OMAP3: PM: Enable system control module autoidle

Enable the auto-idle feature of the SCM block to save some additional
power.

Signed-off-by: Mika Westerberg <ext-mika.1.westerberg@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index b26418d..8a148fb 100644 (file)
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -837,6 +837,8 @@ static void __init prcm_setup_regs(void)
                        CM_AUTOIDLE);
        }
 
+       omap_ctrl_writel(OMAP3430_AUTOIDLE, OMAP2_CONTROL_SYSCONFIG);
+
        /*
         * Set all plls to autoidle. This is needed until autoidle is
         * enabled by clockfw