"Gopinath, Thara" <[email protected]> writes:
[...]
>>>
>>>+void omap3_pm_off_mode_enable(int enable)
>>>+{
>>>+ struct power_state *pwrst;
>>>+ u32 state;
>>>+
>>>+ if (enable)
>>>+ state = PWRDM_POWER_OFF;
>>>+ else
>>>+ state = PWRDM_POWER_RET;
>>>+
>>>+ list_for_each_entry(pwrst, &pwrst_list, node) {
>>>+ pwrst->next_state = state;
>>>+ set_pwrdm_state(pwrst->pwrdm, state);
>
> Shld the next states of MPU and CORE domain also be changed?
No. MPU & CORE are handled by CPUidle, and there the enable_off_mode
flag is checked.
> It should happen only in idle thread or system suspend path. Not at
> any arbit point where user sets enable_off_mode.
Why not?
If the domain is idle, it is turned off immediately. If it's not idle,
it doesn't transition until it is.
Kevin
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