[PATCH v2 1/3] dt-bindings: mtd: cdns,hp-nfc: Add dma-coherent property
Rob Herring (Arm)
robh at kernel.org
Thu Dec 4 13:36:32 PST 2025
On Wed, 03 Dec 2025 07:47:33 +0800, Khairul Anuar Romli wrote:
> 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 at altera.com>
> ---
> Changes in v2:
> - Rephrase commit message to describe why the property is needed now
> and was not needed previously.
> - Remove redundant statement.
> ---
> Documentation/devicetree/bindings/mtd/cdns,hp-nfc.yaml | 2 ++
> 1 file changed, 2 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh at kernel.org>
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