arm64: psci: fix cpu_suspend to check idle state type for index

This fix rectifies the psci cpu_suspend implementation to check the
PSCI power state parameter type field associated with the requested idle
state index.

Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
index 866c1c821860..663da771580a 100644
--- a/arch/arm64/kernel/psci.c
+++ b/arch/arm64/kernel/psci.c
@@ -528,7 +528,7 @@ static int __maybe_unused cpu_psci_cpu_suspend(unsigned long index)
         if (WARN_ON_ONCE(!index))
                 return -EINVAL;
 
-        if (state->type == PSCI_POWER_STATE_TYPE_STANDBY)
+        if (state[index - 1].type == PSCI_POWER_STATE_TYPE_STANDBY)
                 ret = psci_ops.cpu_suspend(state[index - 1], 0);
         else
                 ret = __cpu_suspend(index, psci_suspend_finisher);