Re: [Uclinux-dist-devel] [PATCH 3/9] USB: musb: add disable pingoption to support some ill-behaviored usb stick

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On Wed 3 Jun 2009 18:39, Mike Frysinger pondered:
> On Wed, Jun 3, 2009 at 10:04, Alan Stern wrote:
> > On Wed, 3 Jun 2009, Mike Frysinger wrote:
> >> From: Bryan Wu <cooloney@xxxxxxxxxx>
> >> Some USB stick does not answer PING correctly which will make USB
> >> enumeration fail. We enable the NAK limit value to detect this PING
> >> issue, then disable the PING option for such ill-behaviored usb sticks.
> >
> > Do these ill-behaved sticks work with a regular EHCI controller?  If
> > not then there's no reason to add special code to support them on MUSB.
> > If they do work then MUSB should behave the same way as EHCI, which
> > doesn't use the NAK limit value or disable PING.
> 
> we'll try and document examples of crappy sticks and check on a
> regular EHCI controller

Yeah, they worked on my ICH7 just fine with an old 2.6.18 kernel on it. That 
is how we determined what we were suppost to be doing.

I can dig up the USB logs (LeRoy) from some old emails if you want the 
mailbombs...

-Robin
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