[ARM] 4720/1: S3C2412: Add power configuration registers for battery flat behaviour.

[linux-2.6-omap-h63xx.git] / include / asm-arm / system.h

diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index 6f8e6a69dc5f4334391dc03ff6ef53b3d1bd032a..28425c473e71c72c7a959f6650fc6707a89d6b0e 100644 (file)
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -75,8 +75,21 @@
 #ifndef __ASSEMBLY__
 
 #include <linux/linkage.h>
+#include <linux/stringify.h>
 #include <linux/irqflags.h>
 
+/*
+ * The CPU ID never changes at run time, so we might as well tell the
+ * compiler that it's constant.  Use this function to read the CPU ID
+ * rather than directly reading processor_id or read_cpuid() directly.
+ */
+static inline unsigned int read_cpuid_id(void) __attribute_const__;
+
+static inline unsigned int read_cpuid_id(void)
+{
+       return read_cpuid(CPUID_ID);
+}
+
 #define __exception    __attribute__((section(".exception.text")))
 
 struct thread_info;
@@ -254,16 +267,6 @@ do {                                                                       \
        last = __switch_to(prev,task_thread_info(prev), task_thread_info(next));        \
 } while (0)
 
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
 #if defined(CONFIG_CPU_SA1100) || defined(CONFIG_CPU_SA110)
 /*
  * On the StrongARM, "swp" is terminally broken since it bypasses the