diff options
| author | Wim Van Sebroeck <wim@iguana.be> | 2007-05-11 19:03:13 +0000 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2007-05-11 19:03:13 +0000 |
| commit | 5c34202b8bf942da411b6599668a76b07449bbfd (patch) | |
| tree | 5719c361321eaddc8e4f1b0c8a7994f0e9a6fdd3 /arch/powerpc/kernel/prom_parse.c | |
| parent | 0d4804b31f91cfbcff6d62af0bc09a893a1c8ae0 (diff) | |
| parent | 1f8a6b658a943b4f04a1fc7b3a420360202c86cd (diff) | |
| download | kernel-crypto-5c34202b8bf942da411b6599668a76b07449bbfd.tar.gz kernel-crypto-5c34202b8bf942da411b6599668a76b07449bbfd.tar.xz kernel-crypto-5c34202b8bf942da411b6599668a76b07449bbfd.zip | |
Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/powerpc/kernel/prom_parse.c')
| -rw-r--r-- | arch/powerpc/kernel/prom_parse.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index aa40a530729..b5c96af955c 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -1042,3 +1042,28 @@ const void *of_get_mac_address(struct device_node *np) } EXPORT_SYMBOL(of_get_mac_address); +int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) +{ + int irq = irq_of_parse_and_map(dev, index); + + /* Only dereference the resource if both the + * resource and the irq are valid. */ + if (r && irq != NO_IRQ) { + r->start = r->end = irq; + r->flags = IORESOURCE_IRQ; + } + + return irq; +} +EXPORT_SYMBOL_GPL(of_irq_to_resource); + +void __iomem *of_iomap(struct device_node *np, int index) +{ + struct resource res; + + if (of_address_to_resource(np, index, &res)) + return NULL; + + return ioremap(res.start, 1 + res.end - res.start); +} +EXPORT_SYMBOL(of_iomap); |