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coresight: tmc: Cleanup power management

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Drop the power only if we were successful in probing the device.

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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 13:52:50 -06:00 committed by Greg Kroah-Hartman
parent 2390d45864
commit 263556950f
1 changed files with 2 additions and 2 deletions
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4
drivers/hwtracing/coresight/coresight-tmc.c
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@ -432,8 +432,6 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
drvdata->size = readl_relaxed(drvdata->base + TMC_RSZ) * 4;
}
pm_runtime_put(&adev->dev);
desc.pdata = pdata;
desc.dev = dev;
desc.groups = coresight_tmc_groups;
@ -476,6 +474,8 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
ret = misc_register(&drvdata->miscdev);
if (ret)
coresight_unregister(drvdata->csdev);
else
pm_runtime_put(&adev->dev);
out:
return ret;
}