of: fix missing include from of_pci.c
[linux-3.10.git] / drivers / of / of_pci.c
1 #include <linux/kernel.h>
2 #include <linux/of.h>
3 #include <linux/of_pci.h>
4 #include <asm/prom.h>
5
6 static inline int __of_pci_pci_compare(struct device_node *node,
7                                        unsigned int devfn)
8 {
9         unsigned int size;
10         const __be32 *reg = of_get_property(node, "reg", &size);
11
12         if (!reg || size < 5 * sizeof(__be32))
13                 return 0;
14         return ((be32_to_cpup(&reg[0]) >> 8) & 0xff) == devfn;
15 }
16
17 struct device_node *of_pci_find_child_device(struct device_node *parent,
18                                              unsigned int devfn)
19 {
20         struct device_node *node, *node2;
21
22         for_each_child_of_node(parent, node) {
23                 if (__of_pci_pci_compare(node, devfn))
24                         return node;
25                 /*
26                  * Some OFs create a parent node "multifunc-device" as
27                  * a fake root for all functions of a multi-function
28                  * device we go down them as well.
29                  */
30                 if (!strcmp(node->name, "multifunc-device")) {
31                         for_each_child_of_node(node, node2) {
32                                 if (__of_pci_pci_compare(node2, devfn)) {
33                                         of_node_put(node);
34                                         return node2;
35                                 }
36                         }
37                 }
38         }
39         return NULL;
40 }
41 EXPORT_SYMBOL_GPL(of_pci_find_child_device);