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    SubjectRe: [PATCH] drivers: create a pin control subsystem v8
    2011/9/30 Grant Likely <>:

    > I'm not convinced that the sysfs approach is
    > actually the right interface here (I'm certainly not a fan of the gpio
    > sysfs i/f), and I'd rather not be putting in unneeded stuff until the
    > userspace i/f is hammered out.

    Actually, thinking about it I cannot see what would be wrong
    with /dev/gpio0 & friends in the first place.

    Using sysfs as swiss army knife for custom I/O does not
    seem like it would be long-term viable so thanks for this
    observation, and I think we need /dev/gpio* put on some
    mental roadmap somewhere.

    Linus Walleij
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