[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>
diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c
index 08952c7..e270055 100644
--- a/arch/ppc64/kernel/idle.c
+++ b/arch/ppc64/kernel/idle.c
@@ -33,6 +33,7 @@
#include <asm/iSeries/ItLpQueue.h>
#include <asm/plpar_wrappers.h>
#include <asm/systemcfg.h>
+#include <asm/machdep.h>
extern void power4_idle(void);
@@ -122,7 +123,7 @@
#else
-static int default_idle(void)
+int default_idle(void)
{
long oldval;
unsigned int cpu = smp_processor_id();
@@ -288,7 +289,7 @@
#endif /* CONFIG_PPC_PSERIES */
-static int native_idle(void)
+int native_idle(void)
{
while(1) {
/* check CPU type here */
@@ -308,7 +309,8 @@
void cpu_idle(void)
{
- idle_loop();
+ BUG_ON(NULL == ppc_md.idle_loop);
+ ppc_md.idle_loop();
}
int powersave_nap;