linux-kernel - Re: [PATCH 33/44] openrisc: remove arch-specific dma

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Message-ID: <CAMuHMdUPeFJJtz8eJkQEAR-2w9oHt-fXeGHvvKFLfU2A4YyviQ@mail.gmail.com>
Date:   Fri, 9 Jun 2017 14:20:42 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Christoph Hellwig <hch@....de>
Cc:     "the arch/x86 maintainers" <x86@...nel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        xen-devel@...ts.xenproject.org, linux-c6x-dev@...ux-c6x.org,
        "open list:QUALCOMM HEXAGON..." <linux-hexagon@...r.kernel.org>,
        "linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
        Linux MIPS Mailing List <linux-mips@...ux-mips.org>,
        openrisc@...ts.librecores.org,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        linux-s390 <linux-s390@...r.kernel.org>,
        Linux-sh list <linux-sh@...r.kernel.org>,
        sparclinux <sparclinux@...r.kernel.org>,
        "linux-xtensa@...ux-xtensa.org" <linux-xtensa@...ux-xtensa.org>,
        dmaengine@...r.kernel.org, linux-tegra@...r.kernel.org,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>,
        iommu@...ts.linux-foundation.org,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 33/44] openrisc: remove arch-specific dma_supported implementation

Hi Christoph,

On Thu, Jun 8, 2017 at 3:25 PM, Christoph Hellwig <hch@....de> wrote:
> This implementation is simply bogus - hexagon only has a simple

openrisc?

> direct mapped DMA implementation and thus doesn't care about the
> address.
>
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>  arch/openrisc/include/asm/dma-mapping.h | 7 -------

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds