of: make of_find_device_by_node generic

There's no need for this function to be architecture specific and all four
architectures defining it had the same definition.  The function has been
moved to drivers/of/platform.c.

Signed-off-by: Jonas Bonn <jonas@southpole.se>
[grant.likely@secretlab.ca: moved to drivers/of/platform.c, simplified code, and added kerneldoc comment]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 16 deletions

diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
index 84439d1b7cb3..760a7af7fdb5 100644
--- a/arch/powerpc/kernel/of_platform.c
+++ b/arch/powerpc/kernel/of_platform.c
@@ -52,22 +52,6 @@ const struct of_device_id of_default_bus_ids[] = {
         {},
 };
 
-static int of_dev_node_match(struct device *dev, void *data)
-{
-        return to_platform_device(dev)->dev.of_node == data;
-}
-
-struct platform_device *of_find_device_by_node(struct device_node *np)
-{
-        struct device *dev;
-
-        dev = bus_find_device(&platform_bus_type, NULL, np, of_dev_node_match);
-        if (dev)
-                return to_platform_device(dev);
-        return NULL;
-}
-EXPORT_SYMBOL(of_find_device_by_node);
-
 #ifdef CONFIG_PPC_OF_PLATFORM_PCI
 
 /* The probing of PCI controllers from of_platform is currently