diff options
| author | Nishanth Menon <nm@ti.com> | 2014-07-24 10:24:19 -0500 |
|---|---|---|
| committer | Nishanth Menon <nm@ti.com> | 2014-09-08 11:22:43 -0500 |
| commit | 3e6a1c945950140926dd6e2cc667893de0a7fe3b (patch) | |
| tree | 69616329a24d6a107e5065f41e2da6ceb15b54d1 /arch/arm/mach-omap2/omap-mpuss-lowpower.c | |
| parent | bd7593c69af8f610567fd6b105c440cfe9da7661 (diff) | |
| download | linux-3e6a1c945950140926dd6e2cc667893de0a7fe3b.tar.bz2 | |
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.c | 4 |
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; |