修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/include/linux/sysrq.h
..
..
@@ -30,10 +30,10 @@
30
30
 #define SYSRQ_ENABLE_RTNICE	0x0100
31
31
 
32
32
 struct sysrq_key_op {
33
-	void (*handler)(int);
34
-	char *help_msg;
35
-	char *action_msg;
36
-	int enable_mask;
33
+	void (* const handler)(int);
34
+	const char * const help_msg;
35
+	const char * const action_msg;
36
+	const int enable_mask;
37
37
 };
38
38
 
39
39
 #ifdef CONFIG_MAGIC_SYSRQ
..
..
@@ -45,11 +45,12 @@
45
45
 
46
46
 void handle_sysrq(int key);
47
47
 void __handle_sysrq(int key, bool check_mask);
48
-int register_sysrq_key(int key, struct sysrq_key_op *op);
49
-int unregister_sysrq_key(int key, struct sysrq_key_op *op);
50
-struct sysrq_key_op *__sysrq_get_key_op(int key);
48
+int register_sysrq_key(int key, const struct sysrq_key_op *op);
49
+int unregister_sysrq_key(int key, const struct sysrq_key_op *op);
50
+extern const struct sysrq_key_op *__sysrq_reboot_op;
51
51
 
52
52
 int sysrq_toggle_support(int enable_mask);
53
+int sysrq_mask(void);
53
54
 
54
55
 #else
55
56
 
..
..
@@ -61,16 +62,22 @@
61
62
 {
62
63
 }
63
64
 
64
-static inline int register_sysrq_key(int key, struct sysrq_key_op *op)
65
+static inline int register_sysrq_key(int key, const struct sysrq_key_op *op)
65
66
 {
66
67
 	return -EINVAL;
67
68
 }
68
69
 
69
-static inline int unregister_sysrq_key(int key, struct sysrq_key_op *op)
70
+static inline int unregister_sysrq_key(int key, const struct sysrq_key_op *op)
70
71
 {
71
72
 	return -EINVAL;
72
73
 }
73
74
 
75
+static inline int sysrq_mask(void)
76
+{
77
+	/* Magic SysRq disabled mask */
78
+	return 0;
79
+}
80
+
74
81
 #endif
75
82
 
76
83
 #endif /* _LINUX_SYSRQ_H */