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authorThierry Reding <thierry.reding@avionic-design.de>2013-05-16 19:55:18 +0400
committerJason Cooper <jason@lakedaemon.net>2013-05-20 00:30:10 +0400
commit45ab9702fb47d18dca116b3a0509efa19fbcb27a (patch)
tree60b73d1c507a8432318e832b5c008e7896ef4e62 /include/linux/of_pci.h
parent29b635c00f3ebcdaf7a52c4948f6d948ad3757d3 (diff)
downloadlinux-45ab9702fb47d18dca116b3a0509efa19fbcb27a.tar.xz
of/pci: Add of_pci_get_devfn() function
This function can be used to parse the device and function number from a standard 5-cell PCI resource. PCI_SLOT() and PCI_FUNC() can be used on the returned value obtain the device and function numbers respectively. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'include/linux/of_pci.h')
-rw-r--r--include/linux/of_pci.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h
index bb115deb7612..91ec484e0045 100644
--- a/include/linux/of_pci.h
+++ b/include/linux/of_pci.h
@@ -10,5 +10,6 @@ int of_irq_map_pci(const struct pci_dev *pdev, struct of_irq *out_irq);
struct device_node;
struct device_node *of_pci_find_child_device(struct device_node *parent,
unsigned int devfn);
+int of_pci_get_devfn(struct device_node *np);
#endif