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    SubjectRe: [MeeGo-Dev][PATCH] Topcliff: Update PCH_GPIO driver to 2.6.35
    On Tue, Sep 28, 2010 at 12:21:10PM +0900, Masayuki Ohtake wrote:

    > > You should be implementing support for the device using the
    > > standard interfaces used by the other GPIO drivers in kernel.

    > I don't understand how userspace accesses to the driver.
    > Let me know how to ? sysfs only ?

    sysfs, though at least as often another driver in the kernel will
    interact with the GPIOs. Search the kernel for users of the gpiolib
    APIs.


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