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authorAlan Stern <stern@rowland.harvard.edu>2007-05-04 11:52:40 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-07-12 16:29:47 -0700
commit383975d765523a56dc43a6cd6d52e9b376800cf2 (patch)
treed6ecbfe620d7d5fba372211d7af185e7c44e5097 /Documentation/unicode.txt
parent0458d5b4c9cc4ca0f62625d0144ddc4b4bc97a3c (diff)
USB: EHCI, OHCI: handover changes
This patch (as887) changes the way ehci-hcd and ohci-hcd handle a loss of VBUS power during suspend. In order for the USB-persist facility to work correctly, it is necessary for low- and full-speed devices attached to a high-speed port to be handed back to the companion controller during resume processing. This entails three changes: adding code to ehci-hcd to perform the handover, removing code from ohci-hcd to turn off ports during root-hub reinit, and adding code to ohci-hcd to turn on ports during PCI controller resume. (Other bus glue resume methods for platforms supporting high-speed controllers would need a similar change, if any existed.) Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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