linux-kernel - Re: [PATCH RESEND] dma-mapping: tidy up dma

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Message-ID: <20150112130021.GC13360@arm.com>
Date:	Mon, 12 Jan 2015 13:00:21 +0000
From:	Will Deacon <will.deacon@....com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Robin Murphy <Robin.Murphy@....com>,
	"m.szyprowski@...sung.com" <m.szyprowski@...sung.com>,
	"bhelgaas@...gle.com" <bhelgaas@...gle.com>,
	"joro@...tes.org" <joro@...tes.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH RESEND] dma-mapping: tidy up dma_parms default handling

On Fri, Jan 09, 2015 at 07:45:49PM +0000, Arnd Bergmann wrote:
> On Friday 09 January 2015 16:56:03 Robin Murphy wrote:
> > 
> > This one's a bit tricky to find a home for - I think technically it's 
> > probably an IOMMU patch, but then the long-underlying problem doesn't
> > seem to have blown up anything until arm64, and my motivation is to
> > make bits of Juno work, which seems to nudge it towards arm64/arm-soc
> > territory. Could anyone suggest which tree is most appropriate?
> 
> I have a set of patches touching various dma-mapping.h related bits
> across architectures and in ARM in particular. Your patch fits into
> that series, and I guess we could either have it in my asm-generic
> tree or in Andrew Morton's mm tree. Possibly also arm-soc for practical
> reasons, although it really doesn't belong in there.

I also have a couple of fixes for issues found by Laurent for tearing
down the IOMMU dma ops, so you could include those too.

I'll send them out this afternoon.

Will
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