From 08f63d97749185fab942a3a47ed80f5bd89b8b7d Mon Sep 17 00:00:00 2001
From: Joerg Roedel <jroedel@suse.de>
Date: Wed, 22 Mar 2017 18:33:25 +0100
Subject: [PATCH] ACPI: Do not create a platform_device for IOAPIC/IOxAPIC
No platform-device is required for IO(x)APICs, so don't even
create them.
[ rjw: This fixes a problem with leaking platform device objects
after IOAPIC/IOxAPIC hot-removal events.]
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/acpi/acpi_platform.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
index b4c1a6a51da48..03250e1f11039 100644
--- a/drivers/acpi/acpi_platform.c
+++ b/drivers/acpi/acpi_platform.c
@@ -25,9 +25,11 @@
ACPI_MODULE_NAME("platform");
static const struct acpi_device_id forbidden_id_list[] = {
- {"PNP0000", 0}, /* PIC */
- {"PNP0100", 0}, /* Timer */
- {"PNP0200", 0}, /* AT DMA Controller */
+ {"PNP0000", 0}, /* PIC */
+ {"PNP0100", 0}, /* Timer */
+ {"PNP0200", 0}, /* AT DMA Controller */
+ {"ACPI0009", 0}, /* IOxAPIC */
+ {"ACPI000A", 0}, /* IOAPIC */
{"", 0},
};