linux-kernel - [PATCH v3 0/5] of/irq: Misc msi-parent handling fixes/clean-ups

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Message-ID: <20251017084752.1590264-1-lpieralisi@kernel.org>
Date: Fri, 17 Oct 2025 10:47:47 +0200
From: Lorenzo Pieralisi <lpieralisi@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org,
	linux-pci@...r.kernel.org,
	devicetree@...r.kernel.org,
	Sascha Bischoff <sascha.bischoff@....com>,
	Scott Branden <sbranden@...adcom.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Rob Herring <robh@...nel.org>,
	Ray Jui <rjui@...adcom.com>,
	Frank Li <Frank.Li@....com>,
	Manivannan Sadhasivam <mani@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Marc Zyngier <maz@...nel.org>
Subject: [PATCH v3 0/5] of/irq: Misc msi-parent handling fixes/clean-ups

This is series is a follow up to [1] - with additional patches that are
addressing Rob's feedback (pcie-layerscape-gen4 was removed from the
kernel, Yay !) and other bits and bobs I noticed while staring at the code.

Patch (1) is a fix and technically we would like to get it in v6.18 please.

Patch (4) is compile-tested only, I can not run it on HW, I do not have it,
Scott, Ray please test it if you can.

v2 -> v3:
	- Added additional patch to export of_msi_xlate()
	- Merged Marc's ITS parent diff
	- Added trailers, fixed commit logs

v2: https://lore.kernel.org/lkml/20251014095845.1310624-1-lpieralisi@kernel.org/
v1: https://lore.kernel.org/lkml/20250916091858.257868-1-lpieralisi@kernel.org/

[1] https://lore.kernel.org/lkml/20250916091858.257868-1-lpieralisi@kernel.org/

Cc: Sascha Bischoff <sascha.bischoff@....com>
Cc: Scott Branden <sbranden@...adcom.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Rob Herring <robh@...nel.org>
Cc: Ray Jui <rjui@...adcom.com>
Cc: Frank Li <Frank.Li@....com>
Cc: Manivannan Sadhasivam <mani@...nel.org>
Cc: "Krzysztof Wilczyński" <kwilczynski@...nel.org>
Cc: Marc Zyngier <maz@...nel.org>

Lorenzo Pieralisi (5):
  of/irq: Add msi-parent check to of_msi_xlate()
  of/irq: Fix OF node refcount in of_msi_get_domain()
  of/irq: Export of_msi_xlate() for module usage
  PCI: iproc: Implement MSI controller node detection with
    of_msi_xlate()
  irqchip/gic-its: Rework platform MSI deviceID detection

 drivers/irqchip/irq-gic-its-msi-parent.c | 91 ++++++------------------
 drivers/of/irq.c                         | 43 +++++++++--
 drivers/pci/controller/pcie-iproc.c      | 22 ++----
 3 files changed, 67 insertions(+), 89 deletions(-)

-- 
2.50.1