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    SubjectRe: [PATCH 11/20] pinctrl: Downgrade pinctrl_get warning when no maps are found
    On Mon, Feb 20, 2012 at 7:45 AM, Stephen Warren <> wrote:

    > This may be perfectly legitimate. An IP block may get re-used
    > across SoCs. Not all of those SoCs may need pinmux settings for the
    > IP block, e.g. if one SoC dedicates pins to that function but
    > another doesn't. The driver won't know this, and will always
    > attempt to set up the pinmux. The mapping table defines whether any
    > HW programming is actually needed.
    > Signed-off-by: Stephen Warren <>

    This is equivalent to providing dummy pincontrollers as was on my
    TODO for a while admittedly.

    For consistency with regulators it would maybe be better to have
    optional dummy pin controllers but after thinking a bit about it
    I think this is more helpful, so I applied it anyway.

    However I would invite more opinions...

    Linus Walleij

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