On 01/09/2010 09:18, Oliver Neukum wrote: > > 1. Drivers mapping their own buffers. > The problem here is that I am not sure we have a valid pointer > which can support a copy to a bounce buffer. I don't see why drivers need to map their own buffers or use coherent allocations. Should this ability be removed? It doesn't play nice with usbmon or drivers needing to do PIO either. David -- 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