re: [PATCH] usb: xhci: add quirk flag for broken stop command on AMD platforms

2017-05-18 Thread Roger Quadros
Hi, On 18/05/17 11:53, Shyam Sundar S K wrote: > on AMD platforms with SNPS 3.1 USB controller has an issue > if the stop EP command is issued when the controller is not > in running state. If issued, it is leading to a critical RTL bug > because of which controller goes into irrecoverable state.

[PATCH] usb: xhci: add quirk flag for broken stop command on AMD platforms

2017-05-18 Thread Shyam Sundar S K
on AMD platforms with SNPS 3.1 USB controller has an issue if the stop EP command is issued when the controller is not in running state. If issued, it is leading to a critical RTL bug because of which controller goes into irrecoverable state. This patch adds a appropriate checks to make sure that