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linux驱动开发杂记(0x16)

admin 11月 14, 2020 0

2.6.13 - 2.6.14

添加

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2.6.14 - 2.6.15

添加

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static inline void (struct timer_list * timer,
                              void (*function)(unsigned long),
                               unsigned long data)

3.6 - 3.7

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void init_timer_key(struct timer_list *timer,
                   const char *name,
                   struct lock_class_key *key);

void init_timer_key(struct timer_list *timer, unsigned int flags,
                   const char *name, struct lock_class_key *key);

删除setup_timer_key

4.1 - 4.2

修改

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struct timer_list {
	......
	struct tvec_base *base;

	void (*function)(unsigned long);
	unsigned long data;

	int slack;
	......
};
//改为
struct timer_list {
	......
	void			(*function)(unsigned long);
	unsigned long		data;
	u32			flags;
	int			slack;
	......
};

4.7 - 4.8

  1. 删除struct timer_list {}中的

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    int			slack;

  2. 添加TIMER_PINNED_INITIALIZER

  3. 添加init_timer_pinned

    4.13 - 4.14

    添加 

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    static inline void timer_setup(struct timer_list *timer,
    			       void (*callback)(struct timer_list *),
    			       unsigned int flags)
    		 
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from_timer(var, callback_timer, timer_fieldname)

4.14 - 4.15

修改

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struct timer_list {
	......
	void			(*function)(unsigned long);
	unsigned long		data;
	u32			flags;
	......
};
//改为
struct timer_list {
	......
	void			(*function)(struct timer_list *);
	u32			flags;
	......
};
 

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//改为
#define DEFINE_TIMER(_name, _function)
  1. 去除setup_timer函数，改为timer_setup(timer, callback, flags)
  2. 去除init_timer函数
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    void init_timer_key(struct timer_list *timer, unsigned int flags,
    		    const char *name, struct lock_class_key *key);

    void init_timer_key(struct timer_list *timer,
    	  void (*func)(struct timer_list *), unsigned int flags,
    	  const char *name, struct lock_class_key *key);
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