Messages in this thread | | | Date | Thu, 18 Oct 2018 07:40:03 -0500 | From | Bin Liu <> | Subject | Re: [PATCH 0/6] usb: gadget: add mechanism to asynchronously validate data stage of ctrl out request |
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Hi Laurent,
On Thu, Oct 18, 2018 at 02:42:29AM +0300, Laurent Pinchart wrote: > Hi Bin, > > On Thursday, 11 October 2018 22:31:42 EEST Bin Liu wrote: > > On Tue, Oct 09, 2018 at 10:48:57PM -0400, Paul Elder wrote: > > > This patch series adds a mechanism to allow asynchronously validating > > > the data stage of a control out request, and for stalling or suceeding > > > the request accordingly. This mechanism is implemented for MUSB, and is > > > used by UVC. At the same time, UVC packages the setup stage and data > > > > Why is this for MUSB only? Other UDC such as DWC3 doesn't need this? > > Unfortunately, the asynchronous control request data stage validation > mechanism must be implemented by every UDC. This patch series only addresses > MUSB as this is Paul's main test platform. Once the core patches get reviewed > and the API accepted (possibly in a modified form), we plan to update the DWC2 > and DWC3.
Thanks for the explanation.
Regards, -Bin.
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