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    SubjectRE: [PATCH] gpiolib: introduce for_each_gpio_in_chip macro
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    On Tue, 2009-08-04 at 20:48 -0400, H Hartley Sweeten wrote:

    > For the record. The reason I sent this is I'm trying to work out an
    > extension to gpiolib that adds gpio_port_* access to the API. Most
    > of the gpiolib drivers already the necessary logic since the raw I/O
    > is performed on the entire 'chip'. The API just needs the extensions
    > added to request/free the port, set the direction and get/set the value.
    >
    > Is this a worthwhile addition?

    Plenty of people seem to think so. Personally I haven't seen a great
    use case except "'coz I can", but if you've got one I'd love to hear.

    Have you seen http://lkml.org/lkml/2009/1/25/10 ? Donno what ended up
    happening to that patchset..

    --Ben.




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