On Wednesday 31 October 2007 11:19:54 Greg KH wrote:
> On Wed, Oct 31, 2007 at 10:25:43PM -0700, 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"
>
> Can you send me a copy of /proc/bus/usb/devices with this device plugged
> in?

Sure,

for 2.6.23.1:

T:  Bus=07 Lev=02 Prnt=02 Port=03 Cnt=01 Dev#= 18 Spd=12  MxCh= 0
D:  Ver= 1.10 Cls=ff(vend.) Sub=00 Prot=00 MxPS= 8 #Cfgs=  2
P:  Vendor=0451 ProdID=f430 Rev= 1.01
S:  Manufacturer=Texas Instruments
S:  Product=MSP-FET430UIF JTAG Tool
S:  SerialNumber=TUSB341010398282E658FFD7
C:  #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=00 Prot=00 Driver=
E:  Ad=01(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
C:* #Ifs= 1 Cfg#= 2 Atr=a0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=ti_usb_3410_5052
E:  Ad=81(I) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=01(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms
E:  Ad=83(I) Atr=03(Int.) MxPS=   2 Ivl=1ms

and 2.6.24-rc1:

T:  Bus=07 Lev=02 Prnt=13 Port=03 Cnt=01 Dev#= 14 Spd=12  MxCh= 0
D:  Ver= 1.10 Cls=ff(vend.) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=0451 ProdID=f430 Rev= 1.01
S:  Manufacturer=Texas Instruments
S:  Product=MSP-FET430UIF JTAG Tool
S:  SerialNumber=TUSB341010398282E658FFD7
C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
E:  Ad=01(O) Atr=02(Bulk) MxPS=  64 Ivl=0ms

full /proc/bus/usb/devices for both versions are attached

-- 
Steven King -- sfking at fdwdc dot com