From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/drivers/mtd/lpddr/lpddr2_nvm.c | 13 +++----------
1 files changed, 3 insertions(+), 10 deletions(-)
diff --git a/kernel/drivers/mtd/lpddr/lpddr2_nvm.c b/kernel/drivers/mtd/lpddr/lpddr2_nvm.c
index 90e6cb6..add4386 100644
--- a/kernel/drivers/mtd/lpddr/lpddr2_nvm.c
+++ b/kernel/drivers/mtd/lpddr/lpddr2_nvm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* LPDDR2-NVM MTD driver. This module provides read, write, erase, lock/unlock
* support for LPDDR2-NVM PCM memories
@@ -7,16 +8,6 @@
* Vincenzo Aliberti <vincenzo.aliberti@gmail.com>
* Domenico Manna <domenico.manna@gmail.com>
* Many thanks to Andrea Vigilante for initial enabling
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": %s: " fmt, __func__
@@ -442,6 +433,8 @@
/* lpddr2_nvm address range */
add_range = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!add_range)
+ return -ENODEV;
/* Populate map_info data structure */
*map = (struct map_info) {
--
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