ACPICA: Update internal namespace node/handle interfaces

This change deletes the unnecessary acpi_ns_convert_entry_to_handle
interface and renames the acpi_ns_map_handle_to_node interface to
acpi_ns_validate_handle.  ACPICA BZ 798.

http://www.acpica.org/bugzilla/show_bug.cgi?id=798

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c
index ddc84af..e611dd9 100644
--- a/drivers/acpi/acpica/nsxfname.c
+++ b/drivers/acpi/acpica/nsxfname.c
@@ -93,7 +93,7 @@
 	/* Convert a parent handle to a prefix node */
 
 	if (parent) {
-		prefix_node = acpi_ns_map_handle_to_node(parent);
+		prefix_node = acpi_ns_validate_handle(parent);
 		if (!prefix_node) {
 			return (AE_BAD_PARAMETER);
 		}
@@ -114,7 +114,7 @@
 
 		if (!ACPI_STRCMP(pathname, ACPI_NS_ROOT_PATH)) {
 			*ret_handle =
-			    acpi_ns_convert_entry_to_handle(acpi_gbl_root_node);
+			    ACPI_CAST_PTR(acpi_handle, acpi_gbl_root_node);
 			return (AE_OK);
 		}
 	} else if (!prefix_node) {
@@ -129,7 +129,7 @@
 	status =
 	    acpi_ns_get_node(prefix_node, pathname, ACPI_NS_NO_UPSEARCH, &node);
 	if (ACPI_SUCCESS(status)) {
-		*ret_handle = acpi_ns_convert_entry_to_handle(node);
+		*ret_handle = ACPI_CAST_PTR(acpi_handle, node);
 	}
 
 	return (status);
@@ -186,7 +186,7 @@
 		return (status);
 	}
 
-	node = acpi_ns_map_handle_to_node(handle);
+	node = acpi_ns_validate_handle(handle);
 	if (!node) {
 		status = AE_BAD_PARAMETER;
 		goto unlock_and_exit;
@@ -291,7 +291,7 @@
 		goto cleanup;
 	}
 
-	node = acpi_ns_map_handle_to_node(handle);
+	node = acpi_ns_validate_handle(handle);
 	if (!node) {
 		(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
 		return (AE_BAD_PARAMETER);