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authorAlan Stern <stern@rowland.harvard.edu>2007-05-30 15:38:58 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-07-12 16:34:30 -0700
commit54515fe528d8c6f9bfaf7d0b9fffb908deecad78 (patch)
tree02f9205eed99bbf836dc9827f11db8584e93d443 /Documentation/usb
parentf07600cf9eb3ee92777b2001e564faa413144a99 (diff)
downloadop-kernel-dev-54515fe528d8c6f9bfaf7d0b9fffb908deecad78.zip
op-kernel-dev-54515fe528d8c6f9bfaf7d0b9fffb908deecad78.tar.gz
USB: unify reset_resume and normal resume
This patch (as919) unifies the code paths used for normal resume and for reset-resume. Earlier I had failed to note a section in the USB spec which requires the host to resume a suspended port before resetting it if the attached device is enabled for remote wakeup. Since the port has to be resumed anyway, we might as well reuse the existing code. The main changes are: usb_reset_suspended_device() is eliminated. usb_root_hub_lost_power() is moved down next to the hub_reset_resume() routine, to which it is logically related. finish_port_resume() does a port reset() if the device's reset_resume flag is set. usb_port_resume() doesn't check whether the port is initially enabled if this is a USB-Persist sort of resume. Code to perform the port reset is added to the resume pathway for the non-CONFIG_USB_SUSPEND case. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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