Re: [PATCH 3/3] xhci: Always restore EP_SOFT_CLEAR_TOGGLE even if ep reset failed

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 23.8.2020 18.12, Greg KH wrote:
> On Fri, Aug 21, 2020 at 12:15:49PM +0300, Mathias Nyman wrote:
>> From: Ding Hui <dinghui@xxxxxxxxxxxxxx>
>>
>> Some device drivers call libusb_clear_halt when target ep queue
>> is not empty. (eg. spice client connected to qemu for usb redir)
>>
>> Before commit f5249461b504 ("xhci: Clear the host side toggle
>> manually when endpoint is soft reset"), that works well.
>> But now, we got the error log:
>>
>>     EP not empty, refuse reset
>>
>> xhci_endpoint_reset failed and left ep_state's EP_SOFT_CLEAR_TOGGLE
>> bit still set
>>
>> So all the subsequent urb sumbits to the ep will fail with the
>> warn log:
>>
>>     Can't enqueue URB while manually clearing toggle
>>
>> We need to clear ep_state EP_SOFT_CLEAR_TOGGLE bit after
>> xhci_endpoint_reset, even if it failed.
>>
>> Fixes: f5249461b504 ("xhci: Clear the host side toggle manually when endpoint is soft reset"
> 
> Nit, you forgot the trailing ')' here...
> 

Argh, I had one job.. 
Odd that checkpatch didn't catch that.
Thanks for fixing and applying

-Mathias 



[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux