linux-kernel - [PATCH v2 0/3] drivers/perf: add DDR Sub-System Driveway PMU driver for Yitian 710 SoC

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Date:   Tue, 28 Jun 2022 11:16:27 +0800
From:   Shuai Xue <xueshuai@...ux.alibaba.com>
To:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        will@...nel.org, mark.rutland@....com
Cc:     baolin.wang@...ux.alibaba.com, yaohongbo@...ux.alibaba.com,
        nengchen@...ux.alibaba.com, zhuo.song@...ux.alibaba.com,
        xueshuai@...ux.alibaba.com
Subject: [PATCH v2 0/3] drivers/perf: add DDR Sub-System Driveway PMU driver for Yitian 710 SoC

From: root <root@...alhost.localdomain>

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.

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/

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          |  97 +++
 Documentation/admin-guide/perf/index.rst      |   1 +
 MAINTAINERS                                   |   8 +
 drivers/perf/Kconfig                          |   8 +
 drivers/perf/Makefile                         |   1 +
 drivers/perf/alibaba_uncore_drw_pmu.c         | 793 ++++++++++++++++++
 6 files changed, 908 insertions(+)
 create mode 100644 Documentation/admin-guide/perf/alibaba_pmu.rst
 create mode 100644 drivers/perf/alibaba_uncore_drw_pmu.c

-- 
2.20.1.9.gb50a0d7