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

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Date:	Tue, 29 Mar 2011 09:55:09 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>, Shyam_Iyer@...l.com,
	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: Re: [PATCH] pci-label: Fix build failure when CONFIG_NLS is set to
 'm' by allmodconfig

On Tue, 29 Mar 2011 09:45:57 -0700
Randy Dunlap <randy.dunlap@...cle.com> wrote:

> 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
> 

Applied to my fixes branch, thanks Randy & Hirofumi-san.

-- 
Jesse Barnes, Intel Open Source Technology Center
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