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authorYu Zhao <yu.zhao@intel.com>2009-03-20 06:25:12 +0300
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-03-20 20:48:24 +0300
commit8c5cdb6adc6688b9b8fd82ea4a5cf4674dabad79 (patch)
tree79fbfde0cedf983b87cf6f782c108000d5c5752d /drivers/pci/pci.h
parentd1b054da8f599905f3c18a218961dcf17f9d5f13 (diff)
downloadlinux-8c5cdb6adc6688b9b8fd82ea4a5cf4674dabad79.tar.xz
PCI: restore saved SR-IOV state
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>
Diffstat (limited to 'drivers/pci/pci.h')
-rw-r--r--drivers/pci/pci.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 7d5327c986f5..fd5ea4d445e8 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -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 */