On 24 April 2015 at 09:05, Ivan T. Ivanov <iivanov@xxxxxxxxxx> wrote:
>
> On Wed, 2015-04-22 at 16:40 -0600, Mathieu Poirier wrote:
>> From: Pratik Patel <pratikp@xxxxxxxxxxxxxx>
>>
>> This driver manages the CoreSight ETMv4 (Embedded Trace Macrocell) IP block
>> to support HW assisted tracing on ARMv7 and ARMv8 architectures.
>>
>> Signed-off-by: Pratik Patel <pratikp@xxxxxxxxxxxxxx>
>> Signed-off-by: Kaixu Xia <xiakaixu@xxxxxxxxxx>
>> Signed-off-by: Mathieu Poirier poirier@xxxxxxxxxx>
>
> <snip>
>
>>
>
>> + pm_runtime_put(&adev->dev);
>> +
>> + desc->type = CORESIGHT_DEV_TYPE_SOURCE;
>> + desc->subtype.source_subtype = CORESIGHT_DEV_SUBTYPE_SOURCE_PROC;
>> + desc->ops = &etm4_cs_ops;
>> + desc->pdata = pdata;
>> + desc->dev = dev;
>> + desc->groups = coresight_etmv4_groups;
>> + drvdata->csdev = coresight_register(desc);
>> + if (IS_ERR(drvdata->csdev)) {
>> + ret = PTR_ERR(drvdata->csdev);
>> + goto err_arch_supported;
>
> double runtime put.
Good catch - thanks.
>
>> + }
>> +
>> + dev_info(dev, "%s initialized\n", (char *)id->data);
>> +
>> + if (boot_enable) {
>> + coresight_enable(drvdata->csdev);
>> + drvdata->boot_enable = true;
>> + }
>> +
>> + return 0;
>> +
>> +err_arch_supported:
>> + pm_runtime_put(&adev->dev);
>> + if (--etm4_count == 0)
>> + unregister_hotcpu_notifier(&etm4_cpu_notifier);
>> + return ret;
>> +}
>
> Regards,
> Ivan
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