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

Mike Rapoport
2010-03-02T06:44:29Z

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.