Changeset ea106a6 in mainline

Timestamp:

2012-04-08T18:53:46Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

3a01483

Parents:

87739fb

Message:

codestyle and comment

File:

• kernel/arch/arm32/include/asm.h (modified) (1 diff)

kernel/arch/arm32/include/asm.h

@@ -43 +43 @@
 #include <trace.h>
 
-/** No such instruction on ARM to sleep CPU.
+/** No such instruction on old ARM to sleep CPU.
  *
- * ARMv7 introduced wait for event and wait for interrupt.
+ * ARMv7 introduced wait for event and wait for interrupt (wfe/wfi).
  */
 NO_TRACE static inline void cpu_sleep(void)
 {
 #ifdef PROCESSOR_armv7
-        asm volatile (
-                "wfe"::
-        );
+        asm volatile ( "wfe" :: );
 #endif
 }