linux-kernel - [RFC][PATCH 5/7] PM: Asynchronous suspend and resume of PCI devices

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Date:	Mon, 17 Aug 2009 02:20:18 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"linux-pm" <linux-pm@...ts.linux-foundation.org>
Cc:	"linux-acpi" <linux-acpi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Zhang Rui <rui.zhang@...el.com>, Len Brown <lenb@...nel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Greg KH <gregkh@...e.de>
Subject: [RFC][PATCH 5/7] PM: Asynchronous suspend and resume of PCI devices

Set async_suspend for all PCI devices and PCIe port services.

---
 drivers/input/serio/i8042.c     |    2 ++
 drivers/pci/pci.c               |    2 ++
 drivers/pci/pcie/portdrv_core.c |    1 +
 3 files changed, 5 insertions(+)

Index: linux-2.6/drivers/pci/pci.c
===================================================================
--- linux-2.6.orig/drivers/pci/pci.c
+++ linux-2.6/drivers/pci/pci.c
@@ -1409,6 +1409,8 @@ void pci_pm_init(struct pci_dev *dev)
 	} else {
 		dev->pme_support = 0;
 	}
+
+	device_enable_async_suspend(&dev->dev, true);
 }
 
 /**
Index: linux-2.6/drivers/pci/pcie/portdrv_core.c
===================================================================
--- linux-2.6.orig/drivers/pci/pcie/portdrv_core.c
+++ linux-2.6/drivers/pci/pcie/portdrv_core.c
@@ -280,6 +280,7 @@ static void pcie_device_init(struct pci_
 	dev_set_name(device, "%s:pcie%02x",
 		 pci_name(parent), get_descriptor_id(port_type, service_type));
 	device->parent = &parent->dev;
+	device_enable_async_suspend(device, true);
 }
 
 /**
--
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