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Commit cb8a9fac authored by Suzuki K Poulose's avatar Suzuki K Poulose Committed by Yabin Cui
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UPSTREAM: coresight: tmc: Cleanup power management 



(Upstream commit 263556950f2ad764bad4f98fbc5a9d711fd653a6).

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

Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: default avatarSuzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: default avatarMathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 140266694
Change-Id: I2ee34b0d1a344255fe2d3250d5f8c0cf1ee71e2c
Signed-off-by: default avatarYabin Cui <yabinc@google.com>
parent 1e421be1

drivers/hwtracing/coresight/coresight-tmc.c

+2 −2
Original line number Diff line number Diff line
@@ -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;
@@ -475,6 +473,8 @@ 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;

}