of: use __be32 types for big-endian device tree data

Use the sparse annotations so we can keep track of endianness.

Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

drivers/of/address.c

@@ -163,7 +163,7 @@ static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
 const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
 			unsigned int *flags)
 {
-	const u32 *prop;
+	const __be32 *prop;
 	unsigned int psize;
 	struct device_node *parent;
 	struct of_bus *bus;

drivers/of/base.c

@@ -33,7 +33,7 @@ DEFINE_RWLOCK(devtree_lock);
 
 int of_n_addr_cells(struct device_node *np)
 {
-	const int *ip;
+	const __be32 *ip;
 
 	do {
 		if (np->parent)
@@ -49,7 +49,7 @@ EXPORT_SYMBOL(of_n_addr_cells);
 
 int of_n_size_cells(struct device_node *np)
 {
-	const int *ip;
+	const __be32 *ip;
 
 	do {
 		if (np->parent)