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PCI: Add pcibios_pm_ops for optional arch-specific hibernate functionality

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Platforms may want to provide architecture-specific functionality when
a PCI device is doing a hibernate transition.  Add a weak symbol
pcibios_pm_ops that architectures can override to do so.

[bhelgaas: fold in return value checks from v2 patch]
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Sebastian Ott
2013-08-20 16:41:02 +02:00
committed by Bjorn Helgaas
parent 4b1ced841b
commit 699c198558
2 changed files with 47 additions and 0 deletions
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4
include/linux/pci.h
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@@ -1648,6 +1648,10 @@ int pcibios_set_pcie_reset_state(struct pci_dev *dev,
int pcibios_add_device(struct pci_dev *dev);
void pcibios_release_device(struct pci_dev *dev);
#ifdef CONFIG_HIBERNATE_CALLBACKS
extern struct dev_pm_ops pcibios_pm_ops;
#endif
#ifdef CONFIG_PCI_MMCONFIG
void __init pci_mmcfg_early_init(void);
void __init pci_mmcfg_late_init(void);