forked from ~ljy/RK356X_SDK_RELEASE

blame | history | patch | commit | commitdiff
hc
2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2 
 kernel/drivers/watchdog/intel_scu_watchdog.c
....@@ -1,31 +1,15 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  *      Intel_SCU 0.2:  An Intel SCU IOH Based Watchdog Device
34  *			for Intel part #(s):
45  *				- AF82MP20 PCH
56  *
67  *      Copyright (C) 2009-2010 Intel Corporation. All rights reserved.
7
- *
8
- *      This program is free software; you can redistribute it and/or
9
- *      modify it under the terms of version 2 of the GNU General
10
- *      Public License as published by the Free Software Foundation.
11
- *
12
- *      This program is distributed in the hope that it will be
13
- *      useful, but WITHOUT ANY WARRANTY; without even the implied
14
- *      warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15
- *      PURPOSE.  See the GNU General Public License for more details.
16
- *      You should have received a copy of the GNU General Public
17
- *      License along with this program; if not, write to the Free
18
- *      Software Foundation, Inc., 59 Temple Place - Suite 330,
19
- *      Boston, MA  02111-1307, USA.
20
- *      The full GNU General Public License is included in this
21
- *      distribution in the file called COPYING.
22
- *
238  */
249 
2510 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
2611 
2712 #include <linux/compiler.h>
28
-#include <linux/module.h>
2913 #include <linux/kernel.h>
3014 #include <linux/moduleparam.h>
3115 #include <linux/types.h>
....@@ -224,7 +208,7 @@
224208 		 watchdog_device.timer_tbl_ptr->freq_hz);
225209 	pr_debug("set_heartbeat: timer_set is %x (hex)\n",
226210 		 watchdog_device.timer_set);
227
-	pr_debug("set_hearbeat: timer_margin is %x (hex)\n", timer_margin);
211
+	pr_debug("set_heartbeat: timer_margin is %x (hex)\n", timer_margin);
228212 	pr_debug("set_heartbeat: threshold is %x (hex)\n",
229213 		 watchdog_device.threshold);
230214 	pr_debug("set_heartbeat: soft_threshold is %x (hex)\n",
....@@ -304,7 +288,7 @@
304288 	if (watchdog_device.driver_closed)
305289 		return -EPERM;
306290 
307
-	return nonseekable_open(inode, file);
291
+	return stream_open(inode, file);
308292 }
309293 
310294 static int intel_scu_release(struct inode *inode, struct file *file)
....@@ -428,6 +412,7 @@
428412 	.llseek         = no_llseek,
429413 	.write          = intel_scu_write,
430414 	.unlocked_ioctl = intel_scu_ioctl,
415
+	.compat_ioctl	= compat_ptr_ioctl,
431416 	.open           = intel_scu_open,
432417 	.release        = intel_scu_release,
433418 };
....@@ -478,7 +463,7 @@
478463 		return -ENODEV;
479464 	}
480465 
481
-	tmp_addr = ioremap_nocache(watchdog_device.timer_tbl_ptr->phys_addr,
466
+	tmp_addr = ioremap(watchdog_device.timer_tbl_ptr->phys_addr,
482467 			20);
483468 
484469 	if (tmp_addr == NULL) {
....@@ -545,21 +530,4 @@
545530 	iounmap(watchdog_device.timer_load_count_addr);
546531 	return ret;
547532 }
548
-
549
-static void __exit intel_scu_watchdog_exit(void)
550
-{
551
-
552
-	misc_deregister(&watchdog_device.miscdev);
553
-	unregister_reboot_notifier(&watchdog_device.intel_scu_notifier);
554
-	/* disable the timer */
555
-	iowrite32(0x00000002, watchdog_device.timer_control_addr);
556
-	iounmap(watchdog_device.timer_load_count_addr);
557
-}
558
-
559533 late_initcall(intel_scu_watchdog_init);
560
-module_exit(intel_scu_watchdog_exit);
561
-
562
-MODULE_AUTHOR("Intel Corporation");
563
-MODULE_DESCRIPTION("Intel SCU Watchdog Device Driver");
564
-MODULE_LICENSE("GPL");
565
-MODULE_VERSION(WDT_VER);