On Wed, Jul 04, 2018 at 06:50:12PM +0100, Robin Murphy wrote:
> As for the other mask-related hooks, standardise the arch override into
> a Kconfig option, and also pull the generic implementation into the DMA
> mapping code rather than having it hide away in the platform bus code.
Heh, I have a s
On Wed, Jul 04, 2018 at 06:50:11PM +0100, Robin Murphy wrote:
> Arch-specific implementions for dma_set_{coherent_,}mask() currently
> rely on an inconsistent mix of arch-defined Kconfig symbols and macro
> overrides. Now that we have a nice centralised home for DMA API gubbins,
> let's consolidate
> - BUG_ON(!ops);
> - WARN_ON_ONCE(dev && !dev->coherent_dma_mask);
> -
> if (dma_alloc_from_dev_coherent(dev, size, dma_handle, &cpu_addr))
> return cpu_addr;
>
> + BUG_ON(!ops);
> + WARN_ON_ONCE(dev && !dev->coherent_dma_mask);
I think doing dma on a device
