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-rw-r--r--include/linux/of_irq.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index 0e37c05b7dd8..5929781c104d 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -4,6 +4,8 @@
4#if defined(CONFIG_OF) 4#if defined(CONFIG_OF)
5struct of_irq; 5struct of_irq;
6#include <linux/types.h> 6#include <linux/types.h>
7#include <linux/errno.h>
8#include <linux/ioport.h>
7#include <linux/of.h> 9#include <linux/of.h>
8 10
9/* 11/*
@@ -30,11 +32,38 @@ struct of_irq {
30 u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */ 32 u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */
31}; 33};
32 34
35/*
36 * Workarounds only applied to 32bit powermac machines
37 */
38#define OF_IMAP_OLDWORLD_MAC 0x00000001
39#define OF_IMAP_NO_PHANDLE 0x00000002
40
41#if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC)
42extern unsigned int of_irq_workarounds;
43extern struct device_node *of_irq_dflt_pic;
44extern int of_irq_map_oldworld(struct device_node *device, int index,
45 struct of_irq *out_irq);
46#else /* CONFIG_PPC32 && CONFIG_PPC_PMAC */
47#define of_irq_workarounds (0)
48#define of_irq_dflt_pic (NULL)
49static inline int of_irq_map_oldworld(struct device_node *device, int index,
50 struct of_irq *out_irq)
51{
52 return -EINVAL;
53}
54#endif /* CONFIG_PPC32 && CONFIG_PPC_PMAC */
55
56
57extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
58 u32 ointsize, const u32 *addr,
59 struct of_irq *out_irq);
33extern int of_irq_map_one(struct device_node *device, int index, 60extern int of_irq_map_one(struct device_node *device, int index,
34 struct of_irq *out_irq); 61 struct of_irq *out_irq);
35extern unsigned int irq_create_of_mapping(struct device_node *controller, 62extern unsigned int irq_create_of_mapping(struct device_node *controller,
36 const u32 *intspec, 63 const u32 *intspec,
37 unsigned int intsize); 64 unsigned int intsize);
65extern int of_irq_to_resource(struct device_node *dev, int index,
66 struct resource *r);
38 67
39#endif /* CONFIG_OF_IRQ */ 68#endif /* CONFIG_OF_IRQ */
40#endif /* CONFIG_OF */ 69#endif /* CONFIG_OF */