crypto: n2 - Use of_property_read_reg() to parse "reg"

Use the recently added of_property_read_reg() helper to get the
untranslated "reg" address value.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/n2_core.c

@@ -9,6 +9,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/of.h>
+#include <linux/of_address.h>
 #include <linux/of_device.h>
 #include <linux/cpumask.h>
 #include <linux/slab.h>
@@ -1795,11 +1796,9 @@ static int grab_mdesc_irq_props(struct mdesc_handle *mdesc,
 				struct spu_mdesc_info *ip,
 				const char *node_name)
 {
-	const unsigned int *reg;
-	u64 node;
+	u64 node, reg;
 
-	reg = of_get_property(dev->dev.of_node, "reg", NULL);
-	if (!reg)
+	if (of_property_read_reg(dev->dev.of_node, 0, &reg, NULL) < 0)
 		return -ENODEV;
 
 	mdesc_for_each_node_by_name(mdesc, node, "virtual-device") {
@@ -1810,7 +1809,7 @@ static int grab_mdesc_irq_props(struct mdesc_handle *mdesc,
 		if (!name || strcmp(name, node_name))
 			continue;
 		chdl = mdesc_get_property(mdesc, node, "cfg-handle", NULL);
-		if (!chdl || (*chdl != *reg))
+		if (!chdl || (*chdl != reg))
 			continue;
 		ip->cfg_handle = *chdl;
 		return get_irq_props(mdesc, node, ip);