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authorNishanth Menon <nm@ti.com>2014-07-24 19:24:19 +0400
committerNishanth Menon <nm@ti.com>2014-09-08 20:22:43 +0400
commit3e6a1c945950140926dd6e2cc667893de0a7fe3b (patch)
tree69616329a24d6a107e5065f41e2da6ceb15b54d1 /arch/arm/mach-omap2/omap-mpuss-lowpower.c
parentbd7593c69af8f610567fd6b105c440cfe9da7661 (diff)
downloadlinux-3e6a1c945950140926dd6e2cc667893de0a7fe3b.tar.xz
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>
Diffstat (limited to 'arch/arm/mach-omap2/omap-mpuss-lowpower.c')
-rw-r--r--arch/arm/mach-omap2/omap-mpuss-lowpower.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
index 4001325f90fb..e9cdacfe1923 100644
--- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c
+++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c
@@ -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;