Hi Mike, On 10.11.2011 05:09, Mike Frysinger wrote: > On Wednesday 09 November 2011 19:03:58 Ilya Yanok wrote: >> In our setup (OMAP3 EHCI host, keyboard, mouse mass storage and BT >> dongle devices connected via several hubs) keyboard fails to initialize >> during the bus scan (stalled endpoint while get_descriptor/64) and after >> that keyboard is unusable (even in Linux) until power off/on. >> >> Increasing the delay after port reset from 200ms to 260ms solves this >> problem. > > ugh. this doesn't sound like the right way to fix things. looks like Linux > has added a dynamic polling state that automatically deals with broken > devices. look at its hub_port_debounce. seems like we should implement > something like that instead of delaying longer and longer and making the > situation needlessly worse for most systems.
Thanks for the pointer. Unfortunately I don't have time to look into this deeper and we will go with a workaround for now. Maybe we will return to this later. Regards, Ilya. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
