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Groups > linux.kernel > #1676682
| From | Mathias Nyman <mathias.nyman@linux.intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: usb data toggle reset in xhci_endpoint_reset |
| Date | 2017-06-28 16:00 +0200 |
| Message-ID | <tXlFE-7uy-19@gated-at.bofh.it> (permalink) |
| References | <tXlcC-7iY-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 28.06.2017 16:17, Dennis Wassenberg wrote:
> Hi all,
>
> I have a question regarding the usb data toggle reset patch at https://git.kernel.org/pub/scm/linux/kernel/git/mnyman/xhci.git/log/?h=ep_reset_halt_test
>
> I know that it is just experimental. Now I am in the situation that I need exactly this data toggle reset. I want to flash a radio unit via VBox using XHCI emulation. The radio unit itself is USB 2.0 connected to the host via XHCI (no EHCI available at Lenovo T460s). I made some tests and in some cases it works pretty well. But in some situations I got the following errors:
>
That was based on a really old kernel, you might be better off with trying to add back
this reverted patch on a more recent kernel:
commit 27082e2654dc148078b0abdfc3c8e5ccbde0ebfa
xhci: Clear the host side toggle manually when endpoint is 'soft reset'
I don't remember why it was reverted anymore, would need to dig through mailing
list etc.
-Mathias
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usb data toggle reset in xhci_endpoint_reset Dennis Wassenberg <dennis.wassenberg@secunet.com> - 2017-06-28 15:30 +0200 Re: usb data toggle reset in xhci_endpoint_reset Mathias Nyman <mathias.nyman@linux.intel.com> - 2017-06-28 16:00 +0200
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