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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()
Date: Wed, 19 Aug 2026 18:27:02 +0200	[thread overview]
Message-ID: <87wltmjctl.ffs@fw13> (raw)
In-Reply-To: <20260819090543.585131-2-Zhipeng.wang_1@oss.nxp.com>

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

  parent reply	other threads:[~2026-08-19 16:27 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-19  9:05 [PATCH v4 0/5] irqchip/imx-irqsteer: Allow building as module Zhipeng.wang_1
2026-08-19  9:05 ` [PATCH v4 1/5] genirq/irqdomain: Add devm_irq_domain_create_linear() Zhipeng.wang_1
2026-08-19 14:23   ` Frank Li
2026-08-19 16:27   ` Thomas Gleixner [this message]
2026-08-19  9:05 ` [PATCH v4 2/5] irqchip/imx-irqsteer: Use devm to manage the IRQ domain Zhipeng.wang_1
2026-08-19 14:24   ` Frank Li
2026-08-19 16:28     ` Thomas Gleixner
2026-08-19  9:05 ` [PATCH v4 3/5] irqchip/imx-irqsteer: Dispose of parent IRQ mappings in remove() Zhipeng.wang_1
2026-08-19 14:25   ` Frank Li
2026-08-19  9:05 ` [PATCH v4 4/5] irqchip/imx-irqsteer: Mask all interrupts in probe() Zhipeng.wang_1
2026-08-19  9:05 ` [PATCH v4 5/5] irqchip/imx-irqsteer: Allow building as module Zhipeng.wang_1
2026-08-19 15:17   ` Frank Li
2026-08-19 16:30   ` Thomas Gleixner
2026-08-19 16:20 ` [PATCH v4 0/5] " Thomas Gleixner

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