From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail2.shareable.org ([80.68.89.115]) by bombadil.infradead.org with esmtps (Exim 4.68 #1 (Red Hat Linux)) id 1K38Cv-0004gl-Hn for linux-mtd@lists.infradead.org; Mon, 02 Jun 2008 11:28:09 +0000 Date: Mon, 2 Jun 2008 12:28:07 +0100 From: Jamie Lokier To: =?iso-8859-1?Q?J=F6rn?= Engel Subject: Re: [RFC/PATCH 2/3] NAND multiple plane feature Message-ID: <20080602112807.GA728@shareable.org> References: <20080601174841.GH13094@logfs.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20080601174841.GH13094@logfs.org> Cc: dwmw2@infradead.org, tglx@linutronix.de, linux-mtd@lists.infradead.org, Alexey Korolev , vasiliy.leonenko@gmail.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Jörn Engel wrote: > But hoping for manufacturers to get it right rarely works - it certainly > didn't work in this case. As it seems, we can either program two planes > in a weird lock-step process or ignore the feature. And the lock-step > variant isn't useful for much more than doubling/quadrupling the > erasesize and writesize. With all the disadvantages that brings. :( Did you see if the dual plane feature at least allows erasing the next block while writing the current one, so you can do continuous streaming log writes without big pauses? -- Jamie