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authorDavid S. Miller <davem@davemloft.net>2011-03-18 15:47:26 -0700
committerDavid S. Miller <davem@davemloft.net>2011-03-18 15:47:26 -0700
commit9889376ab91f89a5af7329ae34521dfc4b613ba9 (patch)
treebe68b5d253dffcb3d70bad665cb565dec11d462a /arch/sparc
parent930952af15f8425115528447102ed97610e98949 (diff)
sparc: Implement of_iomap().
Grab the pre-computed resource and map using of_ioremap(). Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/kernel/of_device_common.c14
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 0ed0321d84e..cb15bbf8a20 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.
*/