[PATCH v5 6/7] OMAP3: PM: make omap3_cpuidle_update_states independent of enable_off_mode
Kevin Hilman
khilman at deeprootsystems.com
Mon Dec 20 19:44:26 EST 2010
Kevin Hilman <khilman at deeprootsystems.com> writes:
> Nishanth Menon <nm at ti.com> writes:
>
>> Currently omap3_cpuidle_update_states makes whole sale decision
>> on which C states to update based on enable_off_mode variable
>> Instead, achieve the same functionality by independently providing
>> mpu and core deepest states the system is allowed to achieve and
>> update the idle states accordingly.
>>
>> Acked-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
>> Acked-by: Jean Pihet <j-pihet at ti.com>
>>
>> Signed-off-by: Nishanth Menon <nm at ti.com>
>
> This patch doesnt' compile with CPUidle enabled.
>
> You missed one other caller of the update_states function inside
> cpuidle34xx.c which is only there when CONFIG_CPU_IDLE=y
>
Something like the following folded into this patch makes it compile and
work as before.
If this looks OK to you, I'll fold it in.
Kevin
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx
index ab4c862..0fb619c 100644
--- a/arch/arm/mach-omap2/cpuidle34xx.c
+++ b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -517,7 +517,10 @@ int __init omap3_idle_init(void)
return -EINVAL;
dev->state_count = count;
- omap3_cpuidle_update_states();
+ if (enable_off_mode)
+ omap3_cpuidle_update_states(PWRDM_POWER_OFF, PWRDM_POWER_OFF);
+ else
+ omap3_cpuidle_update_states(PWRDM_POWER_RET, PWRDM_POWER_RET);
if (cpuidle_register_device(dev)) {
printk(KERN_ERR "%s: CPUidle register device failed\n",
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