Re: [PATCH] RFC: Allow to blacklist xhci_hcd module and use ports with EHCI

2014-01-08 Thread Alan Stern
On Tue, 7 Jan 2014, Holger Hans Peter Freyther wrote: > On Tue, Jan 07, 2014 at 10:32:08AM -0500, Alan Stern wrote: > > > > I think in my case quirk_usb_handoff_xhci is called during boot that > > > will switch the ports to the XHCI. > > > > That's what I said. Early PCI processing occurs durin

Re: [PATCH] RFC: Allow to blacklist xhci_hcd module and use ports with EHCI

2014-01-07 Thread Holger Hans Peter Freyther
On Tue, Jan 07, 2014 at 10:32:08AM -0500, Alan Stern wrote: > > I think in my case quirk_usb_handoff_xhci is called during boot that > > will switch the ports to the XHCI. > > That's what I said. Early PCI processing occurs during boot. Sure, I was referring to "run only when the computer is tu

Re: [PATCH] RFC: Allow to blacklist xhci_hcd module and use ports with EHCI

2014-01-07 Thread Alan Stern
On Tue, 7 Jan 2014, Holger Hans Peter Freyther wrote: > On Mon, Jan 06, 2014 at 04:44:51PM -0500, Alan Stern wrote: > > > Finally, blacklisting xhci-hcd won't solve the problem at hand, because > > the ports get switched from EHCI to xHCI during early PCI processing, > > before xhci-hcd is loaded

RE: [PATCH] RFC: Allow to blacklist xhci_hcd module and use ports with EHCI

2014-01-07 Thread David Laight
> From: Of Holger Freyther > > xhci_hcd does not work with the Canon Lide scanners and has issues > > with the suspend/resume handling. My Acer Aspire S5 notebook only > > exposes USB3.0 ports and the distribution kernels generally have > > xhci_hcd enabled and I don't have any USB3.0 hardware eith

Re: [PATCH] RFC: Allow to blacklist xhci_hcd module and use ports with EHCI

2014-01-07 Thread Holger Hans Peter Freyther
On Tue, Jan 07, 2014 at 12:19:58AM -0800, Dan Williams wrote: > Hi Holger, > > Is there another thread somewhere that details the issues this device > has with xhci? The initial report from 2012 is here[1]. I asked again[2] in May 2013 and now in December[3]. From time to time I have issues with

Re: [PATCH] RFC: Allow to blacklist xhci_hcd module and use ports with EHCI

2014-01-07 Thread Dan Williams
On Mon, Dec 23, 2013 at 11:21 AM, Holger Hans Peter Freyther wrote: > From: Holger Hans Peter Freyther > > xhci_hcd does not work with the Canon Lide scanners and has issues > with the suspend/resume handling. My Acer Aspire S5 notebook only > exposes USB3.0 ports and the distribution kernels gen

Re: [PATCH] RFC: Allow to blacklist xhci_hcd module and use ports with EHCI

2014-01-06 Thread Holger Hans Peter Freyther
On Mon, Jan 06, 2014 at 04:44:51PM -0500, Alan Stern wrote: > Finally, blacklisting xhci-hcd won't solve the problem at hand, because > the ports get switched from EHCI to xHCI during early PCI processing, > before xhci-hcd is loaded. The only check is for whether > CONFIG_USB_XHCI_HCD is enabled

Re: [PATCH] RFC: Allow to blacklist xhci_hcd module and use ports with EHCI

2014-01-06 Thread Alan Stern
On Mon, 6 Jan 2014, Felipe Balbi wrote: > On Mon, Jan 06, 2014 at 06:58:01PM +, Holger Freyther wrote: > > Holger Hans Peter Freyther writes: > > > > Happy New Year, > > > > > > > xhci_hcd does not work with the Canon Lide scanners and has issues > > > with the suspend/resume handling. My

Re: [PATCH] RFC: Allow to blacklist xhci_hcd module and use ports with EHCI

2014-01-06 Thread Felipe Balbi
On Mon, Jan 06, 2014 at 06:58:01PM +, Holger Freyther wrote: > Holger Hans Peter Freyther writes: > > Happy New Year, > > > > xhci_hcd does not work with the Canon Lide scanners and has issues > > with the suspend/resume handling. My Acer Aspire S5 notebook only > > exposes USB3.0 ports and

Re: [PATCH] RFC: Allow to blacklist xhci_hcd module and use ports with EHCI

2014-01-06 Thread Holger Freyther
Holger Hans Peter Freyther writes: Happy New Year, > xhci_hcd does not work with the Canon Lide scanners and has issues > with the suspend/resume handling. My Acer Aspire S5 notebook only > exposes USB3.0 ports and the distribution kernels generally have > xhci_hcd enabled and I don't have any