android_atomic_write() implementation was using cmpxchg which was useless
diff --git a/libcutils/atomic-android-arm.S b/libcutils/atomic-android-arm.S
index c56ec5d..f4299fd 100644
--- a/libcutils/atomic-android-arm.S
+++ b/libcutils/atomic-android-arm.S
@@ -55,23 +55,8 @@
*/
android_atomic_write:
- stmdb sp!, {r4, lr}
- mov r2, r1
- mov r1, r0
-1: @ android_atomic_write
- ldr r0, [r2]
- mov r3, #kernel_atomic_base
-#ifdef __ARM_HAVE_PC_INTERWORK
- add lr, pc, #4
- add pc, r3, #(kernel_cmpxchg - kernel_atomic_base)
-#else
- add r3, r3, #(kernel_cmpxchg - kernel_atomic_base)
- mov lr, pc
- bx r3
-#endif
- bcc 1b
- ldmia sp!, {r4, lr}
- bx lr
+ str r0, [r1]
+ bx lr;
/*
* ----------------------------------------------------------------------------
diff --git a/libcutils/atomic-android-armv6.S b/libcutils/atomic-android-armv6.S
index 64146c1..a713089 100644
--- a/libcutils/atomic-android-armv6.S
+++ b/libcutils/atomic-android-armv6.S
@@ -45,11 +45,8 @@
*/
android_atomic_write:
-1: ldrex r12, [r1]
- strex r12, r0, [r1]
- cmp r12, #0
- bne 1b
- bx lr
+ str r0, [r1]
+ bx lr;
/*
* ----------------------------------------------------------------------------