On Fri, May 10, 2013 at 07:26:35AM +0200, Frederik Schmid wrote: > Hi Greg, > > The kernel is based on 3.4.11 from omapzoom.org (ti-ubuntu-3.4-1487) with > Variscite BSP patches from: > > http://www.variwiki.com/index.php?title=VAR-SOM-OM44_-_Ubuntu_Precise Then I would ask for support from the vendor who is providing you that kernel, there's not much the community can do with an obsolete kernel and unknown kernel patches applied. > I was expecting 200-250Mbps which is entirly possible on the same chip using > its ehci-controller. musb seems to sustain this speed also, for most of the > time, until a "glitch" like the one in the screenshot stalls the pipe. As others have pointed out, you can't compare ehci and musb at all, they are quite different, ehci does a lot more in hardware than musb. > We don't want to use the ehci-controller because it's already bogged down with > an ethernet controller. There's no free lunch :) Good luck, greg k-h -- 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
