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path: root/drivers/usb/host/ehci-lpm.c
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* USB: Mark EHCI LPM functions as __maybe_unusedMaksim Rayskiy2011-02-171-2/+3
| | | | | | | | 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>
* USB: EHCI: EHCI 1.1 addendum: Basic LPM feature supportAlek Du2010-08-101-0/+83
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>
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