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>

parent bd7593c6

arch/arm/mach-omap2/omap-mpuss-lowpower.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -298,6 +298,10 @@ int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state)
		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;