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Date:      Sat, 10 Mar 2012 20:37:58 +0100
From:      Hans Petter Selasky <hselasky@c2i.net>
To:        "Julian H. Stacey" <jhs@berklix.com>
Cc:        freebsd-usb@freebsd.org
Subject:   Re: ICY BOX Sata USB box runs ar 1M instead of 40M+
Message-ID:  <201203102037.58043.hselasky@c2i.net>
In-Reply-To: <201203101933.q2AJXGfd025146@fire.js.berklix.net>
References:  <201203101933.q2AJXGfd025146@fire.js.berklix.net>

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On Saturday 10 March 2012 20:33:16 Julian H. Stacey wrote:
> usbconfig dump_quirk_names | more
>         shows nothing I might think of as "Force this to USB-2 high speed.

Hi Julian,

There is no such quirk. You can only do the opposite:

sysctl -a hw.usb.ehci.no_hs

The EHCI port reset code is found here:

/sys/dev/usb/controller/ehci.c


Look for "ehci_disown()". Maybe we need to reset the port multiple times 
before giving up High-Speed USB ?


--HPS



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