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Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index eae97a2bf603..59a3dc2059d3 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -779,6 +779,10 @@ static inline void msi_remove_pci_irq_vectors(struct pci_dev *dev)
static inline void pci_restore_msi_state(struct pci_dev *dev)
{ }
+static inline int pci_msi_enabled(void)
+{
+ return 0;
+}
#else
extern int pci_enable_msi(struct pci_dev *dev);
extern void pci_msi_shutdown(struct pci_dev *dev);
@@ -789,6 +793,7 @@ extern void pci_msix_shutdown(struct pci_dev *dev);
extern void pci_disable_msix(struct pci_dev *dev);
extern void msi_remove_pci_irq_vectors(struct pci_dev *dev);
extern void pci_restore_msi_state(struct pci_dev *dev);
+extern int pci_msi_enabled(void);
#endif
#ifndef CONFIG_PCIEASPM