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PCI: PCIe portdrv: Simplify suspend and resume

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Simplify suspend and resume of the PCI Express port driver.  It no
longer needs to save and restore the standard configuration space of the
device; this is now done by the PCI PM core layer.

This patch is reported to fix the regression tracked as
http://bugzilla.kernel.org/show_bug.cgi?id=12598

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-and-tested-by: Parag Warudkar <parag.lkml@gmail.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Rafael J. Wysocki 2009-02-04 02:00:11 +01:00 committed by Jesse Barnes
parent 99dadce875
commit 27be54a65c
1 changed files with 1 additions and 15 deletions
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16
drivers/pci/pcie/portdrv_pci.c
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@ -55,25 +55,13 @@ static int pcie_portdrv_suspend(struct pci_dev *dev, pm_message_t state)
}
static int pcie_portdrv_suspend_late(struct pci_dev *dev, pm_message_t state)
{
return pci_save_state(dev);
}
static int pcie_portdrv_resume_early(struct pci_dev *dev)
{
return pci_restore_state(dev);
}
static int pcie_portdrv_resume(struct pci_dev *dev)
{
pcie_portdrv_restore_config(dev);
pci_set_master(dev);
return pcie_port_device_resume(dev);
}
#else
#define pcie_portdrv_suspend NULL
#define pcie_portdrv_suspend_late NULL
#define pcie_portdrv_resume_early NULL
#define pcie_portdrv_resume NULL
#endif
@ -292,8 +280,6 @@ static struct pci_driver pcie_portdriver = {
.remove = pcie_portdrv_remove,
.suspend = pcie_portdrv_suspend,
.suspend_late = pcie_portdrv_suspend_late,
.resume_early = pcie_portdrv_resume_early,
.resume = pcie_portdrv_resume,
.err_handler = &pcie_portdrv_err_handler,