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| author | Thierry Reding <thierry.reding@avionic-design.de> | 2013-05-16 17:55:18 +0200 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2013-05-19 20:30:10 +0000 |
| commit | 45ab9702fb47d18dca116b3a0509efa19fbcb27a (patch) | |
| tree | 60b73d1c507a8432318e832b5c008e7896ef4e62 /include/linux/of_pci.h | |
| parent | 29b635c00f3ebcdaf7a52c4948f6d948ad3757d3 (diff) | |
| download | lwn-45ab9702fb47d18dca116b3a0509efa19fbcb27a.tar.gz lwn-45ab9702fb47d18dca116b3a0509efa19fbcb27a.zip | |
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.h | 1 |
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 |