~hc/RK356X_SDK_RELEASE.git

..	..	@@ -1,3 +1,4 @@
	1	+// SPDX-License-Identifier: GPL-2.0-or-later
1	2	/*
2	3	* LPDDR2-NVM MTD driver. This module provides read, write, erase, lock/unlock
3	4	* support for LPDDR2-NVM PCM memories
..	..	@@ -7,16 +8,6 @@
7	8	* Vincenzo Aliberti <vincenzo.aliberti@gmail.com>
8	9	* Domenico Manna <domenico.manna@gmail.com>
9	10	* Many thanks to Andrea Vigilante for initial enabling
10		- *
11		- * This program is free software; you can redistribute it and/or
12		- * modify it under the terms of the GNU General Public License
13		- * as published by the Free Software Foundation; either version 2
14		- * of the License, or (at your option) any later version.
15		- *
16		- * This program is distributed in the hope that it will be useful,
17		- * but WITHOUT ANY WARRANTY; without even the implied warranty of
18		- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19		- * GNU General Public License for more details.
20	11	*/
21	12
22	13	#define pr_fmt(fmt) KBUILD_MODNAME ": %s: " fmt, __func__
..	..	@@ -442,6 +433,8 @@
442	433
443	434	/* lpddr2_nvm address range */
444	435	add_range = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	436	+ if (!add_range)
	437	+ return -ENODEV;
445	438
446	439	/* Populate map_info data structure */
447	440	*map = (struct map_info) {