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Date: Tue, 02 Mar 2010 08:42:56 +0200
From: Mike Rapoport <mike@compulab.co.il>
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To: Len Brown <lenb@kernel.org>
CC: David Brownell <david-b@pacbell.net>,
       Denis Turischev <denis@compulab.co.il>,
       Samuel Ortiz <sameo@linux.intel.com>,
       LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 3/3] gpio: add Intel SCH GPIO controller driver
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Len Brown wrote:
>> I've looked at two x86 drivers in drivers/gpiolib (cs5535 and langwell) and
>> there's no treatment of ACPI in either of them. Since SCH is defined by Intel
>> as "embedded" product, having a GPIO driver for it seems logical even despite
>> problems you mention.
> 
> FWIW
> I believe that Langwell is used only in products without an ACPI BIOS.
> 
> Poulsbo, OTOH, is used in zillions of netbooks running Windows XP.
> I don't know what a cs5535 is.

The cs5535 is AMD Geode LX companion chip which is used with ACPI BIOS 
as well.

> cheers,
> Len Brown, Intel Open Source Technology Center
> 


-- 
Sincerely yours,
Mike.