On Wed, Feb 28, 2018 at 2:17 PM, Matthias Kaehlcke <m...@chromium.org> wrote:
> The util mkregtable includes a copy of the kernel API for linked lists,
> only a small subset of it is used. Delete the unused functions and macros.
>
> Signed-off-by: Matthias Kaehlcke <m...@chromium.org>

Reviewed-by: Guenter Roeck <gro...@chromium.org>

> ---
>  drivers/gpu/drm/radeon/mkregtable.c | 433 ----------------------------
>  1 file changed, 433 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/mkregtable.c 
> b/drivers/gpu/drm/radeon/mkregtable.c
> index c21d8fa591ef..ba704633b072 100644
> --- a/drivers/gpu/drm/radeon/mkregtable.c
> +++ b/drivers/gpu/drm/radeon/mkregtable.c
> @@ -43,10 +43,6 @@ struct list_head {
>         struct list_head *next, *prev;
>  };
>
> -#define LIST_HEAD_INIT(name) { &(name), &(name) }
> -
> -#define LIST_HEAD(name) \
> -       struct list_head name = LIST_HEAD_INIT(name)
>
>  static inline void INIT_LIST_HEAD(struct list_head *list)
>  {
> @@ -74,19 +70,6 @@ extern void __list_add(struct list_head *new,
>                        struct list_head *prev, struct list_head *next);
>  #endif
>
> -/**
> - * list_add - add a new entry
> - * @new: new entry to be added
> - * @head: list head to add it after
> - *
> - * Insert a new entry after the specified head.
> - * This is good for implementing stacks.
> - */
> -static inline void list_add(struct list_head *new, struct list_head *head)
> -{
> -       __list_add(new, head, head->next);
> -}
> -
>  /**
>   * list_add_tail - add a new entry
>   * @new: new entry to be added
> @@ -100,250 +83,6 @@ static inline void list_add_tail(struct list_head *new, 
> struct list_head *head)
>         __list_add(new, head->prev, head);
>  }
>
> -/*
> - * Delete a list entry by making the prev/next entries
> - * point to each other.
> - *
> - * This is only for internal list manipulation where we know
> - * the prev/next entries already!
> - */
> -static inline void __list_del(struct list_head *prev, struct list_head *next)
> -{
> -       next->prev = prev;
> -       prev->next = next;
> -}
> -
> -/**
> - * list_del - deletes entry from list.
> - * @entry: the element to delete from the list.
> - * Note: list_empty() on entry does not return true after this, the entry is
> - * in an undefined state.
> - */
> -#ifndef CONFIG_DEBUG_LIST
> -static inline void list_del(struct list_head *entry)
> -{
> -       __list_del(entry->prev, entry->next);
> -       entry->next = (void *)0xDEADBEEF;
> -       entry->prev = (void *)0xBEEFDEAD;
> -}
> -#else
> -extern void list_del(struct list_head *entry);
> -#endif
> -
> -/**
> - * list_replace - replace old entry by new one
> - * @old : the element to be replaced
> - * @new : the new element to insert
> - *
> - * If @old was empty, it will be overwritten.
> - */
> -static inline void list_replace(struct list_head *old, struct list_head *new)
> -{
> -       new->next = old->next;
> -       new->next->prev = new;
> -       new->prev = old->prev;
> -       new->prev->next = new;
> -}
> -
> -static inline void list_replace_init(struct list_head *old,
> -                                    struct list_head *new)
> -{
> -       list_replace(old, new);
> -       INIT_LIST_HEAD(old);
> -}
> -
> -/**
> - * list_del_init - deletes entry from list and reinitialize it.
> - * @entry: the element to delete from the list.
> - */
> -static inline void list_del_init(struct list_head *entry)
> -{
> -       __list_del(entry->prev, entry->next);
> -       INIT_LIST_HEAD(entry);
> -}
> -
> -/**
> - * list_move - delete from one list and add as another's head
> - * @list: the entry to move
> - * @head: the head that will precede our entry
> - */
> -static inline void list_move(struct list_head *list, struct list_head *head)
> -{
> -       __list_del(list->prev, list->next);
> -       list_add(list, head);
> -}
> -
> -/**
> - * list_move_tail - delete from one list and add as another's tail
> - * @list: the entry to move
> - * @head: the head that will follow our entry
> - */
> -static inline void list_move_tail(struct list_head *list,
> -                                 struct list_head *head)
> -{
> -       __list_del(list->prev, list->next);
> -       list_add_tail(list, head);
> -}
> -
> -/**
> - * list_is_last - tests whether @list is the last entry in list @head
> - * @list: the entry to test
> - * @head: the head of the list
> - */
> -static inline int list_is_last(const struct list_head *list,
> -                              const struct list_head *head)
> -{
> -       return list->next == head;
> -}
> -
> -/**
> - * list_empty - tests whether a list is empty
> - * @head: the list to test.
> - */
> -static inline int list_empty(const struct list_head *head)
> -{
> -       return head->next == head;
> -}
> -
> -/**
> - * list_empty_careful - tests whether a list is empty and not being modified
> - * @head: the list to test
> - *
> - * Description:
> - * tests whether a list is empty _and_ checks that no other CPU might be
> - * in the process of modifying either member (next or prev)
> - *
> - * NOTE: using list_empty_careful() without synchronization
> - * can only be safe if the only activity that can happen
> - * to the list entry is list_del_init(). Eg. it cannot be used
> - * if another CPU could re-list_add() it.
> - */
> -static inline int list_empty_careful(const struct list_head *head)
> -{
> -       struct list_head *next = head->next;
> -       return (next == head) && (next == head->prev);
> -}
> -
> -/**
> - * list_is_singular - tests whether a list has just one entry.
> - * @head: the list to test.
> - */
> -static inline int list_is_singular(const struct list_head *head)
> -{
> -       return !list_empty(head) && (head->next == head->prev);
> -}
> -
> -static inline void __list_cut_position(struct list_head *list,
> -                                      struct list_head *head,
> -                                      struct list_head *entry)
> -{
> -       struct list_head *new_first = entry->next;
> -       list->next = head->next;
> -       list->next->prev = list;
> -       list->prev = entry;
> -       entry->next = list;
> -       head->next = new_first;
> -       new_first->prev = head;
> -}
> -
> -/**
> - * list_cut_position - cut a list into two
> - * @list: a new list to add all removed entries
> - * @head: a list with entries
> - * @entry: an entry within head, could be the head itself
> - *     and if so we won't cut the list
> - *
> - * This helper moves the initial part of @head, up to and
> - * including @entry, from @head to @list. You should
> - * pass on @entry an element you know is on @head. @list
> - * should be an empty list or a list you do not care about
> - * losing its data.
> - *
> - */
> -static inline void list_cut_position(struct list_head *list,
> -                                    struct list_head *head,
> -                                    struct list_head *entry)
> -{
> -       if (list_empty(head))
> -               return;
> -       if (list_is_singular(head) && (head->next != entry && head != entry))
> -               return;
> -       if (entry == head)
> -               INIT_LIST_HEAD(list);
> -       else
> -               __list_cut_position(list, head, entry);
> -}
> -
> -static inline void __list_splice(const struct list_head *list,
> -                                struct list_head *prev, struct list_head 
> *next)
> -{
> -       struct list_head *first = list->next;
> -       struct list_head *last = list->prev;
> -
> -       first->prev = prev;
> -       prev->next = first;
> -
> -       last->next = next;
> -       next->prev = last;
> -}
> -
> -/**
> - * list_splice - join two lists, this is designed for stacks
> - * @list: the new list to add.
> - * @head: the place to add it in the first list.
> - */
> -static inline void list_splice(const struct list_head *list,
> -                              struct list_head *head)
> -{
> -       if (!list_empty(list))
> -               __list_splice(list, head, head->next);
> -}
> -
> -/**
> - * list_splice_tail - join two lists, each list being a queue
> - * @list: the new list to add.
> - * @head: the place to add it in the first list.
> - */
> -static inline void list_splice_tail(struct list_head *list,
> -                                   struct list_head *head)
> -{
> -       if (!list_empty(list))
> -               __list_splice(list, head->prev, head);
> -}
> -
> -/**
> - * list_splice_init - join two lists and reinitialise the emptied list.
> - * @list: the new list to add.
> - * @head: the place to add it in the first list.
> - *
> - * The list at @list is reinitialised
> - */
> -static inline void list_splice_init(struct list_head *list,
> -                                   struct list_head *head)
> -{
> -       if (!list_empty(list)) {
> -               __list_splice(list, head, head->next);
> -               INIT_LIST_HEAD(list);
> -       }
> -}
> -
> -/**
> - * list_splice_tail_init - join two lists and reinitialise the emptied list
> - * @list: the new list to add.
> - * @head: the place to add it in the first list.
> - *
> - * Each of the lists is a queue.
> - * The list at @list is reinitialised
> - */
> -static inline void list_splice_tail_init(struct list_head *list,
> -                                        struct list_head *head)
> -{
> -       if (!list_empty(list)) {
> -               __list_splice(list, head->prev, head);
> -               INIT_LIST_HEAD(list);
> -       }
> -}
> -
>  /**
>   * list_entry - get the struct for this entry
>   * @ptr:       the &struct list_head pointer.
> @@ -353,56 +92,6 @@ static inline void list_splice_tail_init(struct list_head 
> *list,
>  #define list_entry(ptr, type, member) \
>         container_of(ptr, type, member)
>
> -/**
> - * list_first_entry - get the first element from a list
> - * @ptr:       the list head to take the element from.
> - * @type:      the type of the struct this is embedded in.
> - * @member:    the name of the list_head within the struct.
> - *
> - * Note, that list is expected to be not empty.
> - */
> -#define list_first_entry(ptr, type, member) \
> -       list_entry((ptr)->next, type, member)
> -
> -/**
> - * list_for_each       -       iterate over a list
> - * @pos:       the &struct list_head to use as a loop cursor.
> - * @head:      the head for your list.
> - */
> -#define list_for_each(pos, head) \
> -       for (pos = (head)->next; prefetch(pos->next), pos != (head); \
> -               pos = pos->next)
> -
> -/**
> - * list_for_each_prev  -       iterate over a list backwards
> - * @pos:       the &struct list_head to use as a loop cursor.
> - * @head:      the head for your list.
> - */
> -#define list_for_each_prev(pos, head) \
> -       for (pos = (head)->prev; prefetch(pos->prev), pos != (head); \
> -               pos = pos->prev)
> -
> -/**
> - * list_for_each_safe - iterate over a list safe against removal of list 
> entry
> - * @pos:       the &struct list_head to use as a loop cursor.
> - * @n:         another &struct list_head to use as temporary storage
> - * @head:      the head for your list.
> - */
> -#define list_for_each_safe(pos, n, head) \
> -       for (pos = (head)->next, n = pos->next; pos != (head); \
> -               pos = n, n = pos->next)
> -
> -/**
> - * list_for_each_prev_safe - iterate over a list backwards safe against 
> removal of list entry
> - * @pos:       the &struct list_head to use as a loop cursor.
> - * @n:         another &struct list_head to use as temporary storage
> - * @head:      the head for your list.
> - */
> -#define list_for_each_prev_safe(pos, n, head) \
> -       for (pos = (head)->prev, n = pos->prev; \
> -            prefetch(pos->prev), pos != (head); \
> -            pos = n, n = pos->prev)
> -
>  /**
>   * list_for_each_entry -       iterate over list of given type
>   * @pos:       the type * to use as a loop cursor.
> @@ -414,128 +103,6 @@ static inline void list_splice_tail_init(struct 
> list_head *list,
>              &pos->member != (head);    \
>              pos = list_entry(pos->member.next, typeof(*pos), member))
>
> -/**
> - * list_for_each_entry_reverse - iterate backwards over list of given type.
> - * @pos:       the type * to use as a loop cursor.
> - * @head:      the head for your list.
> - * @member:    the name of the list_head within the struct.
> - */
> -#define list_for_each_entry_reverse(pos, head, member)                 \
> -       for (pos = list_entry((head)->prev, typeof(*pos), member);      \
> -            prefetch(pos->member.prev), &pos->member != (head);        \
> -            pos = list_entry(pos->member.prev, typeof(*pos), member))
> -
> -/**
> - * list_prepare_entry - prepare a pos entry for use in 
> list_for_each_entry_continue()
> - * @pos:       the type * to use as a start point
> - * @head:      the head of the list
> - * @member:    the name of the list_head within the struct.
> - *
> - * Prepares a pos entry for use as a start point in 
> list_for_each_entry_continue().
> - */
> -#define list_prepare_entry(pos, head, member) \
> -       ((pos) ? : list_entry(head, typeof(*pos), member))
> -
> -/**
> - * list_for_each_entry_continue - continue iteration over list of given type
> - * @pos:       the type * to use as a loop cursor.
> - * @head:      the head for your list.
> - * @member:    the name of the list_head within the struct.
> - *
> - * Continue to iterate over list of given type, continuing after
> - * the current position.
> - */
> -#define list_for_each_entry_continue(pos, head, member)                \
> -       for (pos = list_entry(pos->member.next, typeof(*pos), member);  \
> -            prefetch(pos->member.next), &pos->member != (head);        \
> -            pos = list_entry(pos->member.next, typeof(*pos), member))
> -
> -/**
> - * list_for_each_entry_continue_reverse - iterate backwards from the given 
> point
> - * @pos:       the type * to use as a loop cursor.
> - * @head:      the head for your list.
> - * @member:    the name of the list_head within the struct.
> - *
> - * Start to iterate over list of given type backwards, continuing after
> - * the current position.
> - */
> -#define list_for_each_entry_continue_reverse(pos, head, member)              
>   \
> -       for (pos = list_entry(pos->member.prev, typeof(*pos), member);  \
> -            prefetch(pos->member.prev), &pos->member != (head);        \
> -            pos = list_entry(pos->member.prev, typeof(*pos), member))
> -
> -/**
> - * list_for_each_entry_from - iterate over list of given type from the 
> current point
> - * @pos:       the type * to use as a loop cursor.
> - * @head:      the head for your list.
> - * @member:    the name of the list_head within the struct.
> - *
> - * Iterate over list of given type, continuing from current position.
> - */
> -#define list_for_each_entry_from(pos, head, member)                    \
> -       for (; prefetch(pos->member.next), &pos->member != (head);      \
> -            pos = list_entry(pos->member.next, typeof(*pos), member))
> -
> -/**
> - * list_for_each_entry_safe - iterate over list of given type safe against 
> removal of list entry
> - * @pos:       the type * to use as a loop cursor.
> - * @n:         another type * to use as temporary storage
> - * @head:      the head for your list.
> - * @member:    the name of the list_head within the struct.
> - */
> -#define list_for_each_entry_safe(pos, n, head, member)                 \
> -       for (pos = list_entry((head)->next, typeof(*pos), member),      \
> -               n = list_entry(pos->member.next, typeof(*pos), member); \
> -            &pos->member != (head);                                    \
> -            pos = n, n = list_entry(n->member.next, typeof(*n), member))
> -
> -/**
> - * list_for_each_entry_safe_continue
> - * @pos:       the type * to use as a loop cursor.
> - * @n:         another type * to use as temporary storage
> - * @head:      the head for your list.
> - * @member:    the name of the list_head within the struct.
> - *
> - * Iterate over list of given type, continuing after current point,
> - * safe against removal of list entry.
> - */
> -#define list_for_each_entry_safe_continue(pos, n, head, member)              
>   \
> -       for (pos = list_entry(pos->member.next, typeof(*pos), member),        
>   \
> -               n = list_entry(pos->member.next, typeof(*pos), member);       
>   \
> -            &pos->member != (head);                                          
>   \
> -            pos = n, n = list_entry(n->member.next, typeof(*n), member))
> -
> -/**
> - * list_for_each_entry_safe_from
> - * @pos:       the type * to use as a loop cursor.
> - * @n:         another type * to use as temporary storage
> - * @head:      the head for your list.
> - * @member:    the name of the list_head within the struct.
> - *
> - * Iterate over list of given type from current point, safe against
> - * removal of list entry.
> - */
> -#define list_for_each_entry_safe_from(pos, n, head, member)                  
>   \
> -       for (n = list_entry(pos->member.next, typeof(*pos), member);          
>   \
> -            &pos->member != (head);                                          
>   \
> -            pos = n, n = list_entry(n->member.next, typeof(*n), member))
> -
> -/**
> - * list_for_each_entry_safe_reverse
> - * @pos:       the type * to use as a loop cursor.
> - * @n:         another type * to use as temporary storage
> - * @head:      the head for your list.
> - * @member:    the name of the list_head within the struct.
> - *
> - * Iterate backwards over list of given type, safe against removal
> - * of list entry.
> - */
> -#define list_for_each_entry_safe_reverse(pos, n, head, member)         \
> -       for (pos = list_entry((head)->prev, typeof(*pos), member),      \
> -               n = list_entry(pos->member.prev, typeof(*pos), member); \
> -            &pos->member != (head);                                    \
> -            pos = n, n = list_entry(n->member.prev, typeof(*n), member))
> -
>  struct offset {
>         struct list_head list;
>         unsigned offset;
> --
> 2.16.2.395.g2e18187dfd-goog
>
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