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Diffstat (limited to 'include/asm-blackfin/system.h')
-rw-r--r--include/asm-blackfin/system.h93
1 files changed, 51 insertions, 42 deletions
diff --git a/include/asm-blackfin/system.h b/include/asm-blackfin/system.h
index 5e5f1a0566c..b03cf7d5b9a 100644
--- a/include/asm-blackfin/system.h
+++ b/include/asm-blackfin/system.h
@@ -36,6 +36,7 @@
#include <linux/linkage.h>
#include <linux/compiler.h>
+#include <asm/mach/anomaly.h>
/*
* Interrupt configuring macros.
@@ -43,53 +44,60 @@
extern unsigned long irq_flags;
-#define local_irq_enable() do { \
- __asm__ __volatile__ ( \
- "sti %0;" \
- ::"d"(irq_flags)); \
-} while (0)
+#define local_irq_enable() \
+ __asm__ __volatile__( \
+ "sti %0;" \
+ : \
+ : "d" (irq_flags) \
+ )
-#define local_irq_disable() do { \
- int _tmp_dummy; \
- __asm__ __volatile__ ( \
- "cli %0;" \
- :"=d" (_tmp_dummy):); \
-} while (0)
+#define local_irq_disable() \
+ do { \
+ int __tmp_dummy; \
+ __asm__ __volatile__( \
+ "cli %0;" \
+ : "=d" (__tmp_dummy) \
+ ); \
+ } while (0)
-#if defined(ANOMALY_05000244) && defined (CONFIG_BLKFIN_CACHE)
-#define idle_with_irq_disabled() do { \
- __asm__ __volatile__ ( \
- "nop; nop;\n" \
- ".align 8;\n" \
- "sti %0; idle;\n" \
- ::"d" (irq_flags)); \
-} while (0)
+#if ANOMALY_05000244 && defined(CONFIG_BLKFIN_CACHE)
+# define NOP_PAD_ANOMALY_05000244 "nop; nop;"
#else
-#define idle_with_irq_disabled() do { \
- __asm__ __volatile__ ( \
- ".align 8;\n" \
- "sti %0; idle;\n" \
- ::"d" (irq_flags)); \
-} while (0)
+# define NOP_PAD_ANOMALY_05000244
#endif
+#define idle_with_irq_disabled() \
+ __asm__ __volatile__( \
+ NOP_PAD_ANOMALY_05000244 \
+ ".align 8;" \
+ "sti %0;" \
+ "idle;" \
+ : \
+ : "d" (irq_flags) \
+ )
+
#ifdef CONFIG_DEBUG_HWERR
-#define __save_and_cli(x) do { \
- __asm__ __volatile__ ( \
- "cli %0;\n\tsti %1;" \
- :"=&d"(x): "d" (0x3F)); \
-} while (0)
+# define __save_and_cli(x) \
+ __asm__ __volatile__( \
+ "cli %0;" \
+ "sti %1;" \
+ : "=&d" (x) \
+ : "d" (0x3F) \
+ )
#else
-#define __save_and_cli(x) do { \
- __asm__ __volatile__ ( \
- "cli %0;" \
- :"=&d"(x):); \
-} while (0)
+# define __save_and_cli(x) \
+ __asm__ __volatile__( \
+ "cli %0;" \
+ : "=&d" (x) \
+ )
#endif
-#define local_save_flags(x) asm volatile ("cli %0;" \
- "sti %0;" \
- :"=d"(x):);
+#define local_save_flags(x) \
+ __asm__ __volatile__( \
+ "cli %0;" \
+ "sti %0;" \
+ : "=d" (x) \
+ )
#ifdef CONFIG_DEBUG_HWERR
#define irqs_enabled_from_flags(x) (((x) & ~0x3f) != 0)
@@ -97,10 +105,11 @@ extern unsigned long irq_flags;
#define irqs_enabled_from_flags(x) ((x) != 0x1f)
#endif
-#define local_irq_restore(x) do { \
- if (irqs_enabled_from_flags(x)) \
- local_irq_enable (); \
-} while (0)
+#define local_irq_restore(x) \
+ do { \
+ if (irqs_enabled_from_flags(x)) \
+ local_irq_enable(); \
+ } while (0)
/* For spinlocks etc */
#define local_irq_save(x) __save_and_cli(x)