istallion: Use helpers

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

diff --git a/include/asm-cris/system.h b/include/asm-cris/system.h
index b1c593b6dbff163df5118bc6ba8c5841148fd43a..5bcfe5a1090765e7359c4f64f0de4001597f3241 100644 (file)
--- a/include/asm-cris/system.h
+++ b/include/asm-cris/system.h
@@ -17,7 +17,6 @@ extern struct task_struct *resume(struct task_struct *prev, struct task_struct *
 #define wmb() mb()
 #define read_barrier_depends() do { } while(0)
 #define set_mb(var, value)  do { var = value; mb(); } while (0)
-#define set_wmb(var, value) do { var = value; wmb(); } while (0)
 
 #ifdef CONFIG_SMP
 #define smp_mb()        mb()
@@ -45,8 +44,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
   /* since Etrax doesn't have any atomic xchg instructions, we need to disable
      irq's (if enabled) and do it with move.d's */
   unsigned long flags,temp;
-  local_save_flags(flags); /* save flags, including irq enable bit */
-  local_irq_disable();             /* shut off irq's */
+  local_irq_save(flags); /* save flags, including irq enable bit and shut off irqs */
   switch (size) {
   case 1:
     *((unsigned char *)&temp) = x;
@@ -68,6 +66,21 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz
   return x;
 }
 
+#include <asm-generic/cmpxchg-local.h>
+
+/*
+ * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make
+ * them available.
+ */
+#define cmpxchg_local(ptr, o, n)                                              \
+       ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\
+                       (unsigned long)(n), sizeof(*(ptr))))
+#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
+
+#ifndef CONFIG_SMP
+#include <asm-generic/cmpxchg.h>
+#endif
+
 #define arch_align_stack(x) (x)
 
 void default_idle(void);