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authorRobert P. J. Day <rpjday@mindspring.com>2007-05-08 00:35:08 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:20 -0700
commitcc38682f356f95ca0e409679b76db46af6036460 (patch)
tree6d4df198c8a72c6bcb8649cd30c147c188dbec3b /include/asm-i386
parent0ba34e197a45c1639aa56aea0399e97f827abb35 (diff)
downloadlinux-2.6.34-ux500-cc38682f356f95ca0e409679b76db46af6036460.tar.gz
Some grammatical fixups and additions to atomic.h kernel-doc content
Tweak and add content for extractable documentation in asm-i386/atomic.h. Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-i386')
-rw-r--r--include/asm-i386/atomic.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/asm-i386/atomic.h b/include/asm-i386/atomic.h
index b9fd03cef51..0baa2f89463 100644
--- a/include/asm-i386/atomic.h
+++ b/include/asm-i386/atomic.h
@@ -52,7 +52,7 @@ static __inline__ void atomic_add(int i, atomic_t *v)
}
/**
- * atomic_sub - subtract the atomic variable
+ * atomic_sub - subtract integer from atomic variable
* @i: integer value to subtract
* @v: pointer of type atomic_t
*
@@ -171,7 +171,7 @@ static __inline__ int atomic_add_negative(int i, atomic_t *v)
}
/**
- * atomic_add_return - add and return
+ * atomic_add_return - add integer and return
* @v: pointer of type atomic_t
* @i: integer value to add
*
@@ -203,6 +203,13 @@ no_xadd: /* Legacy 386 processor */
#endif
}
+/**
+ * atomic_sub_return - subtract integer and return
+ * @v: pointer of type atomic_t
+ * @i: integer value to subtract
+ *
+ * Atomically subtracts @i from @v and returns @v - @i
+ */
static __inline__ int atomic_sub_return(int i, atomic_t *v)
{
return atomic_add_return(-i,v);