From: Len Brown <len.brown@intel.com>
Date: Thu, 14 Sep 2006 21:16:22 +0000 (-0400)
Subject: ACPI: update comments in motherboard.c
X-Git-Tag: v2.6.19-rc3~214^2^2~2
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4d2e2d87eac0338884b2c26f6bafed115dbac5e;p=linux-2.6

ACPI: update comments in motherboard.c

Signed-off-by: Len Brown <len.brown@intel.com>
---

diff --git a/drivers/acpi/motherboard.c b/drivers/acpi/motherboard.c
index ec6b7f9ede..2e17ec75af 100644
--- a/drivers/acpi/motherboard.c
+++ b/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;