On 10/07/18 19:04, Christoph Hellwig wrote:
On Tue, Jul 10, 2018 at 06:17:17PM +0100, Robin Murphy wrote:
When an explicit DMA limit is described by firmware, we need to remember
it regardless of how drivers might subsequently update their devices'
masks. The new bus_dma_mask field does that.
Shouldn't we also stop presetting the dma mask after this?
I guess initialising the device masks here only really has any effect if
drivers fail to set their own, so if we're getting stricter about that
then it would make sense to stop; I'll add a couple of patches on top to
clean that up.
Robin.
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