USB: use the no_callbacks flag for interfaces

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Call pm_runtime_no_callbacks to set no_callbacks flag for USB
interfaces.  Since interfaces cannot be power-managed separately from
their parent devices, there's no reason for the runtime-PM core to
invoke any callbacks for them.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

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Ming Lei 2010-11-15 15:56:54 -05:00 • committed by Greg Kroah-Hartman

parent f646cf9452

commit 63defa73c8

2 changed files with 31 additions and 53 deletions

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82

drivers/usb/core/driver.c

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2

drivers/usb/core/message.c

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