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| author | Bjorn Helgaas <bhelgaas@google.com> | 2012-07-13 14:24:59 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2012-08-22 13:47:27 -0600 |
| commit | 44a9a36f6be43636ac2342c06d9feb60db77826a (patch) | |
| tree | 3ff1b3d23d6416454599aa5712a081fdbe5aaaa0 /include/linux/pci.h | |
| parent | 0d7614f09c1ebdbaa1599a5aba7593f147bf96ee (diff) | |
| download | lwn-44a9a36f6be43636ac2342c06d9feb60db77826a.tar.gz lwn-44a9a36f6be43636ac2342c06d9feb60db77826a.zip | |
PCI: Add pci_find_next_ext_capability()
Some extended capabilities, e.g., the vendor-specific capability, can
occur several times. The existing pci_find_ext_capability() only finds
the first occurrence. This adds pci_find_next_ext_capability(), which
can iterate through all of them.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'include/linux/pci.h')
| -rw-r--r-- | include/linux/pci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h index 5faa8310eec9..65c503cdec3b 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -755,6 +755,7 @@ enum pci_lost_interrupt_reason pci_lost_interrupt(struct pci_dev *dev); int pci_find_capability(struct pci_dev *dev, int cap); int pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap); int pci_find_ext_capability(struct pci_dev *dev, int cap); +int pci_find_next_ext_capability(struct pci_dev *dev, int pos, int cap); int pci_find_ht_capability(struct pci_dev *dev, int ht_cap); int pci_find_next_ht_capability(struct pci_dev *dev, int pos, int ht_cap); struct pci_bus *pci_find_next_bus(const struct pci_bus *from); |