USB / PM: Allow USB devices to remain runtime-suspended when sleeping

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Have dev_pm_ops.prepare return 1 for USB devices and ports so that USB
devices can remain runtime-suspended when the system goes to a sleep
state, if their wakeup state is correct and they have runtime PM enabled.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

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Tomeu Vizoso 2016-01-07 16:46:15 +01:00 • committed by Rafael J. Wysocki

parent aa8e54b559

commit e3345db850

2 changed files with 13 additions and 1 deletions

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6

drivers/usb/core/port.c

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8

drivers/usb/core/usb.c

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