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Re: kern/49076: USB 3.0 devices are not attached to xhci hubs
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
> Subject: Re: kern/49076: USB 3.0 devices are not attached to xhci hubs
> Date: Sat, 16 Aug 2014 22:19:34 +0900 (JST)
> 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
PGP fingerprint = 82A2 DC91 76E0 A10A 8ABB FD1B F404 27FA C7D1 15F3
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