linux-kernel - Re: [PATCH v4 2/3] PCI: Move isa_dma_bridge

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Date:   Wed, 20 Jul 2022 19:40:16 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Stafford Horne <shorne@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, Arnd Bergmann <arnd@...db.de>,
        Christoph Hellwig <hch@...radead.org>,
        Richard Henderson <rth@...ddle.net>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>,
        Vineet Gupta <vgupta@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Michal Simek <monstr@...str.eu>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
        Helge Deller <deller@....de>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Heiko Carstens <hca@...ux.ibm.com>,
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Subject: Re: [PATCH v4 2/3] PCI: Move isa_dma_bridge_buggy out of dma.h

On Wed, Jul 20, 2022 at 3:20 PM Stafford Horne <shorne@...il.com> wrote:
> During recent PCI cleanups we noticed that the isa_dma_bridge_buggy
> symbol supported by all architectures is actually only used for x86_32.
>
> This patch moves the symbol out of all architectures limiting usage to
> only x86_32.  This is possible because only x86_32 platforms or quirks
> existing in PCI devices supported on x86_32 ever set this.  A new global
> header linux/isa-dma.h is added to provide a common place to maintain
> the definition.
>
> Suggested-by: Arnd Bergmann <arnd@...db.de>
> Suggested-by: Christoph Hellwig <hch@...radead.org>
> Signed-off-by: Stafford Horne <shorne@...il.com>
> ---
> Since v3:
>  - New patch.

>  arch/m68k/include/asm/dma.h            |  6 ------

Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>

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