ARM: OMAP4+: PM: Use only valid low power state for CPU hotplug
Not all SoCs support OFF mode - for example DRA74/72. So, use valid
power state during CPU hotplug.
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
index 4001325..e9cdacf 100644
--- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c
+++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
@@ -298,6 +298,10 @@
if (omap_rev() == OMAP4430_REV_ES1_0)
return -ENXIO;
+ /* Use the achievable power state for the domain */
+ power_state = pwrdm_get_valid_lp_state(pm_info->pwrdm,
+ false, power_state);
+
if (power_state == PWRDM_POWER_OFF)
cpu_state = 1;