linux-kernel - Re: [PATCH v8 1/2] drivers/coresight: Add UltraSoc System Memory Buffer driver

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Message-ID: <7607df0c-0c47-1cfc-bc8b-6490bbf9eecf@huawei.com>
Date:   Wed, 17 Aug 2022 09:47:02 +0800
From:   hejunhao <hejunhao3@...wei.com>
To:     Randy Dunlap <rdunlap@...radead.org>, <mathieu.poirier@...aro.org>,
        <suzuki.poulose@....com>, <mike.leach@...aro.org>,
        <leo.yan@...aro.org>
CC:     <coresight@...ts.linaro.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linuxarm@...wei.com>,
        <liuqi115@...wei.com>, <f.fangjian@...wei.com>,
        <prime.zeng@...ilicon.com>
Subject: Re: [PATCH v8 1/2] drivers/coresight: Add UltraSoc System Memory
 Buffer driver



On 2022/8/17 2:00, Randy Dunlap wrote:

Hi Randy,

Thanks for your comments.

> Hi--
>
> On 8/16/22 06:16, Junhao He wrote:
>> diff --git a/drivers/hwtracing/coresight/Kconfig b/drivers/hwtracing/coresight/Kconfig
>> index 514a9b8086e3..4380eb1a0a73 100644
>> --- a/drivers/hwtracing/coresight/Kconfig
>> +++ b/drivers/hwtracing/coresight/Kconfig
>> @@ -201,4 +201,14 @@ config CORESIGHT_TRBE
>>   
>>   	  To compile this driver as a module, choose M here: the module will be
>>   	  called coresight-trbe.
> Please insert a blank line here like it is done elsewhere.

I will fix it in the next version.
Thanks.

>> +config ULTRASOC_SMB
>> +	tristate "Ultrasoc system memory buffer drivers"
>> +	depends on ACPI && ARM64 && CORESIGHT_LINKS_AND_SINKS
>> +	help
>> +	  This driver provides support for the Ultrasoc system memory buffer (SMB).
>> +	  SMB is responsible for receiving the trace data from Coresight ETM devices
>> +	  and storing them to a system buffer.
>> +
>> +	  To compile this driver as a module, choose M here: the module will be
>> +	  called ultrasoc-smb.
>>   endif
> thanks.

Regards,
Junhao.