Re: kern/49076: USB 3.0 devices are not attached to xhci hubs

[Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>]

From: Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>, Date: Sat, 16 Aug 2014 
13:20:01 +0000 (UTC)

> The following reply was made to PR kern/49076; it has been noted by GNATS.
> 
> From: Ryo ONODERA <ryo_on%yk.rim.or.jp@localhost>
> To: gnats-bugs%NetBSD.org@localhost
> Cc: 
> Subject: Re: kern/49076: USB 3.0 devices are not attached to xhci hubs
> Date: Sat, 16 Aug 2014 22:19:34 +0900 (JST)
> 
>  Hi,
>  
>  The following patch enables xhci ports on
>  "vendor 0x8086 product 0x8c31" (Lenovo ThinkStation E32's)
>  and chip on Apple MacBook Air early 2014 11-inch.
>  
>  On the MacBook Air, cv_timedwait in xhci_do_command (it is invoked from
>  xhci_enable_slot) returns EWOULDBLOCK, and I cannot get working ports.
>  So no device is unusable.
>  
>  On ThinkStation E32, it works almost fine with my patch.
>  And my Fresco Logic xhci (vendor 0x1b73 product 0x1100) also works
>  with my patch.
This sentense means that my patch does not break Fresco's xhci.

>  
>  This patch is inspired from FreeBSD and Linux code.

--
Ryo ONODERA // ryo_on%yk.rim.or.jp@localhost
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