From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/include/linux/watchdog.h | 9 ++++-----
1 files changed, 4 insertions(+), 5 deletions(-)
diff --git a/kernel/include/linux/watchdog.h b/kernel/include/linux/watchdog.h
index 44985c4..9b19e6b 100644
--- a/kernel/include/linux/watchdog.h
+++ b/kernel/include/linux/watchdog.h
@@ -37,15 +37,15 @@
*
* The watchdog_ops structure contains a list of low-level operations
* that control a watchdog device. It also contains the module that owns
- * these operations. The start and stop function are mandatory, all other
+ * these operations. The start function is mandatory, all other
* functions are optional.
*/
struct watchdog_ops {
struct module *owner;
/* mandatory operations */
int (*start)(struct watchdog_device *);
- int (*stop)(struct watchdog_device *);
/* optional operations */
+ int (*stop)(struct watchdog_device *);
int (*ping)(struct watchdog_device *);
unsigned int (*status)(struct watchdog_device *);
int (*set_timeout)(struct watchdog_device *, unsigned int);
@@ -90,9 +90,6 @@
*
* The driver-data field may not be accessed directly. It must be accessed
* via the watchdog_set_drvdata and watchdog_get_drvdata helpers.
- *
- * The lock field is for watchdog core internal use only and should not be
- * touched.
*/
struct watchdog_device {
int id;
@@ -213,6 +210,8 @@
extern int watchdog_register_device(struct watchdog_device *);
extern void watchdog_unregister_device(struct watchdog_device *);
+int watchdog_set_last_hw_keepalive(struct watchdog_device *, unsigned int);
+
/* devres register variant */
int devm_watchdog_register_device(struct device *dev, struct watchdog_device *);
--
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