On Tue, May 21, 2019 at 02:47:29PM +0200, Christoph Hellwig wrote:
> Since Linux 5.1 we allow drivers to just set the largest DMA mask they
> support instead of falling back to smaller ones.
This doesn't make sense. "they" is confusing - why would a driver set
a DMA mask larger than the driver
On Tue, May 21, 2019 at 02:00:47PM +0100, Russell King - ARM Linux admin wrote:
> On Tue, May 21, 2019 at 02:47:29PM +0200, Christoph Hellwig wrote:
> > Since Linux 5.1 we allow drivers to just set the largest DMA mask they
> > support instead of falling back to smaller ones.
>
> This doesn't
Since Linux 5.1 we allow drivers to just set the largest DMA mask they
support instead of falling back to smaller ones.
When fixing up all the dma ops instances to allow for this behavior
the arm direct mapping code was missed. Fix it up by removing the
sanity check, as all the actual mapping
