sh: Wire up ARCH_HAS_DEFAULT_IDLE for cpuidle.

cpuidle wants ARCH_HAS_DEFAULT_IDLE defined in order to use the
default idle loop. So, make it accessible and enable it for all
sh machines.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

3 files changed, 5 insertions, 1 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 2af949a6a898..6a1e79b886c1 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -130,6 +130,9 @@ config ARCH_HAS_ILOG2_U64
 config ARCH_NO_VIRT_TO_BUS
         def_bool y
 
+config ARCH_HAS_DEFAULT_IDLE
+        def_bool y
+
 config IO_TRAPPED
         bool
 
diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h
index c9ec6af8e745..a88895e6dcb0 100644
--- a/arch/sh/include/asm/system.h
+++ b/arch/sh/include/asm/system.h
@@ -153,6 +153,7 @@ extern unsigned long cached_to_uncached;
 extern struct dentry *sh_debugfs_root;
 
 void per_cpu_trap_init(void);
+void default_idle(void);
 
 asmlinkage void break_point_trap(void);
 
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c
index fe59ccfc1152..f35ed0348850 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -38,7 +38,7 @@ static int __init hlt_setup(char *__unused)
 }
 __setup("hlt", hlt_setup);
 
-static void default_idle(void)
+void default_idle(void)
 {
         if (!hlt_counter) {
                 clear_thread_flag(TIF_POLLING_NRFLAG);