linux-kernel - Re: [PATCH v2] coresight: etm4x: Add Support for HiSilicon ETM device

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Message-ID: <f43d759d-dc07-e2cd-6865-32a91d8c4096@arm.com>
Date:   Thu, 26 May 2022 10:59:34 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     Alexei Budankov <abudankov@...wei.com>,
        "liuqi (BA)" <liuqi115@...wei.com>, Linuxarm <linuxarm@...wei.com>,
        gregkh@...uxfoundation.org, mathieu.poirier@...aro.org,
        mike.leach@...aro.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Alexey Budankov <alexey.budankov@...wei.com>,
        Anshuman Khandual <anshuman.khandual@....com>
Subject: Re: [PATCH v2] coresight: etm4x: Add Support for HiSilicon ETM device

Hi



On 26/05/2022 09:00, Alexei Budankov wrote:
> Hi,
> 
> On 26.05.2022 10:47, liuqi (BA) wrote:
>>
>>
>> On 2022/5/26 15:23, Alexei Budankov wrote:
>>> Hi Qi,
>>>
> <SNIP>
>>>
>>> Look like our server firmware should be upgraded, right?
>>
>> Yes, seems firmware should be upgraded first, and then you could test ETM device :)
> 
> I would appreciate if you could share some links to upgrade bits and docs, if possible,
> so we could use it to perform the upgrade.

Does your system use ACPI based firmware ? If that is
the case, we do not have the support for ETM with system instructions
at the moment. Anshuman is currently working on addressing
this.

Cheers
Suzuki

> 
> Thanks, > Alexei
>