From: Francesco Dolcini <francesco@dolcini.it>
To: Peng Fan <peng.fan@oss.nxp.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Jonathan Corbet <corbet@lwn.net>,
Shuah Khan <skhan@linuxfoundation.org>,
Randy Dunlap <rdunlap@infradead.org>,
Marc Zyngier <maz@kernel.org>, Oliver Upton <oupton@kernel.org>,
Fuad Tabba <fuad.tabba@linux.dev>,
Joey Gouly <joey.gouly@arm.com>,
Steffen Eiden <seiden@linux.ibm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
"Ivan T. Ivanov" <iivanov@suse.de>,
Francesco Dolcini <francesco@dolcini.it>,
Frank Li <frank.li@nxp.com>,
linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev,
imx@lists.linux.dev, Peng Fan <peng.fan@nxp.com>
Subject: Re: [PATCH v4] arm64: errata: Add NXP iMX8QM workaround for A53 cache coherency issue
Date: Mon, 5 Oct 2026 10:08:22 +0200 [thread overview]
Message-ID: <20261005080822.GA13120@francesco-nb> (raw)
In-Reply-To: <aqleHm4stDi3Pt//@shlinux89>
Hello,
On Tue, Sep 15, 2026 at 11:02:54PM +0800, Peng Fan wrote:
> On Mon, Aug 24, 2026 at 12:02:04PM +0800, Peng Fan (OSS) wrote:
> >From: Peng Fan <peng.fan@nxp.com>
> >
> >According to NXP errata document IMX8_1N94W[1], the i.MX8QuadMax SoC
> >suffers from a cache coherency issue (ERR050104). The upper bits, above
> >bit 35, of the ARADDR and ACADDR buses within the Arm A53 subsystem
> >have been incorrectly connected. This causes some TLBI and IC
> >maintenance operations exchanged between the A53 and A72 core clusters
> >to be corrupted.
> >
>
> Any comments?
Any plan to have this merged?
Francesco
next prev parent reply other threads:[~2026-10-05 8:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-24 4:02 [PATCH v4] arm64: errata: Add NXP iMX8QM workaround for A53 cache coherency issue Peng Fan (OSS)
2026-08-25 7:06 ` Franz Schnyder
2026-09-15 15:04 ` Peng Fan
2026-09-15 15:02 ` Peng Fan
2026-10-05 8:08 ` Francesco Dolcini [this message]
2026-10-06 11:18 ` Catalin Marinas
2026-10-08 13:23 ` Peng Fan
2026-10-09 7:22 ` Catalin Marinas
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