Similarly to irq_of_parse_and_map(), find the platform_device
object and return the pre-computed resource.
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
---
arch/sparc/kernel/of_device_common.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c
index 49ddff5..0ed0321 100644
--- a/arch/sparc/kernel/of_device_common.c
+++ b/arch/sparc/kernel/of_device_common.c
@@ -22,6 +22,19 @@ 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);
+
/* Take the archdata values for IOMMU, STC, and HOSTDATA found in
* BUS and propagate to all child platform_device objects.
*/
--
1.7.4.1
--
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