Date: Fri, 29 Oct 2004 16:53:45 +0400 From: Vladimir Grebenschikov <vova@fbsd.ru> To: Dick Davies <rasputnik@hellooperator.net> Cc: FreeBSD Current Users <freebsd-current@freebsd.org> Subject: Re: EHCI considered harmful? Message-ID: <1099054425.1063.23.camel@localhost> In-Reply-To: <20041029123322.GA7181@bingo.tenfour> References: <20041029075930.GG701@marvin.riggiland.au> <20041029080817.GB728@empiric.icir.org> <20041029081900.GH701@marvin.riggiland.au> <20041029062021.R82803@alpha.siliconlandmark.com> <20041029123322.GA7181@bingo.tenfour>
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=F7 =D0=D4, 29/10/2004 =D7 13:33 +0100, Dick Davies =D0=C9=DB=C5=D4: > * Andre Guibert de Bruet <andy@siliconlandmark.com> [1026 11:26]: > >=20 > > On Fri, 29 Oct 2004, Thomas E. Zander wrote: > >=20 > > >On Fri, 29. Oct 2004, at 1:08 -0700, Bruce M Simpson wrote > > >according to [Re: EHCI considered harmful?]: > > > > > >>ehci(4) is not stable code and fails reproducibly with my ALi-based > > >>USB2 disk enclosure. > > > > > >Well, okay then. I was just wondering because it doesn't appear on > > >Scott's todo-list for 5.3-R and it seems to accidently work on my > > >box :-) > >=20 > > This is my understanding of the current state of our USB ehci support:=20 > > ehci only works with certain chipsets. On the ones that it does work wi= th,=20 > > you do not want to have a USB2 hub connected (With ehci in your config)= as=20 > > it will not be supported. Removing ehci from your kernel lets you use a= =20 > > USB2 hub in 1.1 mode. >=20 > Just thought I'd mention that netbsd CURRENT got usb2 hub support in its = echi > driver last week. I don't know how easy a merge would be, but if anyone n= eeds > usb2 hub support, might be worth a look. I have use usb2 hub under freebsd for some from September - not very extensive, but it is works and shows usb2 speed. ehci_pci_attach: companion usb0 ehci_pci_attach: companion usb1 ehci_pci_attach: companion usb2 usb3: EHCI version 1.0 usb3: companion controllers, 2 ports each: usb0 usb1 usb2 usb3: <EHCI (generic) USB 2.0 controller> on ehci0 usb3: USB revision 2.0 # usbdevs -v=20 ... Controller /dev/usb3: addr 1: high speed, self powered, config 1, EHCI root hub(0x0000), Intel (0x0000), rev 1.00 port 1 powered port 2 powered port 3 powered port 4 powered port 5 addr 2: high speed, self powered, config 1, USB Memory Stick Slot(0x014d), Sony(0x054c), rev 1.10 port 6 powered # --=20 Vladimir B. Grebenchikov vova@fbsd.ru
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