Am 2014-07-22 02:13, schrieb Peter Chen: > On Fri, Jul 18, 2014 at 07:01:36PM +0200, Stefan Agner wrote: >> This patchset adds USB support for Vybrid VF610 SoC. It extends the >> clock framework to support the USB PHY cocks, extends the device >> tree files and adds support for the non-core registers in the >> usbmisc_imx driver. >> >> This patchset needs the eSDHC length fix available in Shawn's >> for-next branch. >> > > Why it is related to USB patchset? > The eSDHC registers are just in front of the USB registers. Due to the wrong length, the two register areas overlapped, hence the second driver (and I think it was USB which was loaded second) could not probe successfully. >> The whole patchset proved to be working on a Colibri VF61. The >> first USB controller runs in peripheral mode. I could successfully >> use RNDIS, however with some stability issues: Suddenly the other >> side was not reachable anymore and the interface needed to brought >> down and back up again. I'm still investigating this. > > Do you use ubuntu as host distribution? I find ubuntu will lost the > first connection for usb-ethernet-gadget(usb0) as network interface, > but once you re-config usb0 again (ifconfig usb0 ip up), it should work > and will not lose connection any more. > I use a Angstrom build, an OpenEmbedded distribution. I restarted the link using ip link set dev usb0 up/down, this brought the link back in a pingable state, however even afterwards after some seconds of iperf, the link hanged again... -- Stefan -- 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
