Re: nick-nhusb merge coming soon

[Nick Hudson <skrll%netbsd.org@localhost>]

On 04/13/16 21:22, Takahiro Hayashi wrote:

Hi,

> xhci(4) is still imcomplete and experimental.
> It needs more work.
>
> I summarise known problems:
>
> + KASSERT(sc->sc_command_addr == 0) in xhci_do_command() may fail.
> + My ASM1042 card does not work at all.  No interrupts.
>   It works on FreeBSD and OpenBSD.


http://nxr.netbsd.org/xref/src-freebsd/sys/dev/usb/controller/xhci.c#1226

Is that relevant here?


> + Implementation of upm_abort is imcomplete.
I'll try and look into this soon.

> + Link Power management is not implemented.
> + Isochronous transfer is not implemented.
> + Stream protocol is not supported.

Takers? :)

> + Address of root hub is 0 (but it works anyway).

I'll also try and look into this

> + On the xhci of Intel PCH:
>   + The address assigned to device increases when reattaching device.
>   + HS hub in 3.0 hub under 3.0 port is disconnected and reconnected 
> every
>     several minutes repeatedly.

ENOHARDWARE

> regards,
> --
> t-hash

Thanks,
Nick