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PCI: restore saved SR-IOV state

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Restore the volatile registers in the SR-IOV capability after the
D3->D0 transition.

Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Yu Zhao
2009-03-20 11:25:12 +08:00
committed by Jesse Barnes
parent d1b054da8f
commit 8c5cdb6adc
3 changed files with 34 additions and 0 deletions
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4
drivers/pci/pci.h
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@@ -222,6 +222,7 @@ extern int pci_iov_init(struct pci_dev *dev);
extern void pci_iov_release(struct pci_dev *dev);
extern int pci_iov_resource_bar(struct pci_dev *dev, int resno,
enum pci_bar_type *type);
extern void pci_restore_iov_state(struct pci_dev *dev);
#else
static inline int pci_iov_init(struct pci_dev *dev)
{
@@ -236,6 +237,9 @@ static inline int pci_iov_resource_bar(struct pci_dev *dev, int resno,
{
return 0;
}
static inline void pci_restore_iov_state(struct pci_dev *dev)
{
}
#endif /* CONFIG_PCI_IOV */
#endif /* DRIVERS_PCI_H */