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[68.147.0.187]) by smtp.gmail.com with ESMTPSA id x13sm2973468pjh.30.2021.09.02.10.51.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Sep 2021 10:51:39 -0700 (PDT) Date: Thu, 2 Sep 2021 11:51:37 -0600 From: Mathieu Poirier To: Qi Liu Cc: suzuki.poulose@arm.com, mike.leach@linaro.org, coresight@lists.linaro.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxarm@huawei.com Subject: Re: [PATCH 0/2] coresight: ultrasoc: Add support for System Memory Buffer device Message-ID: <20210902175137.GC1078000@p14s> References: <20210719111737.47891-1-liuqi115@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210719111737.47891-1-liuqi115@huawei.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jul 19, 2021 at 07:17:35PM +0800, Qi Liu wrote: > This patchset add support for SMB(System Memory Buffer) device, SMB > obtains CPU instructions from Coresight ETM device and stores these > messages in system memory. > SMB is developed by Ultrasoc technology, which is acquired by Siemens, > and we still use "Ultrasoc" to name document and driver. > > Change since RFC: > - Move ultrasoc driver to drivers/hwtracing/coresight. > - Remove ultrasoc-axi-com.c, as AXI-COM doesn't need to be configured in > basic tracing function. > - Remove ultrasoc.c as SMB does not need to register with the ultrasoc core. > - Address the comments from Mathieu and Suzuki. > - Link: https://lists.linaro.org/pipermail/coresight/2021-June/006535.html > > Qi Liu (2): > Documentation: tracing: Documentation for ultrasoc SMB drivers > coresight: ultrasoc: Add System Memory Buffer driver > > .../trace/coresight/ultrasoc-trace.rst | 193 +++++ > MAINTAINERS | 7 + > drivers/hwtracing/coresight/Kconfig | 3 + > drivers/hwtracing/coresight/Makefile | 2 + > drivers/hwtracing/coresight/ultrasoc/Kconfig | 12 + > drivers/hwtracing/coresight/ultrasoc/Makefile | 6 + > .../coresight/ultrasoc/ultrasoc-smb.c | 722 ++++++++++++++++++ > .../coresight/ultrasoc/ultrasoc-smb.h | 142 ++++ > 8 files changed, 1087 insertions(+) I have started to review this set. Comments will follow shortly. Thanks, Mathieu > create mode 100644 Documentation/trace/coresight/ultrasoc-trace.rst > create mode 100644 drivers/hwtracing/coresight/ultrasoc/Kconfig > create mode 100644 drivers/hwtracing/coresight/ultrasoc/Makefile > create mode 100644 drivers/hwtracing/coresight/ultrasoc/ultrasoc-smb.c > create mode 100644 drivers/hwtracing/coresight/ultrasoc/ultrasoc-smb.h > > -- > 2.17.1 >