linux-kernel - Re: [PATCH v4 0/5] of/irq: Misc msi-parent handling fixes/clean-ups

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Message-ID: <20251022140545.GB3390144-robh@kernel.org>
Date: Wed, 22 Oct 2025 09:05:45 -0500
From: Rob Herring <robh@...nel.org>
To: Lorenzo Pieralisi <lpieralisi@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-pci@...r.kernel.org,
	Sascha Bischoff <sascha.bischoff@....com>,
	Scott Branden <sbranden@...adcom.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>, 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: Re: [PATCH v4 0/5] of/irq: Misc msi-parent handling fixes/clean-ups

On Tue, Oct 21, 2025 at 02:40:58PM +0200, Lorenzo Pieralisi wrote:
> 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.
> 
> v3 -> v4:
> 	- Addressed Rob's review
> 	- Added trailers
> 	- Rebased against v6.18-rc2
> 
> v2 -> v3:
> 	- Added additional patch to export of_msi_xlate()
> 	- Addressed review feedback
> 
> v3: https://lore.kernel.org/lkml/20251017084752.1590264-1-lpieralisi@kernel.org/
> 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()

I've applied these 2 for 6.18.

>   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                         | 44 ++++++++++--
>  drivers/pci/controller/pcie-iproc.c      | 22 ++----
>  3 files changed, 68 insertions(+), 89 deletions(-)
> 
> -- 
> 2.50.1
>