From: Mathieu Poirier <mathieu.poirier@linaro.org>
To: "Ivan T. Ivanov" <iivanov@mm-sol.com>
Cc: Greg KH <gregkh@linuxfoundation.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
linux-api@vger.kernel.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Kaixu Xia <kaixu.xia@linaro.org>,
Chunyan Zhang <zhang.chunyan@linaro.org>
Subject: Re: [PATCH 01/11] coresight-etm4x: Adding CoreSight ETM4x driver
Date: Mon, 27 Apr 2015 09:51:21 -0600 [thread overview]
Message-ID: <CANLsYkxWaxWL6rDaEKh+EOcXVBEqWp1W5yarSEsvEC3B0mne7g@mail.gmail.com> (raw)
In-Reply-To: <1429887923.5211.6.camel@mm-sol.com>
On 24 April 2015 at 09:05, Ivan T. Ivanov <iivanov@mm-sol.com> wrote:
>
> On Wed, 2015-04-22 at 16:40 -0600, Mathieu Poirier wrote:
>> From: Pratik Patel <pratikp@codeaurora.org>
>>
>> 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@codeaurora.org>
>> Signed-off-by: Kaixu Xia <xiakaixu@huawei.com>
>> Signed-off-by: Mathieu Poirier poirier@linaro.org>
>
> <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
next prev parent reply other threads:[~2015-04-27 15:51 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-22 22:40 [PATCH 00/11] Support for coresight ETMv4 tracer Mathieu Poirier
2015-04-22 22:40 ` [PATCH 01/11] coresight-etm4x: Adding CoreSight ETM4x driver Mathieu Poirier
2015-04-23 15:17 ` Christopher Covington
2015-04-24 15:05 ` Ivan T. Ivanov
2015-04-27 15:51 ` Mathieu Poirier [this message]
2015-04-24 15:41 ` Ivan T. Ivanov
2015-04-27 15:48 ` Mathieu Poirier
2015-04-28 8:30 ` Ivan T. Ivanov
2015-04-28 20:32 ` Mathieu Poirier
2015-04-28 12:23 ` Linus Walleij
2015-04-28 12:28 ` Linus Walleij
2015-05-08 14:07 ` Mathieu Poirier
2015-04-22 22:40 ` [PATCH 02/11] coresight-etm4x: Controls pertaining to tracer configuration Mathieu Poirier
2015-04-22 22:40 ` [PATCH 03/11] coresight-etm4x: Controls pertaining to the reset, mode, pe and events Mathieu Poirier
2015-04-22 22:40 ` [PATCH 04/11] coresight-etm4x: Controls pertaining to various configuration options Mathieu Poirier
2015-04-22 22:40 ` [PATCH 05/11] coresight-etm4x: Controls pertaining to the ViewInst register Mathieu Poirier
2015-04-22 22:40 ` [PATCH 06/11] coresight-etm4x: Controls pertaining to the address comparator functions Mathieu Poirier
2015-04-22 22:40 ` [PATCH 07/11] coresight-etm4x: Controls pertaining to the sequencer functions Mathieu Poirier
2015-04-22 22:40 ` [PATCH 08/11] coresight-etm4x: Controls pertaining to the counter functions Mathieu Poirier
2015-04-22 22:40 ` [PATCH 09/11] coresight-etm4x: Controls pertaining to the selection of resources Mathieu Poirier
2015-04-22 22:40 ` [PATCH 10/11] coresight-etm4x: Controls pertaining to the context ID functions Mathieu Poirier
2015-04-23 15:08 ` Christopher Covington
2015-04-23 15:16 ` Mathieu Poirier
2015-04-23 16:59 ` Christopher Covington
2015-04-22 22:40 ` [PATCH 11/11] coresight-etm4x: Controls pertaining to the VM " Mathieu Poirier
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