From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH v3 03/10] mtd: nand: add NAND driver for Broadcom STB NAND controller Date: Fri, 08 May 2015 10:19:06 +0200 Message-ID: <5461819.J0QLFmC4Wg@wuerfel> References: <1430935194-7579-1-git-send-email-computersforpeace@gmail.com> <2668469.V5VmYNtzFN@wuerfel> <20150508020113.GY32500@ld-irv-0074> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <20150508020113.GY32500@ld-irv-0074> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Brian Norris Cc: Ray Jui , linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Dmitry Torokhov , Anatol Pomazao , Corneliu Doban , Jonathan Richardson , Scott Branden , Florian Fainelli , =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= , bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w@public.gmane.org, Dan Ehrenberg , Gregory Fong , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Kevin Cernekee List-Id: devicetree@vger.kernel.org On Thursday 07 May 2015 19:01:13 Brian Norris wrote: > > Would this satisfy you? > > From: Brian Norris > Date: Tue, 5 May 2015 17:46:42 -0700 > Subject: [PATCH] mtd: brcmstb_nand: fixup endianness assumptions > > All users of this controller (MIPS or ARM) have previously used native > I/O (__raw{read,write}l()) to access registers. This is normal for the > MIPS case, where BMIPS chips often have a boot-strap that configures not > only the CPU, but also all the busing, to use a given endianness. > However, newer ARM cores support switching to big endian mode at > runtime, which would leave us with different bus and CPU endianness. For > these cases, we should use the endian-switching accessors, so we > continue to access the NAND core in little endian mode. > > Suggested by Arnd. > > Signed-off-by: Brian Norris > --- > Yes, looks good, thanks! Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html