Hi flwu, Nabih > Subject: Re: [PATCH v6 00/11] hw/usb/ehci: Add 64-bit descriptor addressing > support > Jamin, > > I dropped the series from aspeed-next and kept : > > tests/functional/arm/test_aspeed_ast2600_sdk: Add USB EHCI test for > AST2600 SDK > > The USB subsystem is orphan but it is still used in the virt world. > This series is modifying the EHCI internals in such way that migration is > impacted and the CTRLDSSEGMENT (Control Data Structure Segment > Register) implementation is incomplete AFAICT. From EHCI specs : > > This register allows the host software to locate all control data > structures within the *same 4 Gigabyte memory segment*. > > Linux driver seems buggy too. > > Overall, the risk of regression is too high given the time I can dedicate to > this > topic. > > Thanks for all the good work you done there, specially for migration. > If someone can Ack the series and step forward to become USB maintainer, > then I will reconsider. > >
Just to let you know the upstream status. If you want to use USB EHCI on AST2700, please apply this patch series to your codebase. Thanks, Jamin > C.
