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    SubjectRe: [patch 2.6.20-rc2] gpio_direction_output() needs an initial value
    On Thu, 1 Mar 2007 18:25:09 -0800
    David Brownell <> wrote:

    > It's been pointed out that output GPIOs should have an initial value, to
    > avoid signal glitching ... among other things, it can be some time before
    > a driver is ready. This patch corrects that oversight, fixing
    > - documentation
    > - platforms supporting the GPIO interface
    > - users of that call (just one for now, others are pending)
    > Note that most platforms are clear about the hardware letting the output
    > value be set before the pin direction is changed, but the s3c241x docs
    > are vague on that topic ... so those chips might not avoid the glitches.
    > Signed-off-by: David Brownell <>

    Acked-by: Haavard Skinnemoen <>

    Thanks, Dave.

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