[PATCH] ppc64: Make idle_loop a ppc_md function

This patch adds an idle member to the ppc_md structure and calls it from
cpu_idle().  If a platform leaves ppc_md.idle as null it will get the default
idle loop default_idle().

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/ppc64/kernel/setup.c b/arch/ppc64/kernel/setup.c
index d5e4866e9ac2..a278998ecb44 100644
--- a/arch/ppc64/kernel/setup.c
+++ b/arch/ppc64/kernel/setup.c
@@ -96,7 +96,6 @@ extern void udbg_init_maple_realmode(void);
 extern unsigned long klimit;
 
 extern void mm_init_ppc64(void);
-extern int  idle_setup(void);
 extern void stab_initialize(unsigned long stab);
 extern void htab_initialize(void);
 extern void early_init_devtree(void *flat_dt);
@@ -1081,8 +1080,9 @@ void __init setup_arch(char **cmdline_p)
 
         ppc_md.setup_arch();
 
-        /* Select the correct idle loop for the platform. */
-        idle_setup();
+        /* Use the default idle loop if the platform hasn't provided one. */
+        if (NULL == ppc_md.idle_loop)
+                ppc_md.idle_loop = default_idle;
 
         paging_init();
         ppc64_boot_msg(0x15, "Setup Done");