Dear Stephen Warren, > (Sorry to those on to/cc; I'm resending this so it goes to the correct > mailing list) > > Commit 020bbcb "usb: hub: Power-cycle on root-hub ports" causes a > regression on Tegra systems. > > The first time "usb start" is executed, it appears to work correctly. > However, any subsequent time it is executed, it takes a long time, and > eventually fails to find any USB devices. > > This situation can happen quite often; for example, if the user forgets > to plug in a USB device before booting, runs "usb start", realizes that, > then plugs it in and runs "usb start" again. This is compounded on at > least one of the Tegra boards, since CONFIG_PREBOOT is set to "usb > start" on systems (laptops/clamshells) which have built-in USB keyboards. > > If I simply revert this patch, then everything works again. (Yes, > reverting requires fixing a small merge conflict.) > > Do you have any idea what the problem can be? I'm tempted to simply ask > for the patch to be reverted since it causes a regression. > > Thanks for any idea how to fix this!
BUMP? Vivek, any ideas? Otherwise I'm reverting this. Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
