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2 commits

Author SHA1 Message Date
Maksim Rayskiy
4f9e6c64d1 USB: Mark EHCI LPM functions as __maybe_unused 
ehci_lpm_set_da and ehci_lpm_check are EHCI 1.1 specific functions which
are not used on many platforms but do generate annoying gcc warnings

Signed-off-by: Maksim Rayskiy <mrayskiy@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2011-02-17 10:47:55 -08:00
Alek Du
48f2497014 USB: EHCI: EHCI 1.1 addendum: Basic LPM feature support 
With this patch, the LPM capable EHCI host controller can put device
into L1 sleep state which is a mode that can enter/exit quickly, and
reduce power consumption.

Signed-off-by: Jacob Pan <jacob.jun.pan@intel.com>
Signed-off-by: Alek Du <alek.du@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 2010-08-10 14:35:35 -07:00