diff options
Diffstat (limited to 'arch/arm/mach-stm32mp/psci.c')
| -rw-r--r-- | arch/arm/mach-stm32mp/psci.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/mach-stm32mp/psci.c b/arch/arm/mach-stm32mp/psci.c index 6ed2482080..c2dff38c36 100644 --- a/arch/arm/mach-stm32mp/psci.c +++ b/arch/arm/mach-stm32mp/psci.c @@ -103,7 +103,13 @@ int __secure psci_affinity_info(u32 function_id, u32 target_affinity, int __secure psci_migrate_info_type(u32 function_id) { - /* Trusted OS is either not present or does not require migration */ + /* + * in Power_State_Coordination_Interface_PDD_v1_1_DEN0022D.pdf + * return 2 = Trusted OS is either not present or does not require + * migration, system of this type does not require the caller + * to use the MIGRATE function. + * MIGRATE function calls return NOT_SUPPORTED. + */ return 2; } |