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    SubjectRe: [PATCH 2/2] pinctrl: add a generic control interface
    On Thu, Oct 20, 2011 at 4:45 AM, Shawn Guo <> wrote:

    > We should not require device driver to call these APIs directly.  There
    > are so many pinctrl subsystem internal details left to its users.

    As explained I already have drivers that need to do this. OK they
    are out-of-tree, but they do exist.

    For U5500 we have a SIM card driver which sets pull down resistance
    and load capacitance in response to information retrieved from the
    card at runtime. This is not static or internal to pinctrl at all. How should
    I solve this if pin configuration is not exposed?

    Linus Walleij
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