On Thu, Oct 13, 2011 at 01:51:52PM +0200, Marc Kleine-Budde wrote: > On 10/11/2011 06:54 AM, Pavan Kondeti wrote: > >> while playing around with gadgetfs and the ci13xxx_udc driver on mx28 > >> I found some problems regarding locking and DMA handling. Another problem > >> arises when using the ci13xxx_udc driver on mx28, because it has only 8 > >> compared to 16 endpoints as the driver expects. > > >> With these patches g_ether and gadgetfs work on the mx28, however I was > >> not able to test these patches on any other hardware. Voluntaries welcome. > > > Thanks for the improvements and bug fixes in ci13xxx_udc driver. All the > > patches looks good to me. I am slightly busy with other stuff. Will test > > these patches on MSM platform next week. > > We've discovered a problem with the driver (on a mx23). > g_zero test 2 fails. We now are able to get all g_zero tests [1] working, but for that we have to load the g_zero module with buflen=512. Has this to do with the limitation in the _hardware_enqueue routine that it currently can not handle requests which would spawn into several TDs? Regards, Michael [1] http://www.linux-usb.org/usbtest/testusb.c -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | -- 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
