linux-kernel - Re: [PATCH v3 3/3] gpio: add Intel SCH GPIO controller driver

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Message-id: <alpine.LFD.2.00.1003011304500.4281@localhost.localdomain>
Date:	Mon, 01 Mar 2010 13:09:22 -0500 (EST)
From:	Len Brown <lenb@...nel.org>
To:	Mike Rapoport <mike@...pulab.co.il>
Cc:	David Brownell <david-b@...bell.net>,
	Denis Turischev <denis@...pulab.co.il>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 3/3] gpio: add Intel SCH GPIO controller driver

> 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.

cheers,
Len Brown, Intel Open Source Technology Center

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