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coresight: tpiu: Cleanup power management 

Drop the power only when we have successfully probed. Otherwise
leave it to the amba probe to do the rest.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
[Removed extra newline left after original modification]
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Suzuki K Poulose 2019-04-25 13:52:48 -06:00 committed by Greg Kroah-Hartman
parent 850ccfe3e8
commit 0bfc53b30e
1 changed files with 6 additions and 3 deletions
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9
drivers/hwtracing/coresight/coresight-tpiu.c
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@ -153,8 +153,6 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
/* Disable tpiu to support older devices */
tpiu_disable_hw(drvdata);
pm_runtime_put(&adev->dev);
desc.type = CORESIGHT_DEV_TYPE_SINK;
desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_PORT;
desc.ops = &tpiu_cs_ops;
@ -162,7 +160,12 @@ static int tpiu_probe(struct amba_device *adev, const struct amba_id *id)
desc.dev = dev;
drvdata->csdev = coresight_register(&desc);
return PTR_ERR_OR_ZERO(drvdata->csdev);
if (!IS_ERR(drvdata->csdev)) {
pm_runtime_put(&adev->dev);
return 0;
}
return PTR_ERR(drvdata->csdev);
}
#ifdef CONFIG_PM