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authorRafael J. Wysocki <rjw@sisk.pl>2010-02-08 19:16:33 +0100
committerRafael J. Wysocki <rjw@sisk.pl>2010-02-26 20:39:12 +0100
commita1e4d72cd3024999bfb6703092ea271438805c89 (patch)
tree853a289d73ad9ffb04038fc493d209e980a3ef9b /drivers/pci/probe.c
parent09c09bc618a4ceec387c57542031b4fc35826e16 (diff)
PM: Allow PCI devices to suspend/resume asynchronously
Set power.async_suspend for all PCI devices and PCIe port services, so that they can be suspended and resumed in parallel with other devices they don't depend on in a known way (i.e. devices which are not their parents or children). This only affects the "regular" suspend and resume stages, which means in particular that the restoration of the PCI devices' standard configuration registers during resume will still be carried out synchronously (at the "early" resume stage). Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r--drivers/pci/probe.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 270d069819f..2a943090a3b 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1436,6 +1436,7 @@ struct pci_bus * pci_create_bus(struct device *parent,
if (error)
goto dev_reg_err;
b->bridge = get_device(dev);
+ device_enable_async_suspend(b->bridge);
if (!parent)
set_dev_node(b->bridge, pcibus_to_node(b));