PCI/PM: add runtime PM support to PCIe port

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This patch adds runtime PM support to PCIe port.  This is needed by
PCIe D3cold support, where PCIe device without ACPI node may be
powered on/off by PCIe port.

Because runtime suspend is broken for some chipsets, a black list is
used to disable runtime PM support for these chipsets.

Reviewed-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Zheng Yan <zheng.z.yan@intel.com>
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

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Zheng Yan 2012-06-23 10:23:49 +08:00 • committed by Bjorn Helgaas

parent ee85f54371

commit 71a83bd727

2 changed files with 34 additions and 0 deletions

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10

drivers/pci/pci.c

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24

drivers/pci/pcie/portdrv_pci.c

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