On Wed, Jul 29, 2015 at 07:51:55AM +0200, Sascha Hauer wrote: > Hi Peter, > > On Wed, Jul 29, 2015 at 10:42:06AM +0800, Peter Chen wrote: > > The system bus and chipidea IP have different limitations for > > both host and device mode. > > For example, with below errata, we need to enable SDIS(Stream Disable Mode) > > at host mode. But we don't want it for device mode at the same system. > > > > TAR 9000378958 > > Title: Non-Double Word Aligned Buffer Address Sometimes Causes Host to Hang > > on OUT Retry > > Impacted Configuration: Host mode, all transfer types > > Description: > > The host core operating in streaming mode may under run while sending the > > data packet of an OUT transaction. This under run can occur if there are > > unexpected system delays in fetching the remaining packet data from memory. > > The host forces a bad CRC on the packet, the device detects the error and > > discards the packet. The host then retries a Bulk, Interrupt, or Control > > transfer if an under run occurs according to the USB specification. > > Please add linebreaks at 75 characters or so.
Oh sorry, this already had been addressed. Should have read further. Sascha -- 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 majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
