Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

[linux-2.6-omap-h63xx.git] / drivers / pci / pci.h

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index a6dfee2f6d2bac33dce10a24ef983f2cc680c4d8..29bdeca031a8b49c60c7de124eabc68022c3c3b2 100644 (file)
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -40,7 +40,7 @@ extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int
 extern void pci_remove_legacy_files(struct pci_bus *bus);
 
 /* Lock for read/write access to pci device and bus lists */
-extern spinlock_t pci_bus_lock;
+extern struct rw_semaphore pci_bus_sem;
 
 #ifdef CONFIG_X86_IO_APIC
 extern int pci_msi_quirk;
@@ -50,8 +50,21 @@ extern int pci_msi_quirk;
 
 #ifdef CONFIG_PCI_MSI
 void disable_msi_mode(struct pci_dev *dev, int pos, int type);
+void pci_no_msi(void);
 #else
 static inline void disable_msi_mode(struct pci_dev *dev, int pos, int type) { }
+static inline void pci_no_msi(void) { }
+#endif
+#if defined(CONFIG_PCI_MSI) && defined(CONFIG_PM)
+int pci_save_msi_state(struct pci_dev *dev);
+int pci_save_msix_state(struct pci_dev *dev);
+void pci_restore_msi_state(struct pci_dev *dev);
+void pci_restore_msix_state(struct pci_dev *dev);
+#else
+static inline int pci_save_msi_state(struct pci_dev *dev) { return 0; }
+static inline int pci_save_msix_state(struct pci_dev *dev) { return 0; }
+static inline void pci_restore_msi_state(struct pci_dev *dev) {}
+static inline void pci_restore_msix_state(struct pci_dev *dev) {}
 #endif
 
 extern int pcie_mch_quirk;