OMAP3: PM: prevent module wakeups from waking IVA2

By default, prevent functional wakeups from inside a module from
waking up the IVA2.  Let DSP Bridge code handle this when loaded.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-omap2/pm34xx.c

@@ -613,6 +613,12 @@ static void __init prcm_setup_regs(void)
 	/* Clear any pending PRCM interrupts */
 	prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET);
 
+	/* Don't attach IVA interrupts */
+	prm_write_mod_reg(0, WKUP_MOD, OMAP3430_PM_IVAGRPSEL);
+	prm_write_mod_reg(0, CORE_MOD, OMAP3430_PM_IVAGRPSEL1);
+	prm_write_mod_reg(0, CORE_MOD, OMAP3430ES2_PM_IVAGRPSEL3);
+	prm_write_mod_reg(0, OMAP3430_PER_MOD, OMAP3430_PM_IVAGRPSEL);
+
 	/* Clear any pending 'reset' flags */
 	prm_write_mod_reg(0xffffffff, MPU_MOD, RM_RSTST);
 	prm_write_mod_reg(0xffffffff, CORE_MOD, RM_RSTST);