[PATCH] dma-mapping: treat dev->bus_dma_mask as a DMA limit

[Nicolas Saenz Julienne]

On Thu, 2019-11-21 at 08:31 +0100, Christoph Hellwig wrote:
> On Tue, Nov 19, 2019 at 05:17:03PM +0000, Robin Murphy wrote:
> > TBH I can't see it being a massive problem even if the DMA patch, driver 
> > and DTS patch went entirely separately via the respective DMA, PCI, and 
> > arm-soc trees in the same cycle. Bisecting over a merge window is a big 
> > enough pain in the bum as it is, and if the worst case is that someone 
> > trying to do that on a Pi4 has a wonky PCI controller appear for a couple 
> > of commits, they may as well just disable that driver for their bisection, 
> > because it wasn't there at the start so can't possibly be the thing they're 
> > looking for regressions in ;)
> 
> Agreed.
> 
> Nicolas, can you send a respin?  That way I can still queue it up
> for 5.5.

Oh, I thought it was too late for that already. I'll send it in a minute.

Regards,
Nicolas

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