Messages in this thread | | | Date | Thu, 2 Sep 2021 11:51:37 -0600 | From | Mathieu Poirier <> | Subject | Re: [PATCH 0/2] coresight: ultrasoc: Add support for System Memory Buffer device |
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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 >
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