[SeaBIOS] [PATCH 1/2] uhci: Enable "depth" tree traversal for bulk transfers

Kevin O'Connor kevin at koconnor.net
Tue Jan 6 16:13:17 CET 2015


On Wed, Dec 31, 2014 at 11:32:12AM -0500, Kevin O'Connor wrote:
> Set the "depth" flag on bulk transactions.  Since SeaBIOS doesn't use
> bandwidth reclamation, without the depth flag the uhci controller will
> only transfer one bulk packet per 1 ms frame.  This results in a
> maximum of 64 bytes per millisecond, which severely limits the
> transfer rate.

FYI, I committed these two patches.

-Kevin



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