Re: [PATCH v2 1/2] arm64: Move Mediatek GIC quirk handling from irqchip to core

From: Catalin Marinas <catalin.marinas@arm.com>
To: Marc Zyngier <maz@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Will Deacon <will@kernel.org>, Chen-Yu Tsai <wenst@chromium.org>,
	Douglas Anderson <dianders@chromium.org>
Cc: Amit Daniel Kachhap <amit.kachhap@arm.com>,
	AngeloGioacchino Del Regno 
	<angelogioacchino.delregno@collabora.com>,
	James Morse <james.morse@arm.com>,
	Joey Gouly <joey.gouly@arm.com>, Mark Brown <broonie@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v2 1/2] arm64: Move Mediatek GIC quirk handling from irqchip to core
Date: Wed,  8 Nov 2023 15:46:00 +0000	[thread overview]
Message-ID: <169945831991.2744977.435558730470523982.b4-ty@arm.com> (raw)
In-Reply-To: <20231107072651.v2.1.Ide945748593cffd8ff0feb9ae22b795935b944d6@changeid>

On Tue, 07 Nov 2023 07:26:56 -0800, Douglas Anderson wrote:
> In commit 44bd78dd2b88 ("irqchip/gic-v3: Disable pseudo NMIs on
> Mediatek devices w/ firmware issues") we added a method for detecting
> Mediatek devices with broken firmware and disabled pseudo-NMI. While
> that worked, it didn't address the problem at a deep enough level.
> 
> The fundamental issue with this broken firmware is that it's not
> saving and restoring several important GICR registers. The current
> list is believed to be:
> * GICR_NUM_IPRIORITYR
> * GICR_CTLR
> * GICR_ISPENDR0
> * GICR_ISACTIVER0
> * GICR_NSACR
> 
> [...]

Applied to arm64 (for-next/core), thanks!

[1/2] arm64: Move Mediatek GIC quirk handling from irqchip to core
      https://git.kernel.org/arm64/c/1d816ba168ea
[2/2] Revert "arm64: smp: avoid NMI IPIs with broken MediaTek FW"
      https://git.kernel.org/arm64/c/4bb49009e071

Also "s/Mediatek/MediaTek/".

-- 
Catalin