On Thu, Sep 01, 2011 at 02:43:32PM +0200, Benjamin Tissoires wrote: > > + > > + usbhid_submit_report(dj_rcv_hiddev, &report, USB_DIR_OUT); > > This is not working when the receiver is paired to a keyboard. When > the session launches, Gnome try to send leds commands to the keyboard > and this results in an oops. > > Using a pointer to the struct hid_report solves the crash. > > However, Dmitry, you told us about a DMA stack problem. Can you give > us a better way to handle that? > Actually it is OK, usbhid_submit_report internally allocates DMA_safe memory for raw report and copies the data for you. Thanks. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html