[PATCH v2] arm64: psci: fix cpu_suspend to check idle state type for index
From: Amit Daniel Kachhap <hidden>
Date: 2014-10-30 12:24:51
Also in:
linux-pm
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
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 <redacted> Signed-off-by: Amit Daniel Kachhap <redacted> --- arch/arm64/kernel/psci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
index 866c1c8..663da77 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);
--
1.9.1