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Date:   Mon, 10 Jan 2022 01:00:13 +0000
To:     Christophe JAILLET <>
Subject: Re: [PATCH] bna: Simplify DMA setting


This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <>:

On Sat,  8 Jan 2022 17:16:16 +0100 you wrote:
> As stated in [1], dma_set_mask() with a 64-bit mask will never fail if
> dev->dma_mask is non-NULL.
> So, if it fails, the 32 bits case will also fail for the same reason.
> So, if dma_set_mask_and_coherent() succeeds, 'using_dac' is known to be
> 'true'. This variable can be removed.
> [...]

Here is the summary with links:
  - bna: Simplify DMA setting

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