int psci_cpu_off(void)
{
int rc;
unsigned long mpidr;
int target_afflvl = get_max_afflvl();
mpidr = read_mpidr();
/*
* Traverse from the highest to the lowest affinity level. When the
* lowest affinity level is hit, all the locks are acquired. State
* management is done immediately followed by cpu, cluster ...
* ..target_afflvl specific actions as this function unwinds back.
*/
rc = psci_afflvl_off(mpidr, target_afflvl, MPIDR_AFFLVL0);
if (rc != PSCI_E_SUCCESS) {
assert(rc == PSCI_E_DENIED);
}
return rc;
}
int psci_cpu_off(void)
{
int rc;
unsigned long mpidr;
int target_afflvl = get_max_afflvl();
mpidr = read_mpidr();
/*
* Traverse from the highest to the lowest affinity level. When the
* lowest affinity level is hit, all the locks are acquired. State
* management is done immediately followed by cpu, cluster ...
* ..target_afflvl specific actions as this function unwinds back.
*/
rc = psci_afflvl_off(mpidr, MPIDR_AFFLVL0, target_afflvl);
/*
* The only error cpu_off can return is E_DENIED. So check if that's
* indeed the case.
*/
assert (rc == PSCI_E_SUCCESS || rc == PSCI_E_DENIED);
return rc;
}