Hi, I'm using g_zero and dummy_hcd to test my userspace software dealing with USB device I currently do not have. Works great! But for single g_zero instance ... is it possible to have two g_zero devices seen in the system? Here is what I get: # Testing with dummy USB device Get kernel sources and compile drivers/usb/gadget/udc/dummy_hcd.ko Insert the __dummy_hcd.ko__. [1045716.944645] dummy_hcd dummy_hcd.0: USB Host+Gadget Emulator, driver 02 May 2005 [1045716.944648] dummy_hcd dummy_hcd.0: Dummy host controller [1045716.944651] dummy_hcd dummy_hcd.0: new USB bus registered, assigned bus number 6 [1045716.944688] usb usb6: New USB device found, idVendor=1d6b, idProduct=0002 [1045716.944690] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [1045716.944691] usb usb6: Product: Dummy host controller [1045716.944692] usb usb6: Manufacturer: Linux 4.10.0-37-generic dummy_hcd [1045716.944693] usb usb6: SerialNumber: dummy_hcd.0 [1045716.944835] hub 6-0:1.0: USB hub found [1045716.944840] hub 6-0:1.0: 1 port detected Now we can use __g_zero__ to mimic our desired USB device: sudo modprobe g_zero idVendor=0x1313 idProduct=0x8089 iSerialNumber="M00407309" iManufacturer="Hinxx" iProduct="XOXO" [1049425.211438] zero gadget: Gadget Zero, version: Cinco de Mayo 2008 [1049425.211439] zero gadget: zero ready [1049425.437878] usb 6-1: new high-speed USB device number 4 using dummy_hcd [1049425.681888] usb 6-1: New USB device found, idVendor=1313, idProduct=8089 [1049425.681891] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [1049425.681892] usb 6-1: Product: XOXO [1049425.681894] usb 6-1: Manufacturer: Hinxx [1049425.681895] usb 6-1: SerialNumber: M00407309 [1049425.689802] zero gadget: high-speed config #3: source/sink Thanks, Hinko -- .. the more I see the less I believe.., AE AoR -- 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
