PCI: add pci_clear_flags()

Add a pci_clear_flags() for cases when we statically initialize pci_flags, then decide to clear things out later. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
git-mirror · Feb 24, 2012 · dcce6dc · dcce6dc
1 parent 4708770
commit dcce6dc
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/include/asm-generic/pci-bridge.h b/include/asm-generic/pci-bridge.h
@@ -45,13 +45,19 @@ static inline void pci_add_flags(int flags)
 	pci_flags |= flags;
 }
 
+static inline void pci_clear_flags(int flags)
+{
+	pci_flags &= ~flags;
+}
+
 static inline int pci_has_flag(int flag)
 {
 	return pci_flags & flag;
 }
 #else
 static inline void pci_set_flags(int flags) { }
 static inline void pci_add_flags(int flags) { }
+static inline void pci_clear_flags(int flags) { }
 static inline int pci_has_flag(int flag)
 {
 	return 0;