Re: [PATCH v2 3/5] dma-mapping: Provide CONFIG_ARCH_DMA_DEFAULT_COHERENT

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To: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
Subject: Re: [PATCH v2 3/5] dma-mapping: Provide CONFIG_ARCH_DMA_DEFAULT_COHERENT
From: Christoph Hellwig <hch@xxxxxx>
Date: Wed, 1 Mar 2023 14:03:45 +0100
Cc: linux-mips@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, tsbogend@xxxxxxxxxxxxxxxx, mpe@xxxxxxxxxxxxxx, paul.walmsley@xxxxxxxxxx, palmer@xxxxxxxxxxx, robh+dt@xxxxxxxxxx, hch@xxxxxx, m.szyprowski@xxxxxxxxxxx, robin.murphy@xxxxxxx, linux-riscv@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20230223113644.23356-4-jiaxun.yang@flygoat.com>
References: <20230223113644.23356-1-jiaxun.yang@flygoat.com> <20230223113644.23356-4-jiaxun.yang@flygoat.com>
User-agent: Mutt/1.5.17 (2007-11-01)

> +config ARCH_DMA_DEFAULT_COHERENT
> +	bool

Please add a comment here explaining when an architecture should
ѕelect this symbol.

References:
- [PATCH v2 0/5] Use dma_default_coherent for devicetree default coherency
  - From: Jiaxun Yang
- [PATCH v2 3/5] dma-mapping: Provide CONFIG_ARCH_DMA_DEFAULT_COHERENT
  - From: Jiaxun Yang

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