linux-kernel - Re: [PATCH 4/6] i2c: riic: Pass IRQ desc array as part of OF data

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Message-ID: <aD2DNNhG9_Bj58Yn@shikoro>
Date: Mon, 2 Jun 2025 12:55:48 +0200
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Chris Brandt <chris.brandt@...esas.com>,
	Andi Shyti <andi.shyti@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Andy Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	linux-renesas-soc@...r.kernel.org, linux-i2c@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Biju Das <biju.das.jz@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH 4/6] i2c: riic: Pass IRQ desc array as part of OF data

On Fri, May 30, 2025 at 03:31:33PM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> 
> In preparation for adding support for Renesas RZ/T2H and RZ/N2H SoCs,
> which feature a combined error interrupt instead of individual error
> interrupts per condition, update the driver to support configurable IRQ
> layouts via OF data.
> 
> Introduce a new `irqs` field and `num_irqs` count in `riic_of_data` to
> allow future SoCs to provide a custom IRQ layout. This patch is a
> non-functional change for existing SoCs and maintains compatibility with
> the current `riic_irqs` array.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>

Tested-by: Wolfram Sang <wsa+renesas@...g-engineering.com> # on RZ/A1


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