From 1b68185c7f3e68a420965ae9ad43c3a0c1d1578c Mon Sep 17 00:00:00 2001
From: Len Brown <len.brown@intel.com>
Date: Thu, 14 Sep 2006 17:16:22 -0400
Subject: [PATCH] --- yaml --- r: 39617 b: refs/heads/master c:
 f4d2e2d87eac0338884b2c26f6bafed115dbac5e h: refs/heads/master i:   39615:
 0c530ba56e542acef9145bb5b3eedb81e79dbf9a v: v3

---
 [refs]                           | 2 +-
 trunk/drivers/acpi/motherboard.c | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index a79164638e12..50bc9cec16fe 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 168a328f30e9d1a8bc6ff55c0501e0bdc08bee60
+refs/heads/master: f4d2e2d87eac0338884b2c26f6bafed115dbac5e
diff --git a/trunk/drivers/acpi/motherboard.c b/trunk/drivers/acpi/motherboard.c
index ec6b7f9ede34..2e17ec75af03 100644
--- a/trunk/drivers/acpi/motherboard.c
+++ b/trunk/drivers/acpi/motherboard.c
@@ -48,6 +48,12 @@ ACPI_MODULE_NAME("acpi_motherboard")
  * the io ports if they really know they can use it, while
  * still preventing hotplug PCI devices from using it.
  */
+
+/*
+ * When CONFIG_PNP is enabled, pnp/system.c binds to PNP0C01
+ * and PNP0C02, redundant with acpi_reserve_io_ranges().
+ * But acpi_reserve_io_ranges() is necessary for !CONFIG_PNP.
+ */
 static acpi_status acpi_reserve_io_ranges(struct acpi_resource *res, void *data)
 {
 	struct resource *requested_res = NULL;