sh: Convert to asm-generic/irqflags.h.

This simplifies the irqflags support by switching over to the asm-generic
version. The necessary support functions are brought out-of-line for both
SHcompact and SHmedia instruction sets.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/include/asm/irqflags.h b/arch/sh/include/asm/irqflags.h
index 46e71da..a741153 100644
--- a/arch/sh/include/asm/irqflags.h
+++ b/arch/sh/include/asm/irqflags.h
@@ -1,34 +1,9 @@
 #ifndef __ASM_SH_IRQFLAGS_H
 #define __ASM_SH_IRQFLAGS_H
 
-#ifdef CONFIG_SUPERH32
-#include "irqflags_32.h"
-#else
-#include "irqflags_64.h"
-#endif
+#define RAW_IRQ_DISABLED	0xf0
+#define RAW_IRQ_ENABLED		0x00
 
-#define raw_local_save_flags(flags) \
-		do { (flags) = __raw_local_save_flags(); } while (0)
-
-static inline int raw_irqs_disabled_flags(unsigned long flags)
-{
-	return (flags != 0);
-}
-
-static inline int raw_irqs_disabled(void)
-{
-	unsigned long flags = __raw_local_save_flags();
-
-	return raw_irqs_disabled_flags(flags);
-}
-
-#define raw_local_irq_save(flags) \
-		do { (flags) = __raw_local_irq_save(); } while (0)
-
-static inline void raw_local_irq_restore(unsigned long flags)
-{
-	if ((flags & 0xf0) != 0xf0)
-		raw_local_irq_enable();
-}
+#include <asm-generic/irqflags.h>
 
 #endif /* __ASM_SH_IRQFLAGS_H */