From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UBMkJ-00060h-I1 for linux-mtd@lists.infradead.org; Fri, 01 Mar 2013 09:59:20 +0000 Date: Fri, 1 Mar 2013 10:59:14 +0100 From: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= To: Matthieu CASTET Subject: Re: [PATCH] mtd/nand: don't use {read,write}_buf for 8-bit transfers Message-ID: <20130301095914.GK22886@pengutronix.de> References: <1361977852-18233-1-git-send-email-u.kleine-koenig@pengutronix.de> <512EC54F.3090400@freescale.com> <513072F5.6010609@parrot.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <513072F5.6010609@parrot.com> Cc: Huang Shijie , "linux-mtd@lists.infradead.org" , David Woodhouse , Artem Bityutskiy List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Mar 01, 2013 at 10:20:53AM +0100, Matthieu CASTET wrote: > Huang Shijie a écrit : > > 于 2013年02月27日 23:10, Uwe Kleine-König 写道: > >> According to the Open NAND Flash Interface Specification (ONFI) Revision > >> 3.1 "Parameters are always transferred on the lower 8-bits of the data > >> bus." for the Get Features and Set Features commands. > >> > > yes. the set/get features should works in 8-bit. > > > > I have never met a 16-bit onfi nand yet. :) > > Beagle board got one. Which part does it have? Would you volunteer to test access to its OTP area? (Provided you have a Micron chip of course.) Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |