linux-kernel - Re: [PATCH v2 1/5] dmaengine: at_hdmac: modify way to use interrupts

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Message-ID: <20110426043408.GG12904@game.jcrosoft.org>
Date:	Tue, 26 Apr 2011 06:34:08 +0200
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	"Koul, Vinod" <vinod.koul@...el.com>
Cc:	Nicolas Ferre <nicolas.ferre@...el.com>, dan.j.williams@...el.com,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 1/5] dmaengine: at_hdmac: modify way to use
 interrupts

On 09:32 Tue 26 Apr     , Koul, Vinod wrote:
> On Fri, 2011-04-22 at 19:41 +0200, Nicolas Ferre wrote:
> > Now we use Buffer Transfer Completed interrupts. If we
> > want a chained buffer completed information, we setup the
> > ATC_IEN bit in CTRLB register in the lli.
> > This is done by set_desc_eol() function and used by
> > memcpy/slave_sg functions.
> > 
> > Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
> > ---
> >  drivers/dma/at_hdmac.c      |    4 ++--
> >  drivers/dma/at_hdmac_regs.h |   11 ++++++++---
> >  2 files changed, 10 insertions(+), 5 deletions(-)
> > 
> >  
> Looks like your forgot to run checkpatch
> WARNING: line over 80 characters
> #401: FILE: drivers/dma/at_hdmac_regs.h:106:
> +#define MEM_IF			0		/* specify AHB interface 0 as memory interface */
> 
> WARNING: line over 80 characters
> #402: FILE: drivers/dma/at_hdmac_regs.h:107:
> +#define PER_IF			1		/* specify AHB interface 1 as peripheral interface
> */
> 
> WARNING: line over 80 characters
> #689: FILE: drivers/dma/at_hdmac.c:899:
> +			direction == DMA_TO_DEVICE ? "TO DEVICE" : "FROM DEVICE",
> 
> total: 0 errors, 3 warnings, 465 lines checked
> 
> While I am okay with 3rd one, you can easily reformat code for first two
> and avoid these two warnings...
It's comments it make it more readable

Best Regards,
J.
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