Re: [PATCH] [v2] m68k: coldfire: drop ISA_DMA_API support

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On Tue, Apr 19, 2022 at 3:27 PM Arnd Bergmann <arnd@xxxxxxxxxx> wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> After a build regression report, I took a look at possible users of
> CONFIG_ISA_DMA_API on m68k and found none, which Greg confirmed. The
> CONFIG_GENERIC_ISA_DMA option in turn is only needed to implement
> ISA_DMA_API, and is clearly not used on the platforms with ISA support.
>
> The CONFIG_ISA support for AMIGA_PCMCIA is probably also unneeded,
> but this is less clear. Unlike other PCMCIA implementations, this one
> does not use the drivers/pcmcia subsystem at all and just supports
> the "apne" network driver. When it was first added, one could use
> ISA drivers on it as well, but this probably broke at some point.
>
> With no reason to keep this, let's just drop the corresponding files
> and prevent the remaining ISA drivers that use this from getting built.
>
> The remaining definitions in asm/dma.h are used for PCI support.
>
> Link: https://lore.kernel.org/lkml/9e5ee1c3-ca80-f343-a1f5-66f3dd1c0727@xxxxxxxxxxxxxx/
> Cc: Greg Ungerer <gerg@xxxxxxxxxxxxxx>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> v2: drop GENERIC_ISA_DMA as well, add some background on CONFIG_ISA.

Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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



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