From 6c88e6ee55ff9bf0ea994c9664421c746e561a9d Mon Sep 17 00:00:00 2001
From: Arthur Heymans <arthur@aheymans.xyz>
Date: Mon, 30 Jan 2023 13:51:02 +0100
Subject: soc/intel/apl: Ensure CPU_CLUSTER linked_list bus exists

This fixes a NULL pointer deref introduced by 69cd729 (mb/*: Remove
lapic from devicetree).

Change-Id: I816fddfe3efe3c3aefe1b2ee28426dc1e1f3c962
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72599
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
---
 src/soc/intel/apollolake/cpu.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/soc/intel')

diff --git a/src/soc/intel/apollolake/cpu.c b/src/soc/intel/apollolake/cpu.c
index ec262f7b35..dba1923522 100644
--- a/src/soc/intel/apollolake/cpu.c
+++ b/src/soc/intel/apollolake/cpu.c
@@ -273,6 +273,8 @@ void apollolake_init_cpus(struct device *dev)
 {
 	if (CONFIG(SOC_INTEL_COMMON_BLOCK_CPU_MPINIT))
 		return;
+	if (!dev->link_list)
+		add_more_links(dev, 1);
 	soc_init_cpus(dev->link_list);
 
 	/* Temporarily cache the memory-mapped boot media. */
-- 
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