linux-kernel - [PATCH v2 0/3] irqchip: Add Sophgo SG2042 MSI controller

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Message-Id: <cover.1733726057.git.unicorn_wang@outlook.com>
Date: Mon,  9 Dec 2024 15:11:10 +0800
From: Chen Wang <unicornxw@...il.com>
To: u.kleine-koenig@...libre.com,
	aou@...s.berkeley.edu,
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Subject: [PATCH v2 0/3] irqchip: Add Sophgo SG2042 MSI controller

From: Chen Wang <unicorn_wang@...look.com>

This controller is on the Sophgo SG2042 SoC to transform interrupts from
PCIe MSI to PLIC interrupts.

Thanks,
Chen

---

Changes in v2:
  The patch series is based on v6.13-rc2.

  Fixed following issues as per comments from Rob Herring, Thomas Gleixner, thanks.

  - Improve driver binding description, use msi-ranges instread.
  - Improve driver code:
    - Improve coding style.
    - Fixed bug that possible memory leak of bitmap when sg2042_msi_init_domains returns error.
    - Use guard(mutex).
    - Use the MSI parent model.

Changes in v1:
  The patch series is based on v6.12-rc7. You can simply review or test the
  patches at the link [1].

Link: https://lore.kernel.org/linux-riscv/cover.1731296803.git.unicorn_wang@outlook.com/ [1]
---


Chen Wang (3):
  dt-bindings: interrupt-controller: Add Sophgo SG2042 MSI
  irqchip: Add the Sophgo SG2042 MSI interrupt controller
  riscv: sophgo: dts: add msi controller for SG2042

 .../sophgo,sg2042-msi.yaml                    |  63 ++++
 arch/riscv/boot/dts/sophgo/sg2042.dtsi        |  10 +
 drivers/irqchip/Kconfig                       |  12 +
 drivers/irqchip/Makefile                      |   1 +
 drivers/irqchip/irq-sg2042-msi.c              | 285 ++++++++++++++++++
 5 files changed, 371 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/sophgo,sg2042-msi.yaml
 create mode 100644 drivers/irqchip/irq-sg2042-msi.c


base-commit: fac04efc5c793dccbd07e2d59af9f90b7fc0dca4
-- 
2.34.1