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    SubjectRe: [PATCH 1/4 resend] [x86] Add generic GPIO support to x86
    Date
    On Thu, 18 Oct 2007 15:51:24 +0200
    Florian Fainelli <florian.fainelli@telecomint.eu> wrote:

    > This patch adds the generic GPIO support to the x86
    > architecture. We do the same as for MIPS, we let
    > the machine override the gpio callbacks and provide
    > defaults one in mach-generic.
    >
    [...]
    > +
    > +int gpio_request(unsigned gpio, const char *label);
    > +void gpio_free(unsigned gpio);
    > +int gpio_direction_input(unsigned gpio);
    > +int gpio_direction_output(unsigned gpio, int value);
    > +int gpio_get_value(unsigned gpio);
    > +void gpio_set_value(unsigned gpio, int value);
    > +int gpio_to_irq(unsigned gpio);
    > +int irq_to_gpio(unsigned irq);

    While I certainly would like to see a generic GPIO API, this one isn't
    really useful for geode GPIOs. It would be nice to have one that did
    work for us as well. Unfortunately, I haven't had the chance to give
    much thought to this problem yet.


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