netdev - Re: [net-next-2.6 PATCH v2] can: SJA1000: generic OF platform bus driver

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Message-Id: <200905242327.15139.arnd@arndb.de>
Date:	Sun, 24 May 2009 23:27:14 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	linuxppc-dev@...abs.org
Cc:	Wolfgang Grandegger <wg@...ndegger.com>,
	Linux Netdev List <netdev@...r.kernel.org>,
	devicetree-discuss@...abs.org
Subject: Re: [net-next-2.6 PATCH v2] can: SJA1000: generic OF platform bus driver

On Saturday 23 May 2009, Wolfgang Grandegger wrote:
> Arnd Bergmann wrote:
> > 
> > Minor nitpicking: dev->base_addr should be defined as an __iomem pointer
> > so you can avoid the cast here and in the ioremap/iounmap path.
> 
> Here the member "base_addr" of "struct net_device" is used and it's not
> up to me to change the type.

Right, that makes sense. However, most drivers use the field to store the
physical address, not the iomap token. Maybe there should be a new field
in struct sja1000_priv for the virtual address, but that would be a change
to the base driver, not just to the OF portion.

Thanks,

	Arnd <><
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