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 49ddff56cb0..cb15bbf8a20 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) } EXPORT_SYMBOL(irq_of_parse_and_map); +int of_address_to_resource(struct device_node *node, int index, + struct resource *r) +{ + struct platform_device *op = of_find_device_by_node(node); + + if (!op || index >= op->num_resources) + return -EINVAL; + + memcpy(r, &op->archdata.resource[index], sizeof(*r)); + return 0; +} +EXPORT_SYMBOL_GPL(of_address_to_resource); + +void __iomem *of_iomap(struct device_node *node, int index) +{ + struct platform_device *op = of_find_device_by_node(node); + struct resource *r; + + if (!op || index >= op->num_resources) + return NULL; + + r = &op->archdata.resource[index]; + + return of_ioremap(r, 0, resource_size(r), (char *) r->name); +} +EXPORT_SYMBOL(of_iomap); + /* Take the archdata values for IOMMU, STC, and HOSTDATA found in * BUS and propagate to all child platform_device objects. */ |