ARM: OMAP4+: PM: Make logic state programmable

Move the logic state as different for each power domain. This allows us
to customize the deepest power state we should target over all for each
powerdomain in the follow on patches.
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>

arch/arm/mach-omap2/pm44xx.c

@@ -29,6 +29,7 @@ u16 pm44xx_errata;
 struct power_state {
 	struct powerdomain *pwrdm;
 	u32 next_state;
+	u32 next_logic_state;
 #ifdef CONFIG_SUSPEND
 	u32 saved_state;
 	u32 saved_logic_state;
@@ -54,7 +55,7 @@ static int omap4_pm_suspend(void)
 	/* Set targeted power domain states by suspend */
 	list_for_each_entry(pwrst, &pwrst_list, node) {
 		omap_set_pwrdm_state(pwrst->pwrdm, pwrst->next_state);
-		pwrdm_set_logic_retst(pwrst->pwrdm, PWRDM_POWER_OFF);
+		pwrdm_set_logic_retst(pwrst->pwrdm, pwrst->next_logic_state);
 	}
 
 	/*
@@ -121,6 +122,8 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
 
 	pwrst->pwrdm = pwrdm;
 	pwrst->next_state = PWRDM_POWER_RET;
+	pwrst->next_logic_state = PWRDM_POWER_OFF;
+
 	list_add(&pwrst->node, &pwrst_list);
 
 	return omap_set_pwrdm_state(pwrst->pwrdm, pwrst->next_state);