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imx: mx7: psci: implement MIGRATE_INFO_TYPE

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Implement MIGRATE_INFO_TYPE. This informs Linux that no migration
for the trusted operating system is necessary:
  [    0.000000] psci: Trusted OS migration not required

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
This commit is contained in:
Stefan Agner 2018-06-24 21:09:58 +02:00 • committed by Stefano Babic
parent 28a5af11f8
commit f97df68898
1 changed files with 7 additions and 0 deletions
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7
arch/arm/mach-imx/mx7/psci-mx7.c
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@ -201,6 +201,12 @@ __secure s32 psci_affinity_info(u32 __always_unused function_id,
return psci_state[cpu];
}
__secure s32 psci_migrate_info_type(u32 function_id)
{
/* Trusted OS is either not present or does not require migration */
return 2;
}
__secure s32 psci_features(u32 __always_unused function_id, u32 psci_fid)
{
switch (psci_fid) {
@ -208,6 +214,7 @@ __secure s32 psci_features(u32 __always_unused function_id, u32 psci_fid)
case ARM_PSCI_0_2_FN_CPU_OFF:
case ARM_PSCI_0_2_FN_CPU_ON:
case ARM_PSCI_0_2_FN_AFFINITY_INFO:
case ARM_PSCI_0_2_FN_MIGRATE_INFO_TYPE:
case ARM_PSCI_0_2_FN_SYSTEM_OFF:
case ARM_PSCI_0_2_FN_SYSTEM_RESET:
case ARM_PSCI_1_0_FN_PSCI_FEATURES: