linux-kernel - [PATCH v9 0/5] Move Hisilicon 6421v600 SPMI and USB drivers out of staging

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Message-Id: <cover.1624640087.git.mchehab+huawei@kernel.org>
Date:   Fri, 25 Jun 2021 19:06:09 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Derek Kiernan <derek.kiernan@...inx.com>,
        Dragan Cvetic <dragan.cvetic@...inx.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-staging@...ts.linux.dev, Axel Lin <axel.lin@...ics.com>,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH v9 0/5] Move Hisilicon 6421v600 SPMI and USB drivers  out of staging

Hi Greg,

This series contain the final bits needed for the USB3 bus to work
without staging drivers on Hikey 970.

It takes a different approach from the past series: basically,
it moves all IRQ related stuff into a new driver ( hi6421v600-irq),
and the MFD driver (hi6421-spmi-pmic) is now quit simple:
it contains just probe and regmap, which attaches into
two MFD "child" drivers (a regulator driver and an IRQ one).

This series also fixes a sutile bug recently introduced via the
regulator tree (patch 2).

Basically, the SPMI/MFD driver combination already uses the
platform data, but the new patch re-uses it to store a mutex
instead, overlapping the previous usage.

This was unoticed on my past tests, as there were some
unused data at the platform struct, that were big enough
to store a mutex, but when I tried to remove it, it caused
crashes and instability at the board.

Regards,
Mauro

Mauro Carvalho Chehab (5):
  staging: hikey9xx: split hi6421v600 irq into a separate driver
  regulator: hi6421v600-regulator: fix platform drvdata
  mfd: hi6421-spmi-pmic: move driver from staging
  dts: hisilicon: add support for the PMIC found on Hikey 970
  dts: hisilicon: add support for USB3 on Hikey 970

 .../mfd/hisilicon,hi6421-spmi-pmic.yaml       | 134 ++++++++
 MAINTAINERS                                   |   7 +
 .../boot/dts/hisilicon/hi3670-hikey970.dts    | 129 ++++++--
 arch/arm64/boot/dts/hisilicon/hi3670.dtsi     |  56 ++++
 .../boot/dts/hisilicon/hikey970-pmic.dtsi     |  87 +++++
 drivers/mfd/Kconfig                           |  16 +
 drivers/mfd/Makefile                          |   1 +
 drivers/mfd/hi6421-spmi-pmic.c                |  72 ++++
 drivers/misc/Kconfig                          |  10 +
 drivers/misc/Makefile                         |   1 +
 drivers/misc/hi6421v600-irq.c                 | 312 ++++++++++++++++++
 drivers/regulator/hi6421v600-regulator.c      |  26 +-
 drivers/staging/Kconfig                       |   2 -
 drivers/staging/Makefile                      |   1 -
 drivers/staging/hikey9xx/Kconfig              |  19 --
 drivers/staging/hikey9xx/Makefile             |   3 -
 drivers/staging/hikey9xx/TODO                 |   5 -
 drivers/staging/hikey9xx/hi6421-spmi-pmic.c   | 311 -----------------
 .../hikey9xx/hisilicon,hi6421-spmi-pmic.yaml  | 134 --------
 include/linux/mfd/hi6421-spmi-pmic.h          |  14 +-
 20 files changed, 822 insertions(+), 518 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml
 create mode 100644 arch/arm64/boot/dts/hisilicon/hikey970-pmic.dtsi
 create mode 100644 drivers/mfd/hi6421-spmi-pmic.c
 create mode 100644 drivers/misc/hi6421v600-irq.c
 delete mode 100644 drivers/staging/hikey9xx/Kconfig
 delete mode 100644 drivers/staging/hikey9xx/Makefile
 delete mode 100644 drivers/staging/hikey9xx/TODO
 delete mode 100644 drivers/staging/hikey9xx/hi6421-spmi-pmic.c
 delete mode 100644 drivers/staging/hikey9xx/hisilicon,hi6421-spmi-pmic.yaml

-- 
2.31.1