OMAP3: PM: Emu_pwrdm is switched off by hardware even when sdti is in use

[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap2 / pm34xx.c

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 1d54e96f16daf4367433915c47a3501f4f7b16b3..43aac5f6031983f6129064caca3cc32f774feecd 100644 (file)
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -605,9 +605,18 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm)
        return set_pwrdm_state(pwrst->pwrdm, pwrst->next_state);
 }
 
+/*
+ * Enable hw supervised mode for all clockdomains if it's
+ * supported. Initiate sleep transition for other clockdomains, if
+ * they are not used
+ */
 static int __init clkdms_setup(struct clockdomain *clkdm)
 {
-       omap2_clkdm_allow_idle(clkdm);
+       if (clkdm->flags & CLKDM_CAN_ENABLE_AUTO)
+               omap2_clkdm_allow_idle(clkdm);
+       else if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP &&
+                atomic_read(&clkdm->usecount) == 0)
+               omap2_clkdm_sleep(clkdm);
        return 0;
 }