[PATCH] nullify __ide_flush_{prologue,epilogue} on UP

[Atsushi Nemoto <anemo@mba.ocn.ne.jp>]

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>

diff --git a/include/asm-mips/mach-generic/ide.h 
b/include/asm-mips/mach-generic/ide.h
index 44266e5..e331535 100644
--- a/include/asm-mips/mach-generic/ide.h
+++ b/include/asm-mips/mach-generic/ide.h
@@ -106,14 +106,18 @@ static __inline__ unsigned long ide_defa
 /* MIPS port and memory-mapped I/O string operations.  */
 static inline void __ide_flush_prologue(void)
 {
+#ifdef CONFIG_SMP
        if (cpu_has_dc_aliases)
                preempt_disable();
+#endif
 }
 
 static inline void __ide_flush_epilogue(void)
 {
+#ifdef CONFIG_SMP
        if (cpu_has_dc_aliases)
                preempt_enable();
+#endif
 }
 
 static inline void __ide_flush_dcache_range(unsigned long addr, unsigned long 
size)