linux-kernel - Re: [PATCH] irqchip/gic-v3-its: Restore quirk probing for ACPI-based systems

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Message-ID: <08b67af4-22d6-84f3-62ea-90a5e5e1eb25@huawei.com>
Date: Wed, 31 Jan 2024 17:39:11 +0800
From: Zenghui Yu <yuzenghui@...wei.com>
To: Marc Zyngier <maz@...nel.org>
CC: <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	Thomas Gleixner <tglx@...utronix.de>, Lorenzo Pieralisi
	<lpieralisi@...nel.org>, <stable@...r.kernel.org>
Subject: Re: [PATCH] irqchip/gic-v3-its: Restore quirk probing for ACPI-based
 systems

On 2024/1/27 19:07, Marc Zyngier wrote:
> While refactoring the way the ITSs are probed, the handling of
> quirks applicable to ACPI-based platforms was lost. As a result,
> systems such as HIP07 lose their GICv4 functionnality, and some
> other may even fail to boot, unless they are configured to boot
> with DT.
> 
> Move the enabling of quirks into its_probe_one(), making it
> common to all firmware implementations.
> 
> Fixes: 9585a495ac93 ("irqchip/gic-v3-its: Split allocation from initialisation of its_node")
> Signed-off-by: Marc Zyngier <maz@...nel.org>
> Cc: stable@...r.kernel.org

Looks good,

Reviewed-by: Zenghui Yu <yuzenghui@...wei.com>