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    Subject[PATCH] CHROMIUM: devfreq: rk3399: Clear edev->dev drvdata before enabling dfi
    Date
    Currently we are using edev->dev drvdata to get rk3399-dmc data, but
    it would be inited to edev in devfreq_event_add_edev.

    So we need to clear the edev->dev drvdata before enabling dfi, to
    prevent dfi from getting the wrong rk3399-dmc data when the irq
    triggered too early.

    Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
    ---

    drivers/devfreq/rk3399_dmc.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c
    index 1b89ebbad02c..12f9f03f349f 100644
    --- a/drivers/devfreq/rk3399_dmc.c
    +++ b/drivers/devfreq/rk3399_dmc.c
    @@ -429,6 +429,7 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev)

    rk3399_devfreq_dmc_profile.initial_freq = data->rate;

    + platform_set_drvdata(pdev, NULL);
    data->devfreq = devm_devfreq_add_device(dev,
    &rk3399_devfreq_dmc_profile,
    "simple_ondemand",
    --
    2.11.0

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