Mercurial > ecos-v3_0-branch
changeset 1712:1cb94172ea76
* include/linux/spinlock.h: Add CYG_UNUSED_PARAM() calls to avoid
compiler warnings.
* include/linux/list.h (list_for_each_entry): New macro needed for
latest jffs2 code.
| author | asl |
|---|---|
| date | Thu, 12 Aug 2004 21:32:39 +0000 |
| parents | dd8ccc367dae |
| children | 0492a413d138 |
| files | packages/compat/linux/current/ChangeLog packages/compat/linux/current/include/linux/list.h packages/compat/linux/current/include/linux/spinlock.h packages/compat/linux/current/include/linux/types.h |
| diffstat | 4 files changed, 50 insertions(+), 5 deletions(-) [+] |
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--- a/packages/compat/linux/current/ChangeLog +++ b/packages/compat/linux/current/ChangeLog @@ -1,3 +1,13 @@ +2004-08-12 Andrew Lunn <andrew.lunn@ascom.ch> + + * include/linux/spinlock.h: Add CYG_UNUSED_PARAM() calls to avoid + compiler warnings. + +2004-08-04 Gary Thomas <gary@mlbassoc.com> + + * include/linux/list.h (list_for_each_entry): New macro needed for + latest jffs2 code. + 2003-11-12 Thomas Koeller <thomas.koeller@baslerweb.com> * cdl/linux.cdl:
--- a/packages/compat/linux/current/include/linux/list.h +++ b/packages/compat/linux/current/include/linux/list.h @@ -63,6 +63,11 @@ struct list_head { /* MACROS */ +#define LIST_HEAD_INIT(name) { &(name), &(name) } + +#define LIST_HEAD(name) \ + struct list_head name = LIST_HEAD_INIT(name) + #define INIT_LIST_HEAD( _list_ ) \ CYG_MACRO_START \ (_list_)->next = (_list_)->prev = (_list_); \ @@ -122,6 +127,15 @@ list_empty( struct list_head *list ) (_ent_) != (_list_); \ (_ent_) = (_ent_)->next ) +/* + * list_for_each_entry - this function can be use to iterate over all + * items in a list* _list_ with it's head at _head_ and link _item_ + */ +#define list_for_each_entry(_list_, _head_, _item_) \ +for ((_list_) = list_entry((_head_)->next, typeof(*_list_), _item_); \ + &((_list_)->_item_) != (_head_); \ + (_list_) = list_entry((_list_)->_item_.next, typeof(*_list_), _item_)) + /* -----------------------------------------------------------------------*/ #endif /* #ifndef CYGONCE_FS_JFFS2_LIST_H */ /* EOF list.h */
--- a/packages/compat/linux/current/include/linux/spinlock.h +++ b/packages/compat/linux/current/include/linux/spinlock.h @@ -4,10 +4,30 @@ typedef struct { } spinlock_t; #define SPIN_LOCK_UNLOCKED (spinlock_t) { } -#define spin_lock_init(lock) do{} while (0) -#define spin_lock(lock) do{} while (0) -#define spin_unlock(lock) do{} while (0) -#define spin_lock_bh(lock) do{} while (0) -#define spin_unlock_bh(lock) do{} while (0) + +#define spin_lock_init(lock) \ +CYG_MACRO_START; \ +CYG_UNUSED_PARAM(spinlock_t *, lock); \ +CYG_MACRO_END + +#define spin_lock(lock) \ +CYG_MACRO_START; \ +CYG_UNUSED_PARAM(spinlock_t *, lock); \ +CYG_MACRO_END + +#define spin_unlock(lock) \ +CYG_MACRO_START; \ +CYG_UNUSED_PARAM(spinlock_t *, lock); \ +CYG_MACRO_END + +#define spin_lock_bh(lock) \ +CYG_MACRO_START; \ +CYG_UNUSED_PARAM(spinlock_t *, lock); \ +CYG_MACRO_END + +#define spin_unlock_bh(lock) \ +CYG_MACRO_START; \ +CYG_UNUSED_PARAM(spinlock_t *, lock); \ +CYG_MACRO_END #endif /* __LINUX_SPINLOCK_H__ */