On Wed, Aug 28, 2024 at 08:21:14AM +0200, Andreas Larsson wrote:
> On 2024-08-28 08:10, Christoph Hellwig wrote:
> > --- a/drivers/xen/Kconfig
> > +++ b/drivers/xen/Kconfig
> > @@ -177,8 +177,8 @@ config XEN_GRANT_DMA_ALLOC
> >
> > config SWIOTLB_XEN
> > def_bool y
> > + depends on ARCH_DM
On 2024-08-28 08:10, Christoph Hellwig wrote:
> --- a/drivers/xen/Kconfig
> +++ b/drivers/xen/Kconfig
> @@ -177,8 +177,8 @@ config XEN_GRANT_DMA_ALLOC
>
> config SWIOTLB_XEN
> def_bool y
> + depends on ARCH_DMA_OPS
Rename to ARCH_HAS_DMA_OPS in v2 is missing here
> depends on X
DMA ops are a helper for architectures and not for drivers to override
the DMA implementation.
Unfortunately driver authors keep ignoring this. Make the fact more
clear by renaming the symbol to ARCH_HAS_DMA_OPS and having the two drivers
overriding their dma_ops depend on that. These drivers sh
