From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lazybastard.de ([212.112.238.170] helo=longford.logfs.org) by bombadil.infradead.org with esmtps (Exim 4.69 #1 (Red Hat Linux)) id 1NTGml-0007ig-Pm for linux-mtd@lists.infradead.org; Fri, 08 Jan 2010 15:30:04 +0000 Date: Fri, 8 Jan 2010 16:29:45 +0100 From: =?utf-8?B?SsO2cm4=?= Engel To: Maxim Levitsky Subject: Re: [PATCH 9/9] mtd: Add new SmartMedia/xD FTL Message-ID: <20100108152945.GC31872@logfs.org> References: <1262963092.12577.14.camel@maxim-laptop> <1262963524.12577.23.camel@maxim-laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1262963524.12577.23.camel@maxim-laptop> Cc: linux-mtd , linux-kernel , Alex Dubov List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, 8 January 2010 17:12:04 +0200, Maxim Levitsky wrote: > > This implements new readwrite SmartMedia/xd FTL. > > It depends on nand driver to define proper oob layout that excludes > all ecc areas and nothing more. > > Support for very old 256 byte/page devices is not yet enabled/complete. > For these devices, all ecc handling will be done inside this FTL > due to wierd oob layout. > > Signed-off-by: Maxim Levitsky > --- > drivers/mtd/Kconfig | 12 + > drivers/mtd/Makefile | 1 + > drivers/mtd/sm_ftl.c | 1043 ++++++++++++++++++++++++++++++++++++++++++++++++++ > drivers/mtd/sm_ftl.h | 75 ++++ sm_ftl is certainly nicer than ssfdc.c - at least I can decrypt the acronym. But I am missing a reason why ssfdc is not sufficient and we need yet another implementation of the same ftl. Or maybe ssfdc is sufficient or barely sufficient and just needs a small patch? Jörn -- He that composes himself is wiser than he that composes a book. -- B. Franklin