linux-kernel - RE: [PATCH v4] dmaengine: add CSR SiRFprimaII DMAC driver

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Message-ID: <5EB3BFCD089AD643B9BB63439F5FD5E98419FAC0@SHAASIEXM01.ASIA.ROOT.PRI>
Date:	Fri, 28 Oct 2011 08:08:27 +0000
From:	Barry Song <Barry.Song@....com>
To:	Vinod Koul <vinod.koul@...el.com>
CC:	Arnd Bergmann <arnd@...db.de>,
	Jassi Brar <jaswinder.singh@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	DL-SHA-WorkGroupLinux <Workgroup.Linux@....com>,
	Rongjun Ying <Rongjun.Ying@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH v4] dmaengine: add CSR SiRFprimaII DMAC driver

> -----Original Message-----
> From: Barry Song
> Sent: 2011年10月28日 13:04
> To: 'Vinod Koul'
> Cc: Arnd Bergmann; Jassi Brar; Linus Walleij; linux-kernel@...r.kernel.org;
> DL-SHA-WorkGroupLinux; Rongjun Ying; linux-arm-kernel@...ts.infradead.org
> Subject: RE: [PATCH v4] dmaengine: add CSR SiRFprimaII DMAC driver
> 
> > -----Original Message-----
> > From: Vinod Koul [mailto:vinod.koul@...el.com]
> > Sent: 2011年10月28日 12:10
> > To: Barry Song
> > Cc: Arnd Bergmann; Jassi Brar; Linus Walleij; linux-kernel@...r.kernel.org;
> > DL-SHA-WorkGroupLinux; Rongjun Ying; linux-arm-kernel@...ts.infradead.org
> > Subject: RE: [PATCH v4] dmaengine: add CSR SiRFprimaII DMAC driver
> >
> > On Fri, 2011-10-28 at 01:49 +0000, Barry Song wrote:
> > > > Also, Please ensure you send patches which compile with ZERO warnings:
> > > > drivers/dma/sirf-dma.c: In function 'sirfsoc_dma_probe':
> > > > drivers/dma/sirf-dma.c:616: warning: assignment from incompatible
> > pointer
> > > > type
> > > > drivers/dma/sirf-dma.c:617: warning: assignment from incompatible
> > pointer
> > > > type
> > > > which comes from the fact that your prep_interleaved_dma does not have
> > > > last argument of flags.
> > > > On the second one you have not rebased to patch from Jassi which I
> > > > applied after converting direction stuff.
> > >
> > >
> > [pls wrap 80chars within paragraphs, i have reformatted below)
> > > I rebased to both yours and Jassi by my merging manually. I remember
> > > you have changed the last param of device_prep_dma_cyclic from
> > > dma_data_direction to dma_transfer_direction. After checking the tree
> > > interleaved_dma @ git://git.infradead.org/users/vkoul/slave-dma.git,
> > > it doesn't. then make another compiling warning in
> > > sirfsoc_dma_prep_cyclic(). so I'll still use dma_data_direction in
> > > sirfsoc_dma_prep_cyclic().
> > Yes for cyclic, I have missed to fix that. I will push the fixed version
> 
> Ok. note my v5 is still using dma_data_direction. You might take care too :-)

Vinod, as I have acked interleaved dma API explicitly before, could you pls add: 
Acked-by: Barry Song <Baohua.Song@....com>
in the commit of " DMAEngine: Define interleaved transfer request api" in your tree too. I didn't find it after I fetch your tree :-)

> 
> > now
> >
> > --
> > ~Vinod
-barry



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