linux-kernel - [PATCH v5 0/2] Add support for UltraSoc System Memory Buffer

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Message-ID: <20220416083953.52610-1-liuqi115@huawei.com>
Date:   Sat, 16 Apr 2022 16:39:51 +0800
From:   Qi Liu <liuqi115@...wei.com>
To:     <mathieu.poirier@...aro.org>, <suzuki.poulose@....com>
CC:     <coresight@...ts.linaro.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linuxarm@...wei.com>,
        <Jonathan_Lucas@...tor.com>
Subject: [PATCH v5 0/2] Add support for UltraSoc System Memory Buffer

Add support for UltraSoc System Memory Buffer.

Change since v4:
- Add a simple document of SMB driver according to Suzuki's comment.
- Address the comments from Suzuki.
- https://lore.kernel.org/linux-arm-kernel/20220128061755.31909-1-liuqi115@huawei.com/

Change since v3:
- Modify the file header according to community specifications.
- Address the comments from Mathieu.
- Link:https://lore.kernel.org/linux-arm-kernel/20211118110016.40398-1-liuqi115@huawei.com/
Change since v2:
- Move ultrasoc driver to drivers/hwtracing/coresight.
- Link:https://lists.linaro.org/pipermail/coresight/2021-November/007310.html

Change since v1:
- Drop the document of UltraSoc according to Mathieu's comment.
- Add comments to explain some private hardware settings.
- Address the comments from Mathieu.
- Link: https://lists.linaro.org/pipermail/coresight/2021-August/006842.html

Change since RFC:
- Move driver to drivers/hwtracing/coresight/ultrasoc.
- 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):
  drivers/coresight: Add UltraSoc System Memory Buffer driver
  Documentation: Add document for UltraSoc SMB drivers

 .../trace/coresight/ultrasoc-smb.rst          |  79 +++
 drivers/hwtracing/coresight/Kconfig           |  10 +
 drivers/hwtracing/coresight/Makefile          |   1 +
 drivers/hwtracing/coresight/ultrasoc-smb.c    | 643 ++++++++++++++++++
 drivers/hwtracing/coresight/ultrasoc-smb.h    | 106 +++
 5 files changed, 839 insertions(+)
 create mode 100644 Documentation/trace/coresight/ultrasoc-smb.rst
 create mode 100644 drivers/hwtracing/coresight/ultrasoc-smb.c
 create mode 100644 drivers/hwtracing/coresight/ultrasoc-smb.h

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2.24.0