Re: ehci-hcd affects hda speed

From: Lev A. Melnikovsky
Date: Wed Apr 16 2008 - 18:23:21 EST


Oliver,

ON> EHCI should not scan an empty async. However this manufacturer
ON> has shown a liberal attitude about conforming with specifications.
ON> If the root hub is suspended, it can't do DMA. So it might help.
Yes, it does, thank you. No DMA when suspended. Auto-suspend is executed
if external hub is the only attached device. Can this be used to block
spurious schedule traversal?

Thnks
-L
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