Hi, On 08/17/2016 04:26 PM, Oliver Neukum wrote: > On Tue, 2016-08-16 at 16:46 +0300, Binyamin Sharet wrote: >> Kernel version: raspberrypi 4.4.6-v7+ #871 >> Driver source file: drivers/usb/class/cdc-acm.c >> Umap2 command line: umap2vsscan -P <PHY> -s 22b8:2d93 > Hi, > > could you retest this kernel with the attached fix, > so I know whether it can go into stable? > > Regards > Oliver > I couldn't apply your patch on clean 4.8-rc2: Checking patch drivers/usb/class/cdc-acm.c... Hunk #1 succeeded at 1194 (offset 192 lines). Hunk #2 succeeded at 1258 (offset 158 lines). Hunk #3 succeeded at 1269 (offset 158 lines). error: while searching for: /*workaround for switched interfaces */ if (data_interface->cur_altsetting->desc.bInterfaceClass != CDC_DATA_INTERFACE_TYPE) { if (control_interface->cur_altsetting->desc.bInterfaceClass == CDC_DATA_INTERFACE_TYPE) { struct usb_interface *t; error: patch failed: drivers/usb/class/cdc-acm.c:1127 error: drivers/usb/class/cdc-acm.c: patch does not apply Please advise -- Binyamin Sharet, Cisco, STARE-C -- 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