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    Subject[PATCH 4.9 57/66] iio: adc: palmas_gpadc: retrieve a valid iio_dev in suspend/resume
    Date
    4.9-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Alison Schofield <amsfield22@gmail.com>

    commit d1aaf20ee655888c227d5137b7a63551f8d15416 upstream.

    The suspend/resume functions were using dev_to_iio_dev() to get
    the iio_dev. That only works on IIO dev's. Use dev_get_drvdata()
    for a platform device to get the correct iio_dev.

    Signed-off-by: Alison Schofield <amsfield22@gmail.com>
    Signed-off-by: Jonathan Cameron <jic23@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/iio/adc/palmas_gpadc.c | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    --- a/drivers/iio/adc/palmas_gpadc.c
    +++ b/drivers/iio/adc/palmas_gpadc.c
    @@ -775,7 +775,7 @@ static int palmas_adc_wakeup_reset(struc

    static int palmas_gpadc_suspend(struct device *dev)
    {
    - struct iio_dev *indio_dev = dev_to_iio_dev(dev);
    + struct iio_dev *indio_dev = dev_get_drvdata(dev);
    struct palmas_gpadc *adc = iio_priv(indio_dev);
    int wakeup = adc->wakeup1_enable || adc->wakeup2_enable;
    int ret;
    @@ -798,7 +798,7 @@ static int palmas_gpadc_suspend(struct d

    static int palmas_gpadc_resume(struct device *dev)
    {
    - struct iio_dev *indio_dev = dev_to_iio_dev(dev);
    + struct iio_dev *indio_dev = dev_get_drvdata(dev);
    struct palmas_gpadc *adc = iio_priv(indio_dev);
    int wakeup = adc->wakeup1_enable || adc->wakeup2_enable;
    int ret;

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