linux-kernel - [PATCH v4 0/3] drivers/perf: add DDR Sub-System Driveway PMU driver for Yitian 710 SoC

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Message-Id: <20220818031822.38415-1-xueshuai@linux.alibaba.com>
Date:   Thu, 18 Aug 2022 11:18:19 +0800
From:   Shuai Xue <xueshuai@...ux.alibaba.com>
To:     will@...nel.org, Jonathan.Cameron@...wei.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     rdunlap@...radead.org, robin.murphy@....com, mark.rutland@....com,
        baolin.wang@...ux.alibaba.com, zhuo.song@...ux.alibaba.com,
        xueshuai@...ux.alibaba.com
Subject: [PATCH v4 0/3] drivers/perf: add DDR Sub-System Driveway PMU driver for Yitian 710 SoC

Hi, Will,

I am wondering that do you have any comments to this patch set? If/when you're
happy with them, cloud you please queue them up?

Thank you :)

Cheers,
Shuai.

Changes since v3:
- add Reviewed-by of Baolin
- Rebase on Linux v6.0 rc1

Changes since v2:
- relaxe build constraints and add COMPILE_TEST
- explicitly include dependent headers
- add Reviewed-by, thanks Jonathan Cameron and Randy Dunlap for their
  valuable review and comments
- Link: https://lore.kernel.org/linux-arm-kernel/20220715151310.90091-4-xueshuai@linux.alibaba.com/T/#m1116abc4b0bda1943ab436a45d95359f9bbe0858

Changes since v1:
- add high level workflow about DDRC so that user cloud better understand
  the PMU hardware mechanism
- rewrite patch description and add interrupt sharing constraints
- delete event perf prefix
- add a condition to fix bug in ali_drw_pmu_isr
- perfer CPU in the same Node when migrating irq
- use FIELD_PREP and FIELD_GET to make code more readable
- add T-Head HID and leave ARMHD700 as CID for compatibility
- Link: https://lore.kernel.org/linux-arm-kernel/eb50310d-d4a0-c7ff-7f1c-b4ffd919b10c@linux.alibaba.com/T/

This patchset adds support for Yitian 710 DDR Sub-System Driveway PMU driver,
which custom-built by Alibaba Group's chip development business, T-Head.

Shuai Xue (3):
  docs: perf: Add description for Alibaba's T-Head PMU driver
  drivers/perf: add DDR Sub-System Driveway PMU driver for Yitian 710
    SoC
  MAINTAINERS: add maintainers for Alibaba' T-Head PMU driver

 .../admin-guide/perf/alibaba_pmu.rst          | 100 +++
 Documentation/admin-guide/perf/index.rst      |   1 +
 MAINTAINERS                                   |   6 +
 drivers/perf/Kconfig                          |   7 +
 drivers/perf/Makefile                         |   1 +
 drivers/perf/alibaba_uncore_drw_pmu.c         | 810 ++++++++++++++++++
 6 files changed, 925 insertions(+)
 create mode 100644 Documentation/admin-guide/perf/alibaba_pmu.rst
 create mode 100644 drivers/perf/alibaba_uncore_drw_pmu.c

-- 
2.20.1.12.g72788fdb