linux-kernel - [PATCH] pci-label: Fix build failure when CONFIG

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Message-Id: <20110329094557.17cd57a1.randy.dunlap@oracle.com>
Date:	Tue, 29 Mar 2011 09:45:57 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc:	Shyam_Iyer@...l.com, jbarnes@...tuousgeek.org, mjg59@...f.ucam.org,
	Narendra_K@...l.com, viro@...iv.linux.org.uk, sfr@...b.auug.org.au,
	linux-kernel@...r.kernel.org, linux-next@...r.kernel.org,
	Matt_Domsch@...l.com, Charles_Rose@...l.com,
	Jordan_Hargrave@...l.com
Subject: [PATCH] pci-label: Fix build failure when CONFIG_NLS is set to 'm'
 by allmodconfig

On Wed, 30 Mar 2011 01:39:46 +0900 OGAWA Hirofumi wrote:

> Randy Dunlap <randy.dunlap@...cle.com> writes:
> 
> >> config PCI_LABEL
> >> 	bool
> >>         select NLS
> >>         depends on (DMI || ACPI)
> >
> > What sets/enables it then?
> > or did you mean:
> > 	def_bool y
> > and in that case, should it be a user-visible & user-changeable kconfig option?
> 
> Whoops, last line was missed by copy&paste. It meant
> 
> config PCI_LABEL
> 	bool
> 	select NLS
> 	depends on (DMI || ACPI)
>         default y
> 
> And no, it shouldn't be user-changeable (it would be better to
> invisible in .config. At make *config, already invisible.). Because
> PCI_LABEL is not user config and not used in Makefile.
> 
> And yeah, if you like def_bool
> 
> config PCI_LABEL
> 	def_bool y if (DMI || ACPI)
> 	select NLS
> 
> I guess it would work (it should be just syntax sugar and equivalent).


This patch seems to work for me.  Thanks.

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

Create a kconfig option symbol for PCI_LABEL and enable it
when DMI || ACPI are enabled.

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 drivers/pci/Kconfig  |    4 +++-
 drivers/pci/Makefile |    4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

--- linux-next-20110328.orig/drivers/pci/Kconfig
+++ linux-next-20110328/drivers/pci/Kconfig
@@ -88,4 +88,6 @@ config PCI_IOAPIC
 	depends on HOTPLUG
 	default y
 
-select NLS if (DMI || ACPI)
+config PCI_LABEL
+	def_bool y if (DMI || ACPI)
+	select NLS
--- linux-next-20110328.orig/drivers/pci/Makefile
+++ linux-next-20110328/drivers/pci/Makefile
@@ -56,10 +56,10 @@ obj-$(CONFIG_TILE) += setup-bus.o setup-
 # ACPI Related PCI FW Functions
 # ACPI _DSM provided firmware instance and string name
 #
-obj-$(CONFIG_ACPI)    += pci-acpi.o pci-label.o
+obj-$(CONFIG_ACPI)    += pci-acpi.o
 
 # SMBIOS provided firmware instance and labels
-obj-$(CONFIG_DMI)    += pci-label.o
+obj-$(CONFIG_PCI_LABEL) += pci-label.o
 
 # Cardbus & CompactPCI use setup-bus
 obj-$(CONFIG_HOTPLUG) += setup-bus.o
--
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