Grab the pre-computed resource and map using of_ioremap().
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
---
arch/sparc/kernel/of_device_common.c | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c
index 0ed0321..cb15bbf 100644
--- a/arch/sparc/kernel/of_device_common.c
+++ b/arch/sparc/kernel/of_device_common.c
@@ -35,6 +35,20 @@ int of_address_to_resource(struct device_node *node, int index,
}
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.
*/
--
1.7.4.1
--
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