[PATCH 27/44] sparc: remove leon_dma_ops

Andreas Larsson andreas at gaisler.com
Mon Jun 12 01:06:26 PDT 2017


On 2017-06-08 15:25, Christoph Hellwig wrote:
> We can just use pci32_dma_ops.
>
> Btw, given that leon is 32-bit and appears to be PCI based, do even need
> the special case for it in get_arch_dma_ops at all?

Hi!

Yes, it is needed. LEON systems are AMBA bus based. The common case here 
is DMA over AMBA buses. Some LEON systems have PCI bridges, but in 
general CONFIG_PCI is not a given.

-- 
Andreas Larsson
Software Engineer
Cobham Gaisler



More information about the linux-arm-kernel mailing list