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From: Daniel Silverstone <dsilvers@simtec.co.uk>
To: David Miller <davem@davemloft.net>
Cc: hch@infradead.org, netdev@vger.kernel.org
Subject: Re: [Patch] Micrel KS8695 intergrated ethernet driver
Date: Tue, 09 Dec 2008 09:29:31 +0000	[thread overview]
Message-ID: <1228814971.11905.2.camel@petitemort> (raw)
In-Reply-To: <20081209.010529.57138453.davem@davemloft.net>

On Tue, 2008-12-09 at 01:05 -0800, David Miller wrote:
> > > > > +                       mapping = dma_map_single(ksp->dev, skb->data,
> > > > > +                                                MAX_RXBUF_SIZE,
> > > > > +                                                DMA_FROM_DEVICE);
> > > > I take it that dma_map_single() can never fail on ARM?
> > > No it can't. It essentially boils down to some pointer arithmetic on
> > > this platform.
> > You should check for errors anyway.  The driver might be ported to an
> > architecture where it can fail (e.g. the SOC block gets reused), ARM
> > variants may come up where it can fail, or people might use the driver
> > as an example for their own new driver.
> Agreed.

Very well, I shall sort out an ammended patch. Thanks for your help in
reviewing the code.

Regards,

Daniel.

-- 
Daniel Silverstone                              http://www.simtec.co.uk/
PGP mail accepted and encouraged.            Key Id: 2BC8 4016 2068 7895



  reply	other threads:[~2008-12-09  9:29 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-05 15:06 [Patch] Micrel KS8695 intergrated ethernet driver Daniel Silverstone
2008-12-05 17:57 ` Ben Hutchings
2008-12-08 11:05   ` Daniel Silverstone
2008-12-08 15:17     ` Ben Hutchings
2008-12-08 20:29       ` David Miller
2008-12-09  8:57     ` Christoph Hellwig
2008-12-09  9:05       ` David Miller
2008-12-09  9:29         ` Daniel Silverstone [this message]
2008-12-13 19:07     ` Kalle Valo
2008-12-08 13:08   ` Daniel Silverstone
2008-12-09 17:00     ` Daniel Silverstone
     [not found]     ` <1228764912.3177.39.camel@achroite>
2008-12-09 17:30       ` [Patch] Micrel KS8695 integrated " Daniel Silverstone
2008-12-09 18:10         ` Ben Hutchings
2008-12-10  7:05         ` David Miller
2008-12-10 15:41           ` Daniel Silverstone
2008-12-12  5:01             ` David Miller

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