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authorTero Kristo <tero.kristo@nokia.com>2011-03-10 03:50:54 -0700
committerPaul Walmsley <paul@pwsan.com>2011-03-10 03:50:54 -0700
commit4ce1e5e14c4ea43f971bd546934ef40b3ae4fcf3 (patch)
tree90aa4015520e95130f73bd223488119d7c3d9839 /arch/arm/plat-omap/dmtimer.c
parentdd9c1549edef02290edced639f67b54a25abbe0e (diff)
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 <tero.kristo@nokia.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
Diffstat (limited to 'arch/arm/plat-omap/dmtimer.c')
-rw-r--r--arch/arm/plat-omap/dmtimer.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 1d706cf63ca0..ee9f6ebba29b 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.
*/