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>
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 @@
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.
*/