From 77fcc2cc901e1886996fda80de464a2372a69124 Mon Sep 17 00:00:00 2001
From: Stefan Agner <stefan.agner@toradex.com>
Date: Sun, 24 Jun 2018 21:09:54 +0200
Subject: [PATCH] ARM: PSCI: initialize stack pointer on secondary CPUs

A proper stack is required to safely use C code in psci_arch_cpu_entry.

Fixes: 486daaa618e1 ("arm: psci: add a weak function psci_arch_cpu_entry")
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Patrick DELAUNAY <Patrick.delaunay@st.com>
Tested-by: Patrick DELAUNAY <Patrick.delaunay@st.com>
---
 arch/arm/cpu/armv7/psci.S | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/cpu/armv7/psci.S b/arch/arm/cpu/armv7/psci.S
index 08b5088..983cd90 100644
--- a/arch/arm/cpu/armv7/psci.S
+++ b/arch/arm/cpu/armv7/psci.S
@@ -331,6 +331,8 @@ ENTRY(psci_cpu_entry)
 
 	bl	_nonsec_init
 
+	bl	psci_stack_setup
+
 	bl	psci_arch_cpu_entry
 
 	bl	psci_get_cpu_id			@ CPU ID => r0
-- 
2.7.4