Re: [PATCH v2 05/36] coresight: tmc: Cleanup power management

From: Suzuki K Poulose
Date: Tue Apr 23 2019 - 05:31:18 EST


On 04/17/2019 09:03 PM, Mathieu Poirier wrote:
On Mon, 15 Apr 2019 at 10:05, Suzuki K Poulose <suzuki.poulose@xxxxxxx> wrote:

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

Cc: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
---
drivers/hwtracing/coresight/coresight-tmc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c
index 647b6aa..c6a5462 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;
}

I have applied patches 1 to 5.

Thanks Mathieu !