diff options
Diffstat (limited to 'arch/sparc/kernel/of_device_common.c')
-rw-r--r-- | arch/sparc/kernel/of_device_common.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c index 49ddff56cb04..cb15bbf8a201 100644 --- a/arch/sparc/kernel/of_device_common.c +++ b/arch/sparc/kernel/of_device_common.c | |||
@@ -22,6 +22,33 @@ unsigned int irq_of_parse_and_map(struct device_node *node, int index) | |||
22 | } | 22 | } |
23 | EXPORT_SYMBOL(irq_of_parse_and_map); | 23 | EXPORT_SYMBOL(irq_of_parse_and_map); |
24 | 24 | ||
25 | int of_address_to_resource(struct device_node *node, int index, | ||
26 | struct resource *r) | ||
27 | { | ||
28 | struct platform_device *op = of_find_device_by_node(node); | ||
29 | |||
30 | if (!op || index >= op->num_resources) | ||
31 | return -EINVAL; | ||
32 | |||
33 | memcpy(r, &op->archdata.resource[index], sizeof(*r)); | ||
34 | return 0; | ||
35 | } | ||
36 | EXPORT_SYMBOL_GPL(of_address_to_resource); | ||
37 | |||
38 | void __iomem *of_iomap(struct device_node *node, int index) | ||
39 | { | ||
40 | struct platform_device *op = of_find_device_by_node(node); | ||
41 | struct resource *r; | ||
42 | |||
43 | if (!op || index >= op->num_resources) | ||
44 | return NULL; | ||
45 | |||
46 | r = &op->archdata.resource[index]; | ||
47 | |||
48 | return of_ioremap(r, 0, resource_size(r), (char *) r->name); | ||
49 | } | ||
50 | EXPORT_SYMBOL(of_iomap); | ||
51 | |||
25 | /* Take the archdata values for IOMMU, STC, and HOSTDATA found in | 52 | /* Take the archdata values for IOMMU, STC, and HOSTDATA found in |
26 | * BUS and propagate to all child platform_device objects. | 53 | * BUS and propagate to all child platform_device objects. |
27 | */ | 54 | */ |