Date: Wed, 11 May 2016 14:48:37 -0300 (ADT) From: Jared McNeill <jmcneill@invisible.ca> To: Hans Petter Selasky <hps@selasky.org> Cc: Neal Horman <neal@wanlink.com>, freebsd-usb@freebsd.org, freebsd-arm@freebsd.org Subject: Re: ehci_disown - Olimex ARM A20 Lime & USB FTDI RS-485 shuts down USB port Message-ID: <alpine.NEB.2.11.1605111447020.4014@invisible.strangled.net> In-Reply-To: <efe4323f-fe6e-1b8a-a5d5-4779b95a4578@selasky.org> References: <57325AB8.9010108@wanlink.com> <efe4323f-fe6e-1b8a-a5d5-4779b95a4578@selasky.org>
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On Wed, 11 May 2016, Hans Petter Selasky wrote: > ehci_disown() means that there should be a full speed controller that should > handle the device, because it is not high-speed. Does your board have > OHCI/UHCI or only EHCI? How are the USB parts wired. Is there a High-Speed TT > (USB HUB chip) connected to the EHCI port? The A20 SoC has an OHCI controller but the ALLWINNER kernel is missing the ohci driver. There is a patch for review here: https://reviews.freebsd.org/D5481 Cheers, Jaredhome | help
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