Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) struct list {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) 	struct list *next, *prev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) list_init(struct list *list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	list->next = list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	list->prev = list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) list_empty(struct list *list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	return list->next == list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) list_insert(struct list *link, struct list *new_link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	new_link->prev		= link->prev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	new_link->next		= link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	new_link->prev->next	= new_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	new_link->next->prev	= new_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) list_append(struct list *list, struct list *new_link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	list_insert((struct list *)list, new_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) list_prepend(struct list *list, struct list *new_link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	list_insert(list->next, new_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) list_remove(struct list *link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	link->prev->next = link->next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	link->next->prev = link->prev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define list_entry(link, type, member) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	((type *)((char *)(link)-(unsigned long)(&((type *)0)->member)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define list_head(list, type, member)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	list_entry((list)->next, type, member)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define list_tail(list, type, member)		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	list_entry((list)->prev, type, member)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define list_next(elm, member)					\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	list_entry((elm)->member.next, typeof(*elm), member)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define list_for_each_entry(pos, list, member)			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	for (pos = list_head(list, typeof(*pos), member);	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	     &pos->member != (list);				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	     pos = list_next(pos, member))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)