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

From: Marc Zyngier
Date: Fri May 16 2025 - 03:04:02 EST


On Fri, 16 May 2025 05:13:31 +0100,
adrianhoyin.ng@xxxxxxxxxx wrote:
>
> From: Adrian Ng Ho Yin <adrianhoyin.ng@xxxxxxxxxx>
>
> 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.