On Fri, 6 Nov 2015, Bin Liu wrote: > This reverts commit 2035772010db634ec8566b658fb1cd87ec47ac77. > > Commit 20357720 claims throughput improvement for MSC/UVC, but I > don't see much improvement. Following are the MSC measurement using > dd on AM335x GP EVM. > > with BCD_BH: read: 14.9MB/s, write: 20.9MB/s > without BCD_BH: read: 15.2MB/s, write: 21.2MB/s > > However with this commit the following regressions have been observed. > > 1. ASIX usb-ethernet dongle is completely broken on UDP RX. > > 2. Unpluging a 3G modem, which uses option driver, behind a hub causes > console log flooding with the following message. > > option_instat_callback: error -71
Did you do any debugging to figure out why these problems occur with HCD_BH but don't occur without it? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
