[U-Boot] [PATCH v1 1/5] ARM: PSCI: initialize stack pointer on secondary CPUs

Stefan Agner stefan at agner.ch
Sun Jun 24 19:09:54 UTC 2018


From: Stefan Agner <stefan.agner at toradex.com>

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 at st.com>
Signed-off-by: Stefan Agner <stefan.agner at toradex.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 08b5088675..983cd90442 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
-- 
2.17.1



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