From fc4033b2f8b1482022bff3d05505a1b1631bb6de Mon Sep 17 00:00:00 2001 From: Kumar Gala Date: Wed, 18 Jun 2008 16:26:52 -0500 Subject: powerpc/85xx: add DOZE/NAP support for e500 core The e500 core enter DOZE/NAP power-saving modes when the core go to cpu_idle routine. The power management default running mode is DOZE, If the user echo 1 > /proc/sys/kernel/powersave-nap the system will change to NAP running mode. Signed-off-by: Dave Liu Signed-off-by: Kumar Gala --- arch/powerpc/kernel/setup_32.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/powerpc/kernel/setup_32.c') diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index bef0be3fd98b..9e83add54290 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -127,6 +127,11 @@ void __init machine_init(unsigned long dt_ptr, unsigned long phys) ppc_md.power_save = ppc6xx_idle; #endif +#ifdef CONFIG_E500 + if (cpu_has_feature(CPU_FTR_CAN_DOZE) || + cpu_has_feature(CPU_FTR_CAN_NAP)) + ppc_md.power_save = e500_idle; +#endif if (ppc_md.progress) ppc_md.progress("id mach(): done", 0x200); } -- cgit v1.2.3