device parallel resume support for PCI devices
Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
---
drivers/pci/bus.c | 4 ++++
drivers/pci/remove.c | 2 ++
2 files changed, 6 insertions(+)
Index: linux-2.6/drivers/pci/bus.c
===================================================================
--- linux-2.6.orig/drivers/pci/bus.c
+++ linux-2.6/drivers/pci/bus.c
@@ -85,6 +85,10 @@ int pci_bus_add_device(struct pci_dev *d
return retval;
dev->is_added = 1;
+
+ /* parallel resume for pci devices on bus 0 */
+ if (dev->bus->number == 0)
+ device_parallel_resume_register(&dev->dev, 1);
pci_proc_attach_device(dev);
pci_create_sysfs_dev_files(dev);
return 0;
Index: linux-2.6/drivers/pci/remove.c
===================================================================
--- linux-2.6.orig/drivers/pci/remove.c
+++ linux-2.6/drivers/pci/remove.c
@@ -92,6 +92,8 @@ EXPORT_SYMBOL(pci_remove_bus);
*/
void pci_remove_bus_device(struct pci_dev *dev)
{
+ if (dev->bus->number == 0 && dev->dev.resumed)
+ device_parallel_resume_unregister(&dev->dev);
if (dev->subordinate) {
struct pci_bus *b = dev->subordinate;
--
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