PCI PM: Introduce pci_prepare_to_sleep and pci_back_from_sleep

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Introduce functions pci_prepare_to_sleep() and pci_back_from_sleep(),
to be used by the PCI drivers that want to place their devices into
the lowest power state appropiate for them (PCI_D3hot, if the device
is not supposed to wake up the system, or the deepest state from
which the wake-up is possible, otherwise) while the system is being
prepared to go into a sleeping state and to put them back into D0
during the subsequent transition to the working state.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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Rafael J. Wysocki 2008-07-07 03:35:26 +02:00 • committed by Jesse Barnes

parent eb9d0fe40e

commit 404cc2d8ce

2 changed files with 85 additions and 0 deletions

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83

drivers/pci/pci.c

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2

include/linux/pci.h

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