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PCI: add pci_clear_flags()

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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>
This commit is contained in:
Bjorn Helgaas 2012-02-23 20:18:56 -07:00
parent 47087700ce
commit dcce6dc486
1 changed files with 6 additions and 0 deletions
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6
include/asm-generic/pci-bridge.h
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@ -45,6 +45,11 @@ static inline void pci_add_flags(int flags)
pci_flags |= flags; pci_flags |= flags;
} }
static inline void pci_clear_flags(int flags)
{
pci_flags &= ~flags;
}
static inline int pci_has_flag(int flag) static inline int pci_has_flag(int flag)
{ {
return pci_flags & flag; return pci_flags & flag;
@ -52,6 +57,7 @@ static inline int pci_has_flag(int flag)
#else #else
static inline void pci_set_flags(int flags) { } static inline void pci_set_flags(int flags) { }
static inline void pci_add_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) static inline int pci_has_flag(int flag)
{ {
return 0; return 0;