dma-mapping: prevent dma dependent code from linking on !HAS_DMA archs

[linux-2.6] / include / asm-s390 / processor.h

diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h
index 96a6f80953a9ede5d334f46e1300cc20706dec62..3b972d4c6b296f6d8cfb4b51f0f55608832dc134 100644 (file)
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@@ -57,6 +57,7 @@ struct cpuinfo_S390
 
 extern void s390_adjust_jiffies(void);
 extern void print_cpu_info(struct cpuinfo_S390 *);
+extern int get_cpu_capability(unsigned int *);
 
 /* Lazy FPU handling on uni-processor */
 extern struct task_struct *last_task_used_math;
@@ -215,6 +216,11 @@ static inline void cpu_relax(void)
        barrier();
 }
 
+static inline void psw_set_key(unsigned int key)
+{
+       asm volatile("spka 0(%0)" : : "d" (key));
+}
+
 /*
  * Set PSW to specified value.
  */
@@ -351,8 +357,8 @@ extern void (*s390_base_ext_handler_fn)(void);
 /*
  * CPU idle notifier chain.
  */
-#define CPU_IDLE       0
-#define CPU_NOT_IDLE   1
+#define S390_CPU_IDLE          0
+#define S390_CPU_NOT_IDLE      1
 
 struct notifier_block;
 int register_idle_notifier(struct notifier_block *nb);