From 1640a59cb208b0c23d237cf4ba3e8b424a4cb83b Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Fri, 15 Jan 2021 03:04:31 -0500
Subject: linux-libre-4.19: Disable ACPI PCI Hotplug driver

---
diff --git a/changelog b/changelog
index 302b0fe..582e4ba 100644
--- a/changelog
+++ b/changelog
@@ -6,6 +6,9 @@ config-x60 (2.8) trunk
   * config-linux-libre-4.19-x60: Enable DMI scanning (needed by
     ThinkPad ACPI driver).
   * config-linux-libre-4.19-x60: Override command line.
+  * config-linux-libre-4.19-x60: Disable ACPI PCI Hotplug driver and IBM
+    extensions (fixes "acpiphp_ibm: ibm_acpiphp_init:
+    acpi_walk_namespace failed" error at boot).
 
  -- Patrick McDermott <patrick.mcdermott@libiquity.com>  Thu, 14 Jan 2021 00:27:49 -0500
 
diff --git a/src/build/linux-libre-4.19_4.19.167+gnu/config b/src/build/linux-libre-4.19_4.19.167+gnu/config
index de1c1e0..c81b225 100644
--- a/src/build/linux-libre-4.19_4.19.167+gnu/config
+++ b/src/build/linux-libre-4.19_4.19.167+gnu/config
@@ -482,8 +482,7 @@ CONFIG_PCI_LOCKLESS_CONFIG=y
 # CONFIG_PCI_PASID is not set
 CONFIG_PCI_LABEL=y
 CONFIG_HOTPLUG_PCI=y
-CONFIG_HOTPLUG_PCI_ACPI=y
-CONFIG_HOTPLUG_PCI_ACPI_IBM=y
+# CONFIG_HOTPLUG_PCI_ACPI is not set
 # CONFIG_HOTPLUG_PCI_CPCI is not set
 # CONFIG_HOTPLUG_PCI_SHPC is not set
 
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