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    Subject[PATCH 13/25] coresight: etb10: Clean up device specific data
    Date
    Track the coresight device instead of the real device.

    Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
    Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
    ---
    drivers/hwtracing/coresight/coresight-etb10.c | 6 +++---
    1 file changed, 3 insertions(+), 3 deletions(-)

    diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
    index 105782e..a471cbd 100644
    --- a/drivers/hwtracing/coresight/coresight-etb10.c
    +++ b/drivers/hwtracing/coresight/coresight-etb10.c
    @@ -97,12 +97,12 @@ static unsigned int etb_get_buffer_depth(struct etb_drvdata *drvdata)
    {
    u32 depth = 0;

    - pm_runtime_get_sync(drvdata->dev);
    + pm_runtime_get_sync(drvdata->dev->parent);

    /* RO registers don't need locking */
    depth = readl_relaxed(drvdata->base + ETB_RAM_DEPTH_REG);

    - pm_runtime_put(drvdata->dev);
    + pm_runtime_put(drvdata->dev->parent);
    return depth;
    }

    @@ -701,7 +701,6 @@ static int etb_probe(struct amba_device *adev, const struct amba_id *id)
    if (!drvdata)
    return -ENOMEM;

    - drvdata->dev = &adev->dev;
    drvdata->atclk = devm_clk_get(&adev->dev, "atclk"); /* optional */
    if (!IS_ERR(drvdata->atclk)) {
    ret = clk_prepare_enable(drvdata->atclk);
    @@ -740,6 +739,7 @@ static int etb_probe(struct amba_device *adev, const struct amba_id *id)
    if (IS_ERR(drvdata->csdev))
    return PTR_ERR(drvdata->csdev);

    + drvdata->dev = &drvdata->csdev->dev;
    drvdata->miscdev.name = pdata->name;
    drvdata->miscdev.minor = MISC_DYNAMIC_MINOR;
    drvdata->miscdev.fops = &etb_fops;
    --
    2.7.4
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