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Date:   Tue, 8 Sep 2020 16:13:14 +0100
From:   Christoph Hellwig <>
To:     Edward Cree <>
Cc:,,, Christoph Hellwig <>
Subject: Re: [PATCH net-next 6/6] sfc: simplify DMA mask setting

On Mon, Sep 07, 2020 at 05:15:48PM +0100, Edward Cree wrote:
> Christoph says[1] that dma_set_mask_and_coherent() is smart enough to
>  truncate the mask itself if it's too long.  So we can get rid of our
>  "lop off one bit and retry" loop in efx_init_io().
> [1]:
> Signed-off-by: Edward Cree <>

Looks good:

Reviewed-by: Christoph Hellwig <>

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