linux-kernel - Re: [PATCH v1 2/4] dmaengine: xgene-dma: Add support for CRC32C calculation via DMA engine

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Message-ID: <20150820070957.GG13546@localhost>
Date:	Thu, 20 Aug 2015 12:39:57 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Rameshwar Sahu <rsahu@....com>
Cc:	dan.j.williams@...el.com, Herbert Xu <herbert@...dor.apana.org.au>,
	davem@...emloft.net, linux-crypto@...r.kernel.org,
	dmaengine@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, jcm@...hat.com,
	patches@....com
Subject: Re: [PATCH v1 2/4] dmaengine: xgene-dma: Add support for CRC32C
 calculation via DMA engine

On Thu, Aug 20, 2015 at 12:23:50PM +0530, Rameshwar Sahu wrote:
> Hi Vinod,
> 
> On Thu, Aug 20, 2015 at 11:10 AM, Vinod Koul <vinod.koul@...el.com> wrote:
> > On Thu, Jul 30, 2015 at 05:41:06PM +0530, Rameshwar Prasad Sahu wrote:
> >> +     /* Invalidate unused source address field */
> >> +     for (; i < 4; i++)
> >> +             xgene_dma_invalidate_buffer(xgene_dma_lookup_ext8(desc2, i));
> >> +
> >> +     /* Check whether requested buffer processed */
> >> +     if (nbytes) {
> >> +             chan_err(chan, "Src count crossed maximum limit\n");
> >> +             return -EINVAL;
> > no cleanup ?
> Here not required, cleanup I am doing in parent function from where
> this function is getting called in case of failure.
> >
> >> +struct dma_async_tx_descriptor *xgene_dma_prep_flyby(
> >> +     struct xgene_dma_chan *chan, struct scatterlist *src_sg,
> >> +     size_t len, u32 seed, u8 *result, unsigned long flags, u8 opcode)
> > please fix style here
> 
> Could you explain me What kind of coding style you would like here ??

See CodingStyle Chapter 2

-- 
~Vinod

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