linux-kernel - [PATCH] gpu/stub: fix acpi_video build error, fix stub kconfig dependencies

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Date:	Tue, 1 Feb 2011 11:17:28 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Len Brown <lenb@...nel.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Luming Yu <luming.yu@...el.com>, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: [PATCH] gpu/stub: fix acpi_video build error, fix stub kconfig
 dependencies

From: Randy Dunlap <randy.dunlap@...cle.com>

The comments under "config STUB_POULSBO" are close to correct,
but they are not being followed.  This patch updates them to reflect
the requirements for THERMAL.

This build error is caused by STUB_POULSBO selecting ACPI_VIDEO
when ACPI_VIDEO's config requirements are not met.

ERROR: "thermal_cooling_device_register" [drivers/acpi/video.ko] undefined!
ERROR: "thermal_cooling_device_unregister" [drivers/acpi/video.ko] undefined!

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 drivers/gpu/stub/Kconfig |    2 ++
 1 file changed, 2 insertions(+)

--- lnx-2638-rc3.orig/drivers/gpu/stub/Kconfig
+++ lnx-2638-rc3/drivers/gpu/stub/Kconfig
@@ -1,11 +1,13 @@
 config STUB_POULSBO
 	tristate "Intel GMA500 Stub Driver"
 	depends on PCI
+	depends on NET # for THERMAL
 	# Poulsbo stub depends on ACPI_VIDEO when ACPI is enabled
 	# but for select to work, need to select ACPI_VIDEO's dependencies, ick
 	select BACKLIGHT_CLASS_DEVICE if ACPI
 	select INPUT if ACPI
 	select ACPI_VIDEO if ACPI
+	select THERMAL if ACPI
 	help
 	  Choose this option if you have a system that has Intel GMA500
 	  (Poulsbo) integrated graphics. If M is selected, the module will
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