linux-kernel - Re: [PATCH] dt-bindings: mtd: cdns,hp-nfc: Add dma-coherent property

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Message-ID: <aa9d982e-1a69-48b4-b9f4-16584aac9924@kernel.org>
Date: Sun, 1 Feb 2026 13:25:55 -0600
From: Dinh Nguyen <dinguyen@...nel.org>
To: Conor Dooley <conor@...nel.org>
Cc: miquel.raynal@...tlin.com, richard@....at, vigneshr@...com,
 linux-mtd@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org,
 Khairul Anuar Romli <khairul.anuar.romli@...era.com>,
 Rob Herring <robh@...nel.org>
Subject: Re: [PATCH] dt-bindings: mtd: cdns,hp-nfc: Add dma-coherent property



On 1/31/26 14:26, Conor Dooley wrote:
> On Sat, Jan 31, 2026 at 11:26:11AM -0600, Dinh Nguyen wrote:
>> From: Khairul Anuar Romli <khairul.anuar.romli@...era.com>
>>
>> The Cadence HP NAND Flash Controller on supports DMA transactions through
>> a coherent interconnect. In previous generations SoC (Stratix10 and Agilex)
>> the interconnect was non-coherent, hence there is no need for dma-coherent
>> property to be presence. In Agilex 5, the architecture has changed. It
>> introduced a coherent interconnect that supports cache-coherent DMA.
>>
>> Signed-off-by: Khairul Anuar Romli <khairul.anuar.romli@...era.com>
>> Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
> 
> Why does this v1 have an ack?
> 

I respun this patch based on the mtd tree so that the mtd maintainers 
can take it. I had originally applied it to my tree, but avoid merge 
conflicts, I'm going to submit it through mtd. This patch is the same as 
this[1].

Sorry for any confusion.

Dinh
[1] 
https://lore.kernel.org/linux-devicetree/176488419217.2206248.9983976146883123306.robh@kernel.org/