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From: Thomas Gleixner <tglx@kernel.org>
To: Zhipeng.wang_1@oss.nxp.com, Marc Zyngier <maz@kernel.org>, Frank Li
 <Frank.Li@nxp.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team
 <kernel@pengutronix.de>, Fabio Estevam <festevam@gmail.com>, Jindong Yue
 <jindong.yue@nxp.com>, xuegang.liu@nxp.com, linux-kernel@vger.kernel.org,
 imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4 1/5] genirq/irqdomain: Add
 devm_irq_domain_create_linear()
In-Reply-To: <20260819090543.585131-2-Zhipeng.wang_1@oss.nxp.com>
References: <20260819090543.585131-1-Zhipeng.wang_1@oss.nxp.com>
 <20260819090543.585131-2-Zhipeng.wang_1@oss.nxp.com>
Date: Wed, 19 Aug 2026 18:27:02 +0200
Message-ID: <87wltmjctl.ffs@fw13>
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On Wed, Aug 19 2026 at 18:05, Zhipeng wrote:
> From: Zhipeng Wang <zhipeng.wang_1@nxp.com>
>
> irq_domain_create_linear() has no devres-managed counterpart, so every
> driver that wants the domain torn down automatically on unbind has to
> either open-code an irq_domain_info and call
> devm_irq_domain_instantiate() directly, or register a manual devm action.

I'm not opposed to add this, but adding this as a prerequisite for a
backportable fix is bogus.

Just open code the domain info in driver and use
devm_irq_domain_instantiate() for the initial backportable fix and then
mop up the thing _after_ all fixes are done.

Thanks,

        tglx