Re: [PATCH] ata: libata depends on HAS_DMA

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On Mon, 11 May 2009 22:38:55 +0000
Arnd Bergmann <arnd@xxxxxxxx> wrote:

> libata uses the DMA mapping API, so it cannot be built
> on architectures that don't have DMA support.
> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Nakked-by: Alan Cox <alan@xxxxxxxxxxxxxxx>

Almost every PATA adapter can fall back to PIO, many are PIO only. We
need a rather cleaner way to sort this.
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