On 08/26/10 04:21, Jim Sung wrote: > I'm debugging a problem with the USB gadget serial on the Marvell PXA168 CC'ed LAKML > platform, which led to the following observations: > > - The way gs_start_io() is implemented, each time it is invoked, > port->read_pool and port->write_pool will grow by QUEUE_SIZE, which > seems wrong. > > For now, I just added a list_empty() check in gs_start_io() on the two > lists. > > - "struct gs_port" does not appear to have provision to notify the USB > device controller to release any resource (particularly for rx) in > gs_close(). > > To fix the problem, I have a hard coded call into the USB device > controller right now, but that is ugly. > > The particular kernel I'm working with is 2.6.28, but I took a look at > 2.6.35-rc6, and I don't see any change in these areas. > > Jim > > > -- > 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 > -- Regards, Igor. -- 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
