[SeaBIOS] [PATCH] ehci: Fix bug in hub port assignment

Stefan Berger stefanb at linux.vnet.ibm.com
Sat Sep 13 01:29:42 CEST 2014

On 09/12/2014 12:10 PM, Kevin O'Connor wrote:
> The usbdev->port field is zero indexed, while the USB spec expects the
> port values to start at one.
> Signed-off-by: Kevin O'Connor <kevin at koconnor.net>
> ---
> This problem was causing intermittent detection failures with low
> speed devices on my c720.  It seems that most hubs don't care about
> this field, as the code has never been correct but it hasn't shown up
> as a problem prior to now.  (And even on the c720, it would still work
> much of the time.)

The tip of the testing tree works reliable for me. While rebooting my 
Acer C720 several times I bisected the max. amount of memory to pass to 
the kernel to mem=1983M.


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