diff mbox series

[12/32] coresight: tmc: Cleanup power management

Message ID 20190425195310.31562-13-mathieu.poirier@linaro.org
State New
Headers show
Series coresight: next v5.1-rc6 | expand

Commit Message

Mathieu Poirier April 25, 2019, 7:52 p.m. UTC 
From: Suzuki K Poulose <suzuki.poulose@arm.com>


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>

---
 drivers/hwtracing/coresight/coresight-tmc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

-- 
2.17.1
diff mbox series

Patch

diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c
index 647b6aa93554..c6a5462ebf27 100644
--- a/drivers/hwtracing/coresight/coresight-tmc.c
+++ b/drivers/hwtracing/coresight/coresight-tmc.c
@@ -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;
 }