Re: [linux-usb-devel] ti_usb_3410_5052 breakage in 2.6.24-rc1

[Steven King <sfking@fdwdc.com>]

On Thursday 01 November 2007 7:47:24 Alan Stern wrote:
> On Wed, 31 Oct 2007, Steven King wrote:
> >   My TI eZ430 (MSP-FET430UIF JTAG Tool) usb dongle works fine with
> > 2.6.23.1 and earlier, but doesn't work with 2.6.24-rc1; the
> > ti_usb_3410_5052 module is loaded but the device descriptor is bogus,
> > reporting only a single configuration, whereas in 2.6.23.1 it reports 2
> > configurations, allowing one to select the second configuration to get a
> > serial port.
> >
> > git bisect fingered this commit:
> >
> > 063a2da8f01806906f7d7b1a1424b9afddebc443 "USB: serial core should respect
> > driver requirements"
>
> Are you certain about this?  That commit could not possibly have
> changed the way the USB core evaluates the device or configuration
> descriptors.  In fact, the commit affects only code in the usb-serial
> driver, which doesn't get loaded until well after the descriptors have
> been parsed.


 100% certain.  After bisecting it, I reversed that commit on an otherwise 
stock -rc1 and the device started working again.

-- 
Steven King -- sfking at fdwdc dot com