linux-kernel - Re: [PATCH 0/3] Add quirk to support address bus size limitation

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Message-ID: <86h61lf352.wl-maz@kernel.org>
Date: Fri, 16 May 2025 08:03:53 +0100
From: Marc Zyngier <maz@...nel.org>
To: adrianhoyin.ng@...era.com
Cc: dinguyen@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	tglx@...utronix.de,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] Add quirk to support address bus size limitation

On Fri, 16 May 2025 05:13:31 +0100,
adrianhoyin.ng@...era.com wrote:
> 
> From: Adrian Ng Ho Yin <adrianhoyin.ng@...era.com>
> 
> This patch set adds support for the address bus size limitation by
> allocating buffers with in a 32 bit address range.
> 
> -Add device tree binding to enable a quirk to support a limited address
> bus size.
> -Update ITS node for Agilex5 with dma_32bit_quirk.
> -Add implementation to configure gfp flags to allocate buffers within
> 32 bit addressable range when quirk is set.

No. Please join the pack of other totally broken integrations and
reuse the *existing* infrastructure. You'll be in good company.

	M.

-- 
Without deviation from the norm, progress is not possible.