Hi Will,
On 28/07/15 10:43, Will Deacon wrote:
Hi Robin,
Cheers for doing this. Just a few comments (mainly in relation to being
consistent with SMMUv3).
Thanks!
On Mon, Jul 27, 2015 at 07:18:09PM +0100, Robin Murphy wrote:
Currently we detect the whether the SMMU has coherent page table w
Hi Robin,
Cheers for doing this. Just a few comments (mainly in relation to being
consistent with SMMUv3).
On Mon, Jul 27, 2015 at 07:18:09PM +0100, Robin Murphy wrote:
> Currently we detect the whether the SMMU has coherent page table walk
"we detect the whether"?
> capability from the IDR0.CT
Currently we detect the whether the SMMU has coherent page table walk
capability from the IDR0.CTTW field, and base our cache maintenance
decisions on that. In preparation for fixing the bogus DMA API usage,
however, we need to ensure that the DMA API agrees about this, which
necessitates deferring
