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-rw-r--r--include/asm-powerpc/prom.h34
1 files changed, 10 insertions, 24 deletions
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index ec400f608e16..6845af93ba91 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -20,7 +20,6 @@
20#include <linux/platform_device.h> 20#include <linux/platform_device.h>
21#include <asm/irq.h> 21#include <asm/irq.h>
22#include <asm/atomic.h> 22#include <asm/atomic.h>
23#include <asm/io.h>
24 23
25/* Definitions used by the flattened device tree */ 24/* Definitions used by the flattened device tree */
26#define OF_DT_HEADER 0xd00dfeed /* marker */ 25#define OF_DT_HEADER 0xd00dfeed /* marker */
@@ -334,30 +333,17 @@ extern int of_irq_map_one(struct device_node *device, int index,
334struct pci_dev; 333struct pci_dev;
335extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); 334extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
336 335
337static inline int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) 336extern int of_irq_to_resource(struct device_node *dev, int index,
338{ 337 struct resource *r);
339 int irq = irq_of_parse_and_map(dev, index);
340
341 /* Only dereference the resource if both the
342 * resource and the irq are valid. */
343 if (r && irq != NO_IRQ) {
344 r->start = r->end = irq;
345 r->flags = IORESOURCE_IRQ;
346 }
347
348 return irq;
349}
350
351static inline void __iomem *of_iomap(struct device_node *np, int index)
352{
353 struct resource res;
354
355 if (of_address_to_resource(np, index, &res))
356 return NULL;
357
358 return ioremap(res.start, 1 + res.end - res.start);
359}
360 338
339/**
340 * of_iomap - Maps the memory mapped IO for a given device_node
341 * @device: the device whose io range will be mapped
342 * @index: index of the io range
343 *
344 * Returns a pointer to the mapped memory
345 */
346extern void __iomem *of_iomap(struct device_node *device, int index);
361 347
362#endif /* __KERNEL__ */ 348#endif /* __KERNEL__ */
363#endif /* _POWERPC_PROM_H */ 349#endif /* _POWERPC_PROM_H */