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Date:   Sun, 15 Aug 2021 09:42:09 +0100
From:   Christoph Hellwig <>
To:     Andreas Hilse <>
Cc:     Bryan Whitehead <>,,
Subject: Re: lan743x driver fails to map DMA during initialization on
 Raspberry CM4IO

On Mon, Aug 02, 2021 at 02:45:12PM +0200, Andreas Hilse wrote:
> +
> +       if (dma_set_mask_and_coherent(&rx->adapter->pdev->dev,
> DMA_BIT_MASK(64))) {

Setting the 64-bit mask never fails, no need for the error handling

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