From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [net-next-2.6 PATCH v2] can: SJA1000: generic OF platform bus driver Date: Sat, 23 May 2009 13:15:56 +0200 Message-ID: <200905231315.57016.arnd@arndb.de> References: <4A16BAAE.3070401@grandegger.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: Wolfgang Grandegger , Linux Netdev List , linuxppc-dev To: devicetree-discuss@ozlabs.org Return-path: Received: from moutng.kundenserver.de ([212.227.126.188]:52933 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751716AbZEWLQO (ORCPT ); Sat, 23 May 2009 07:16:14 -0400 In-Reply-To: <4A16BAAE.3070401@grandegger.com> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: 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 <><