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/watchdog/ie6xx_wdt.c | 41 ++++++-----------------------------------
1 files changed, 6 insertions(+), 35 deletions(-)
diff --git a/kernel/drivers/watchdog/ie6xx_wdt.c b/kernel/drivers/watchdog/ie6xx_wdt.c
index 78c2541..8f28993 100644
--- a/kernel/drivers/watchdog/ie6xx_wdt.c
+++ b/kernel/drivers/watchdog/ie6xx_wdt.c
@@ -1,24 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Intel Atom E6xx Watchdog driver
*
* Copyright (C) 2011 Alexander Stein
* <alexander.stein@systec-electronic.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General
- * Public License as published by the Free Software Foundation.
- *
- * 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.
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- * The full GNU General Public License is included in this
- * distribution in the file called COPYING.
- *
*/
#include <linux/module.h>
@@ -81,7 +66,7 @@
static struct {
unsigned short sch_wdtba;
- struct spinlock unlock_sequence;
+ spinlock_t unlock_sequence;
#ifdef CONFIG_DEBUG_FS
struct dentry *debugfs;
#endif
@@ -193,7 +178,7 @@
#ifdef CONFIG_DEBUG_FS
-static int ie6xx_wdt_dbg_show(struct seq_file *s, void *unused)
+static int ie6xx_wdt_show(struct seq_file *s, void *unused)
{
seq_printf(s, "PV1 = 0x%08x\n",
inl(ie6xx_wdt_data.sch_wdtba + PV1));
@@ -212,23 +197,13 @@
return 0;
}
-static int ie6xx_wdt_dbg_open(struct inode *inode, struct file *file)
-{
- return single_open(file, ie6xx_wdt_dbg_show, NULL);
-}
-
-static const struct file_operations ie6xx_wdt_dbg_operations = {
- .open = ie6xx_wdt_dbg_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(ie6xx_wdt);
static void ie6xx_wdt_debugfs_init(void)
{
/* /sys/kernel/debug/ie6xx_wdt */
ie6xx_wdt_data.debugfs = debugfs_create_file("ie6xx_wdt",
- S_IFREG | S_IRUGO, NULL, NULL, &ie6xx_wdt_dbg_operations);
+ S_IFREG | S_IRUGO, NULL, NULL, &ie6xx_wdt_fops);
}
static void ie6xx_wdt_debugfs_exit(void)
@@ -279,12 +254,8 @@
ie6xx_wdt_debugfs_init();
ret = watchdog_register_device(&ie6xx_wdt_dev);
- if (ret) {
- dev_err(&pdev->dev,
- "Watchdog timer: cannot register device (err =%d)\n",
- ret);
+ if (ret)
goto misc_register_error;
- }
return 0;
--
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