Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-07-11 Thread Holger Hans Peter Freyther
On Sat, May 24, 2014 at 07:13:12AM -0700, Dan Williams wrote: Good Afternoon, > Let me see if I can achieve this with a debugfs interface so that > 'noxhci_port_switch' does not become a permanent ABI per Greg's > concern. I wonder if there is another non-ABI option? Couldn't the ports be uncond

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-24 Thread Dan Williams
On Fri, May 23, 2014 at 11:39 PM, Holger Hans Peter Freyther wrote: > On Tue, May 20, 2014 at 03:40:16PM -0700, Dan Williams wrote: > > Dear Dan, > >> Sorry, I don't think it is fair to users to force them to re-compile >> their kernel to get their device to work. Granted, I'm new to USB >> devel

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-23 Thread Holger Hans Peter Freyther
On Tue, May 20, 2014 at 03:40:16PM -0700, Dan Williams wrote: Dear Dan, > Sorry, I don't think it is fair to users to force them to re-compile > their kernel to get their device to work. Granted, I'm new to USB > development, but the rate of reports of endpoint devices that mess up > and require

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-21 Thread Greg KH
On Wed, May 21, 2014 at 10:29:09AM -0700, Dan Williams wrote: > On Tue, May 20, 2014 at 11:31 PM, Greg KH wrote: > > On Tue, May 20, 2014 at 11:21:03PM -0700, Dan Williams wrote: > >> On Tue, May 20, 2014 at 5:27 PM, Greg KH > >> wrote: > >> >> Greg, > >> >> > >> >> Sorry, I don't think it is fa

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-21 Thread Alan Stern
On Wed, 21 May 2014, Dan Williams wrote: > On Tue, May 20, 2014 at 11:31 PM, Greg KH wrote: > > On Tue, May 20, 2014 at 11:21:03PM -0700, Dan Williams wrote: > >> On Tue, May 20, 2014 at 5:27 PM, Greg KH > >> wrote: > >> >> Greg, > >> >> > >> >> Sorry, I don't think it is fair to users to force

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-21 Thread Dan Williams
On Tue, May 20, 2014 at 11:31 PM, Greg KH wrote: > On Tue, May 20, 2014 at 11:21:03PM -0700, Dan Williams wrote: >> On Tue, May 20, 2014 at 5:27 PM, Greg KH wrote: >> >> Greg, >> >> >> >> Sorry, I don't think it is fair to users to force them to re-compile >> >> their kernel to get their device t

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-20 Thread Greg KH
On Tue, May 20, 2014 at 11:21:03PM -0700, Dan Williams wrote: > On Tue, May 20, 2014 at 5:27 PM, Greg KH wrote: > >> Greg, > >> > >> Sorry, I don't think it is fair to users to force them to re-compile > >> their kernel to get their device to work. > > > > I totally agree. > > > >> Granted, I'm ne

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-20 Thread Dan Williams
On Tue, May 20, 2014 at 5:27 PM, Greg KH wrote: >> Greg, >> >> Sorry, I don't think it is fair to users to force them to re-compile >> their kernel to get their device to work. > > I totally agree. > >> Granted, I'm new to USB >> development, but the rate of reports of endpoint devices that mess u

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-20 Thread Greg KH
On Tue, May 20, 2014 at 03:40:16PM -0700, Dan Williams wrote: > On Tue, May 20, 2014 at 1:34 PM, Greg KH wrote: > > On Tue, May 20, 2014 at 11:25:37AM -0700, Dan Williams wrote: > >> On Tue, May 20, 2014 at 2:51 AM, Takashi Iwai wrote: > >> > At Tue, 20 May 2014 12:47:36 +0300, > >> > Mathias Nym

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-20 Thread Dan Williams
On Tue, May 20, 2014 at 1:34 PM, Greg KH wrote: > On Tue, May 20, 2014 at 11:25:37AM -0700, Dan Williams wrote: >> On Tue, May 20, 2014 at 2:51 AM, Takashi Iwai wrote: >> > At Tue, 20 May 2014 12:47:36 +0300, >> > Mathias Nyman wrote: >> >> >> >> On 05/20/2014 04:01 AM, Greg KH wrote: >> >> > On

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-20 Thread Greg KH
On Tue, May 20, 2014 at 11:25:37AM -0700, Dan Williams wrote: > On Tue, May 20, 2014 at 2:51 AM, Takashi Iwai wrote: > > At Tue, 20 May 2014 12:47:36 +0300, > > Mathias Nyman wrote: > >> > >> On 05/20/2014 04:01 AM, Greg KH wrote: > >> > On Thu, May 08, 2014 at 07:25:55PM +0300, Mathias Nyman wrot

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-20 Thread Takashi Iwai
At Tue, 20 May 2014 11:25:37 -0700, Dan Williams wrote: > > On Tue, May 20, 2014 at 2:51 AM, Takashi Iwai wrote: > > At Tue, 20 May 2014 12:47:36 +0300, > > Mathias Nyman wrote: > >> > >> On 05/20/2014 04:01 AM, Greg KH wrote: > >> > On Thu, May 08, 2014 at 07:25:55PM +0300, Mathias Nyman wrote:

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-20 Thread Dan Williams
On Tue, May 20, 2014 at 2:51 AM, Takashi Iwai wrote: > At Tue, 20 May 2014 12:47:36 +0300, > Mathias Nyman wrote: >> >> On 05/20/2014 04:01 AM, Greg KH wrote: >> > On Thu, May 08, 2014 at 07:25:55PM +0300, Mathias Nyman wrote: >> >> From: Dan Williams >> >> >> >> Add a command line switch for dis

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-20 Thread Takashi Iwai
At Tue, 20 May 2014 12:47:36 +0300, Mathias Nyman wrote: > > On 05/20/2014 04:01 AM, Greg KH wrote: > > On Thu, May 08, 2014 at 07:25:55PM +0300, Mathias Nyman wrote: > >> From: Dan Williams > >> > >> Add a command line switch for disabling ehci port switchover. Useful > >> for working around /

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-20 Thread Mathias Nyman
On 05/20/2014 04:01 AM, Greg KH wrote: > On Thu, May 08, 2014 at 07:25:55PM +0300, Mathias Nyman wrote: >> From: Dan Williams >> >> Add a command line switch for disabling ehci port switchover. Useful >> for working around / debugging xhci incompatibilities where ehci >> operation is available. >

Re: [PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-19 Thread Greg KH
On Thu, May 08, 2014 at 07:25:55PM +0300, Mathias Nyman wrote: > From: Dan Williams > > Add a command line switch for disabling ehci port switchover. Useful > for working around / debugging xhci incompatibilities where ehci > operation is available. > > Reference: http://marc.info/?l=linux-usb&

[PATCH 02/10] xhci: 'noxhci_port_switch' kernel parameter

2014-05-08 Thread Mathias Nyman
From: Dan Williams Add a command line switch for disabling ehci port switchover. Useful for working around / debugging xhci incompatibilities where ehci operation is available. Reference: http://marc.info/?l=linux-usb&m=138920063001509&w=2 Cc: Sarah Sharp Cc: Mathias Nyman Cc: Holger Hans Pe