add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/watchdog/nv_tco.c
..
..
@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
1
2
 /*
2
3
  *	nv_tco 0.01:	TCO timer driver for NV chipsets
3
4
  *
..
..
@@ -6,12 +7,7 @@
6
7
  *	Based off i8xx_tco.c:
7
8
  *	(c) Copyright 2000 kernel concepts <nils@kernelconcepts.de>, All Rights
8
9
  *	Reserved.
9
- *				http://www.kernelconcepts.de
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
14
- *	2 of the License, or (at your option) any later version.
10
+ *				https://www.kernelconcepts.de
15
11
  *
16
12
  *	TCO timer driver for NV chipsets
17
13
  *	based on softdog.c by Alan Cox <alan@redhat.com>
..
..
@@ -161,7 +157,7 @@
161
157
 	/* Reload and activate timer */
162
158
 	tco_timer_keepalive();
163
159
 	tco_timer_start();
164
-	return nonseekable_open(inode, file);
160
+	return stream_open(inode, file);
165
161
 }
166
162
 
167
163
 static int nv_tco_release(struct inode *inode, struct file *file)
..
..
@@ -254,7 +250,7 @@
254
250
 		if (tco_timer_set_heartbeat(new_heartbeat))
255
251
 			return -EINVAL;
256
252
 		tco_timer_keepalive();
257
-		/* Fall through */
253
+		fallthrough;
258
254
 	case WDIOC_GETTIMEOUT:
259
255
 		return put_user(heartbeat, p);
260
256
 	default:
..
..
@@ -271,6 +267,7 @@
271
267
 	.llseek =		no_llseek,
272
268
 	.write =		nv_tco_write,
273
269
 	.unlocked_ioctl =	nv_tco_ioctl,
270
+	.compat_ioctl =		compat_ptr_ioctl,
274
271
 	.open =			nv_tco_open,
275
272
 	.release =		nv_tco_release,
276
273
 };