From 4ce1e5e14c4ea43f971bd546934ef40b3ae4fcf3 Mon Sep 17 00:00:00 2001 From: Tero Kristo Date: Thu, 10 Mar 2011 03:50:54 -0700 Subject: [PATCH] omap2/3: dmtimer: Enable autoidle This saves some power. OMAP4 version should check for GPT module ID, as autoidle is only supported on a subset of these. Signed-off-by: Tero Kristo Signed-off-by: Paul Walmsley --- arch/arm/plat-omap/dmtimer.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index 1d706cf..ee9f6eb 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -342,6 +342,10 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer) l |= 0x02 << 3; /* Set to smart-idle mode */ l |= 0x2 << 8; /* Set clock activity to perserve f-clock on idle */ + /* Enable autoidle on OMAP2 / OMAP3 */ + if (cpu_is_omap24xx() || cpu_is_omap34xx()) + l |= 0x1 << 0; + /* * Enable wake-up on OMAP2 CPUs. */ -- 2.7.4