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.
<snip> Properly format this huge wall of text please, don't commit this as-is. thanks, greg k-h -- 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
