Messages in this thread | | | Date | Tue, 12 May 2009 20:30:27 -0700 | From | Brad Boyer <> | Subject | Re: [PATCH] ata: libata depends on HAS_DMA |
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On Tue, May 12, 2009 at 11:23:20AM +0200, Arnd Bergmann wrote: > Currently, the only architectures that don't set HAS_DMA are h8300, m32r > m68k (except SUN3 and Coldfire), microblaze and s390. > s390 will never get it, microblaze is currently implementing dma-mapping.h. > > The other three are still using drivers/ide instead of drivers/ata. > > One way to fix this would be to implement dma-mapping.h in h8300, m32r and > m68k and leave !HAS_DMA as the obscure s390 case (this one already can't > use ATA because of !HAS_MMIO).
If I'm reading the m68k code correctly, SUN3 is the one that doesn't have DMA. It is implemented on any m68k with a standard Motorola MMU. It might be possible to get the DMA code working on a sun3, but I doubt they ever have IDE hardware.
Brad Boyer flar@allandria.com
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