From: Marc Zyngier <maz@kernel.org>
To: "harry.yu185" <harry.yu185@gmail.com>
Cc: corbet@lwn.net, catalin.marinas@arm.com, will@kernel.org,
tglx@linutronix.de, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] irqchip/gic-v3: Add Allwinner sunxi001 erratum workaround
Date: Sun, 02 Jun 2024 10:25:01 +0100 [thread overview]
Message-ID: <86o78jlms2.wl-maz@kernel.org> (raw)
In-Reply-To: <20240602071058.6405-1-harry.yu185@gmail.com>
On Sun, 02 Jun 2024 08:10:58 +0100,
"harry.yu185" <harry.yu185@gmail.com> wrote:
>
> Allwinner A523 GIC600 integration does not support the
> sharability feature. So assigned Erratum ID #sunxi001 for this
> issue.
>
> That the 0x0201643b ID is not Allwinner specific and thus
> there is an extra of_machine_is_compatible() check.
>
> Note, because more than one soc may have this problem, the 'sunxi'
> name is used instead of a fixed soc name like A523.
>
> Signed-off-by: harry.yu185 <harry.yu185@gmail.com>
No, this is all already handled by the driver already (since 6.6).
Please fix your DT to include the "dma-noncoherent" property in the
GIC and ITS nodes, which should paper over the integration bug.
Thanks,
M.
--
Without deviation from the norm, progress is not possible.
next prev parent reply other threads:[~2024-06-02 9:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-02 7:10 [PATCH] irqchip/gic-v3: Add Allwinner sunxi001 erratum workaround harry.yu185
2024-06-02 9:25 ` Marc Zyngier [this message]
2024-06-02 13:23 ` yu harry
2024-06-02 13:53 ` Marc Zyngier
2024-06-02 20:15 ` Andre Przywara
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