linux-kernel - Re: [PATCH 2/12] acpi: select ACPI_EC for THINKPAD

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Message-ID: <20070622144750.GV5193@alberich.amd.com>
Date:	Fri, 22 Jun 2007 16:47:50 +0200
From:	"Andreas Herrmann" <andreas.herrmann3@....com>
To:	"Henrique de Moraes Holschuh" <hmh@....eng.br>
cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [PATCH 2/12] acpi: select ACPI_EC for THINKPAD_ACPI

On Tue, Jun 19, 2007 at 09:57:44PM -0300, Henrique de Moraes Holschuh wrote:
> On Wed, 20 Jun 2007, Andreas Herrmann wrote:
> > Fix kernel build problem:
> > 
> >  thinkpad_acpi.c:(.text+0x7486a): undefined reference to `ec_write'
> > 
> > (as THINKPAD_ACPI depends on ACPI_EC)
> > 
> > Signed-off-by: Andreas Herrmann <andreas.herrmann3@....com>
> > ---
> >  drivers/misc/Kconfig |    1 +
> >  1 files changed, 1 insertions(+), 0 deletions(-)
> > 
> > diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
> > index 2f2fbff..72774c9 100644
> > --- a/drivers/misc/Kconfig
> > +++ b/drivers/misc/Kconfig
> > @@ -139,6 +139,7 @@ config SONYPI_COMPAT
> >  config THINKPAD_ACPI
> >  	tristate "ThinkPad ACPI Laptop Extras"
> >  	depends on X86 && ACPI
> > +	select ACPI_EC
> >  	select BACKLIGHT_CLASS_DEVICE
> >  	select HWMON
> >  	---help---
> 
> Acked-by: Henrique de Moraes Holschuh <hmh@....eng.br>
> 

Well, this one shouldn't be applied. The problem is better
fixed in arch/x86_64/Kconfig.

BTW, the above patch would lead to kconfig warnings on non
x86-architectures. A proper version would be to add
"select ACPI_EC if X86".


Regards,

Andreas

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