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Merge pull request #1625 from ldts/psci 

psci: platform control of SYSTEM_SUSPEND entry
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Soby Mathew 2018-10-11 13:37:53 +01:00 committed by GitHub
parent e22a4ae074 a4065abdfb
commit 424f68dd1d
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1 changed files with 7 additions and 1 deletions
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8
lib/psci/psci_main.c
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@ -167,8 +167,14 @@ int psci_system_suspend(uintptr_t entrypoint, u_register_t context_id)
/* Query the psci_power_state for system suspend */
psci_query_sys_suspend_pwrstate(&state_info);
/*
* Check if platform allows suspend to Highest power level
* (System level)
*/
if (psci_find_target_suspend_lvl(&state_info) < PLAT_MAX_PWR_LVL)
return PSCI_E_DENIED;
/* Ensure that the psci_power_state makes sense */
assert(psci_find_target_suspend_lvl(&state_info) == PLAT_MAX_PWR_LVL);
assert(psci_validate_suspend_req(&state_info, PSTATE_TYPE_POWERDOWN)
== PSCI_E_SUCCESS);
assert(is_local_state_off(