[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, 5 insertions, 0 deletions

diff --git a/include/asm-ppc64/machdep.h b/include/asm-ppc64/machdep.h
index 9cdad3ed1526..1e6ad4824132 100644
--- a/include/asm-ppc64/machdep.h
+++ b/include/asm-ppc64/machdep.h
@@ -140,8 +140,13 @@ struct machdep_calls {
                                                 unsigned long size,
                                                 pgprot_t vma_prot);
 
+        /* Idle loop for this platform, leave empty for default idle loop */
+        int             (*idle_loop)(void);
 };
 
+extern int default_idle(void);
+extern int native_idle(void);
+
 extern struct machdep_calls ppc_md;
 extern char cmd_line[COMMAND_LINE_SIZE];