From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-out.m-online.net ([212.18.0.10]) by bombadil.infradead.org with esmtp (Exim 4.69 #1 (Red Hat Linux)) id 1NaERK-0004HI-K8 for linux-mtd@lists.infradead.org; Wed, 27 Jan 2010 20:24:43 +0000 To: Grant Likely From: Wolfgang Denk Subject: Re: [PATCH 3/8 v2] mtd: Add MPC5121 NAND Flash Controller driver MIME-Version: 1.0 Content-type: text/plain; charset=ISO-8859-1 Content-transfer-encoding: 8bit In-reply-to: References: <1264594052-20317-1-git-send-email-agust@denx.de> <1264594052-20317-4-git-send-email-agust@denx.de> Date: Wed, 27 Jan 2010 21:24:27 +0100 Message-Id: <20100127202427.D311CD334C9@gemini.denx.de> Cc: John Rigby , Piotr Ziecik , dzu@denx.de, linuxppc-dev@ozlabs.org, linux-mtd@lists.infradead.org, Anatolij Gustschin List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Dear Grant Likely, In message you wrote: > > > + if (rev != 2) { > > + dev_err(dev, "SoC revision %u is not supported!\n", rev); > > + return -ENXIO; > > + } > > *Only* revision 2? Are future revisions of silicon assumed to be broken then? I vote for keeping it this way - if you look at the diffferences between revision 1 and 2, or at differences between MPC5121/3 and MPC5125, it is more than likely that revision 3, should it ever come out, will be incompatible and require driver changes. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de Landru! Guide us! -- A Beta 3-oid, "The Return of the Archons", stardate 3157.4