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Date:	Sat, 23 May 2009 13:15:56 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	devicetree-discuss@...abs.org
Cc:	Wolfgang Grandegger <wg@...ndegger.com>,
	Linux Netdev List <netdev@...r.kernel.org>,
	linuxppc-dev <Linuxppc-dev@...abs.org>
Subject: Re: [net-next-2.6 PATCH v2] can: SJA1000: generic OF platform bus driver

On Friday 22 May 2009, Wolfgang Grandegger wrote:
> This patch adds a generic driver for SJA1000 chips on the OpenFirmware
> platform bus found on embedded PowerPC systems. 

Nice driver!

> +static u8 sja1000_ofp_read_reg(const struct net_device *dev, int reg)
> +{
> +	return in_8((void __iomem *)(dev->base_addr + reg));
> +}
> +
> +static void sja1000_ofp_write_reg(const struct net_device *dev, int reg, u8 val)
> +{
> +	out_8((void __iomem *)(dev->base_addr + reg), val);
> +}

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.

	Arnd <><
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