linux-kernel - Re: [PATCH 6/8] arm-nommu: call dma_mmap_from_dev

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Message-ID: <247fabce-5284-8140-c492-fe49e1683ca6@cogentembedded.com>
Date:   Fri, 9 Aug 2019 12:35:00 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Christoph Hellwig <hch@....de>, iommu@...ts.linux-foundation.org,
        Marek Szyprowski <m.szyprowski@...sung.com>
Cc:     Vladimir Murzin <vladimir.murzin@....com>,
        Takashi Iwai <tiwai@...e.de>, Helge Deller <deller@....de>,
        Robin Murphy <robin.murphy@....com>,
        Michal Simek <monstr@...str.eu>,
        linux-arm-kernel@...ts.infradead.org,
        linux-m68k@...ts.linux-m68k.org, linux-parisc@...r.kernel.org,
        linux-sh@...r.kernel.org, linux-xtensa@...ux-xtensa.org,
        linuxppc-dev@...ts.ozlabs.org, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/8] arm-nommu: call dma_mmap_from_dev_coherent directly

On 08.08.2019 19:00, Christoph Hellwig wrote:

> Ther is no need to go through dma_common_mmap for the arm-nommu

    There. :-)

> dma mmap implementation as the only possible memory not handled above
> could be that from the per-device coherent pool.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
[...]

MBR, Sergei