From: Yoshinori Sato <ysato@users.sourceforge.jp>
Date: Tue, 15 May 2007 08:41:07 +0000 (-0700)
Subject: h8300 atomic.h update
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b67405bbbba6bbd28dfd5337b29d5bc5a1140afb;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

h8300 atomic.h update

add atomic_sub_and_test define.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/include/asm-h8300/atomic.h b/include/asm-h8300/atomic.h
index 21f54428c86b..b4cf0ea97ede 100644
--- a/include/asm-h8300/atomic.h
+++ b/include/asm-h8300/atomic.h
@@ -37,6 +37,7 @@ static __inline__ int atomic_sub_return(int i, atomic_t *v)
 }
 
 #define atomic_sub(i, v) atomic_sub_return(i, v)
+#define atomic_sub_and_test(i,v) (atomic_sub_return(i, v) == 0)
 
 static __inline__ int atomic_inc_return(atomic_t *v)
 {