linux-kernel - Re: [PATCH v2 0/4] dma-mapping: Define dma_{alloc,free}

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Date:	Wed, 22 May 2013 10:47:41 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Damian Hobson-Garcia <dhobsong@...l.co.jp>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-s390@...r.kernel.org" <linux-s390@...r.kernel.org>,
	Will Deacon <Will.Deacon@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"msalter@...hat.com" <msalter@...hat.com>,
	"linux-c6x-dev@...ux-c6x.org" <linux-c6x-dev@...ux-c6x.org>,
	"deller@....de" <deller@....de>,
	"linux-parisc@...r.kernel.org" <linux-parisc@...r.kernel.org>
Subject: Re: [PATCH v2 0/4] dma-mapping: Define dma_{alloc,free}_attrs()
 for all archs

On Wed, May 22, 2013 at 03:37:17AM +0100, Damian Hobson-Garcia wrote:
> Hello,
> On 2013/04/30 12:01, Damian Hobson-Garcia wrote:
> > Most architectures that define CONFIG_HAVE_DMA=y, have implementations for
> > both dma_alloc_attrs() and dma_free_attrs().  All achitectures that do
> > not define CONFIG_HAVE_DMA also have both of these definitions provided by
> > dma-mapping-broken.h.

BTW, shouldn't this be called CONFIG_HAVE_DMA_ATTRS?

> > Provide a default definition for the archs that define CONFIG_HAVE_DMA=y,
> > but have no implementation for dma_{alloc,free}_attrs(). 
> > 
> > As I don't have hardware for any of these systems, the patches are only
> > compile-tested where I could (arm64, s390) and untested for the archs
> > where I couldn't find a readily available prebuilt cross-compiler (c6x, parisc).
> 
> >  arch/arm64/include/asm/dma-mapping.h  |   17 +++++++++++------
> >  arch/c6x/include/asm/dma-mapping.h    |    3 +++
> >  arch/parisc/include/asm/dma-mapping.h |    3 +++
> >  arch/s390/include/asm/dma-mapping.h   |   17 +++++++++++------
> >  4 files changed, 28 insertions(+), 12 deletions(-)
> > 
> 
> Since this series spans several architectures, what would be the best
> way to have this patch series merged?
> Should I resubmit each patch to the mailing list for each architecture
> separately?

I'm happy to take the arm64 patch.

Thanks.

-- 
Catalin
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