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

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Message-ID: <071ecdab-98a8-1f3b-a442-26668b2da446@infradead.org>
Date:   Tue, 16 Aug 2022 11:00:01 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Junhao He <hejunhao3@...wei.com>, 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

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.

> +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.
-- 
~Randy