diff mbox series

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

Message ID 1555344260-12375-6-git-send-email-suzuki.poulose@arm.com
State Accepted
Commit 263556950f2ad764bad4f98fbc5a9d711fd653a6
Headers show
Series coresight: Support for ACPI bindings | expand

Commit Message

Suzuki K Poulose April 15, 2019, 4:03 p.m. UTC
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>

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

-- 
2.7.4

Comments

Mathieu Poirier April 17, 2019, 8:03 p.m. UTC | #1
On Mon, 15 Apr 2019 at 10:05, Suzuki K Poulose <suzuki.poulose@arm.com> wrote:
>

> 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>

> ---

>  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.

> --

> 2.7.4

>
Suzuki K Poulose April 23, 2019, 9:33 a.m. UTC | #2
On 04/17/2019 09:03 PM, Mathieu Poirier wrote:
> On Mon, 15 Apr 2019 at 10:05, Suzuki K Poulose <suzuki.poulose@arm.com> wrote:

>>

>> 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>

>> ---

>>   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 !
diff mbox series

Patch

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;
 }