linux-kernel - [PATCH v4 0/6] Initial support for the Realtek interrupt controller

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Date: Thu, 28 Dec 2023 14:08:19 +0800
From: James Tai <james.tai@...ltek.com>
To: Thomas Gleixner <tglx@...utronix.de>, Marc Zyngier <maz@...nel.org>,
        "Rob
 Herring" <robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, James Tai <james.tai@...ltek.com>
CC: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: [PATCH v4 0/6] Initial support for the Realtek interrupt controller

Introduce an interrupt controller driver for Realtek DHC
(Digital Home Center) SoCs.

Change log:
v3 -> v4:
- Adjusted the allOf block to add constraints on the interrupts per variant
- Adjusted the error path and label
- Added the 'irq_domain_remove' to the error path
- Removed the 'devm_kfree' from the error path
- Replaced the 'irq_of_parse_and_map' with 'of_irq_get'
- Replaced the 'raw_spin_lock' with 'raw_spin_lock_irqsave'
- Adjusted the return value of the 'realtek_intc_subset'
- Replaced the '~1' with macro 'CLEAN_INTC_STATUS'
- Improved code comments and description
- Fixed coding style issues
- Fixed the incorrect control register in mask and unmask functions
- Changed the 'EXPORT_SYMBOL' to the 'EXPORT_SYMBOL_GPL'
- Renamed the 'realtek_intc_subset_cfg' to 'realtek_intc_mask'
- Removed unused and unnecessary code
- Removed 'irq_enable' and 'irq_disable' callback
- Replaced the 'core_initcall' with 'module_init'
- Removed redundant header files
- Moved the function of suspend and resume to common code
- Improved the description of config

v2 -> v3:
- Retested the bindings using the new version of the dtschema
- Fixed the order of property items
- Removed redundant files and replaced them with 'realtek,intc.yaml'
- Replaced 'interrupts-extended' with 'interrupts'
- Added a description for 'interrupts'
- Reduced the example code
- Resolved kernel test robot build warnings

v1 -> v2:
- Tested the bindings using 'make dt_binding_check'
- Fixed code style issues
- Resolved kernel test robot build warnings
- Replaced spin_lock_irqsave with raw_spin_lock
- Replaced magic number with macro
- Removed the realtek_intc_set_affinity function

James Tai (6):
  dt-bindings: interrupt-controller: Add support for Realtek DHC SoCs
  irqchip: Add interrupt controller support for Realtek DHC SoCs
  irqchip: Introduce RTD1319 support using the Realtek common interrupt
    controller driver
  irqchip: Introduce RTD1319D support using the Realtek common interrupt
    controller driver
  irqchip: Introduce RTD1325 support using the Realtek common interrupt
    controller driver
  irqchip: Introduce RTD1619B support using the Realtek common interrupt
    controller driver

 .../interrupt-controller/realtek,intc.yaml    | 131 +++++++++++
 drivers/irqchip/Kconfig                       |  44 ++++
 drivers/irqchip/Makefile                      |   5 +
 drivers/irqchip/irq-realtek-intc-common.c     | 211 ++++++++++++++++++
 drivers/irqchip/irq-realtek-intc-common.h     |  76 +++++++
 drivers/irqchip/irq-realtek-rtd1319.c         | 187 ++++++++++++++++
 drivers/irqchip/irq-realtek-rtd1319d.c        | 196 ++++++++++++++++
 drivers/irqchip/irq-realtek-rtd1325.c         | 196 ++++++++++++++++
 drivers/irqchip/irq-realtek-rtd1619b.c        | 186 +++++++++++++++
 9 files changed, 1232 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/realtek,intc.yaml
 create mode 100644 drivers/irqchip/irq-realtek-intc-common.c
 create mode 100644 drivers/irqchip/irq-realtek-intc-common.h
 create mode 100644 drivers/irqchip/irq-realtek-rtd1319.c
 create mode 100644 drivers/irqchip/irq-realtek-rtd1319d.c
 create mode 100644 drivers/irqchip/irq-realtek-rtd1325.c
 create mode 100644 drivers/irqchip/irq-realtek-rtd1619b.c

-- 
2.25.1