[POWERPC] get_property returns const

This just tidies up some of the remains.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 0e4042b..d1a8134 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -2320,7 +2320,7 @@
 	struct net_device *dev = port->netdev;
 	struct ehea_adapter *adapter = port->adapter;
 	struct hcp_ehea_port_cb4 *cb4;
-	u32 *dn_log_port_id;
+	const u32 *dn_log_port_id;
 	int jumbo = 0;
 
 	sema_init(&port->port_lock, 1);
@@ -2336,7 +2336,7 @@
 	port->of_dev_node = dn;
 
 	/* Determine logical port id */
-	dn_log_port_id = (u32*)get_property(dn, "ibm,hea-port-no", NULL);
+	dn_log_port_id = get_property(dn, "ibm,hea-port-no", NULL);
 
 	if (!dn_log_port_id) {
 		ehea_error("bad device node: dn_log_port_id=%p",
@@ -2492,7 +2492,7 @@
 				const struct of_device_id *id)
 {
 	struct ehea_adapter *adapter;
-	u64 *adapter_handle;
+	const u64 *adapter_handle;
 	int ret;
 
 	adapter = kzalloc(sizeof(*adapter), GFP_KERNEL);
@@ -2502,7 +2502,7 @@
 		goto out;
 	}
 
-	adapter_handle = (u64*)get_property(dev->ofdev.node, "ibm,hea-handle",
+	adapter_handle = get_property(dev->ofdev.node, "ibm,hea-handle",
 					    NULL);
 	if (adapter_handle)
 		adapter->handle = *adapter_handle;