On Thu, Apr 20, 2017 at 05:21:22PM +0200, Greg KH wrote: > On Thu, Apr 20, 2017 at 04:43:49PM +0200, Alfredo Rafael Vicente Boix wrote: > > Hello, > > > > I have tried your patch and it works fine. It seems that it recognised > > the tower and also creates the path /dev/usb/legousbtower0. > > > > [ 784.308089] usb 8-2: new low-speed USB device number 4 using uhci_hcd > > [ 784.529202] usb 8-2: New USB device found, idVendor=0694, idProduct=0001 > > [ 784.529205] usb 8-2: New USB device strings: Mfr=4, Product=26, > > SerialNumber=0 > > [ 784.529208] usb 8-2: Product: LEGO USB Tower > > [ 784.529210] usb 8-2: Manufacturer: LEGO Group > > [ 784.537094] legousbtower 8-2:1.0: LEGO USB Tower firmware version > > is 1.0 build 134 > > [ 784.538146] legousbtower 8-2:1.0: LEGO USB Tower #-160 now attached > > to major 180 minor 0 > > > > But when I tried to access it with nqc (sudo nqc > > -S/dev/usb/legousbtower0 -firmware ./firm0332.lgo), for example, it > > gives me the following error: > > > > Could not open serial port or USB device. > > > > with the log: > > > > [ 784.538146] legousbtower 8-2:1.0: LEGO USB Tower #-160 now attached > > to major 180 minor 0 > > [ 994.013492] usb 8-2: LEGO USB Tower reset control request failed > > Oh good! That means you must have the VIRTUAL STACK configuration > option enabled. The driver is trying to send USB messages off of the > stack instead of dynamically allocating them. > > This request error is also a symptom of that. I'll work on a patch for > all of the parts of this driver that have that issue and send it to you > in a bit... Got sidetracked by real-life, it's late here now, will get to this in the morning, thanks. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
