From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from dell-paw-3.cambridge.redhat.com ([195.224.55.237] helo=passion.cambridge.redhat.com) by pentafluge.infradead.org with esmtp (Exim 3.22 #1 (Red Hat Linux)) id 17KJhX-0004hu-00 for ; Tue, 18 Jun 2002 15:11:19 +0100 From: David Woodhouse In-Reply-To: References: To: joakim.tjernlund@lumentis.se Cc: linux-mtd@lists.infradead.org Subject: Re: point()/unpoint() questions + small cfi_cmdset_0001.c patch Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Tue, 18 Jun 2002 15:11:18 +0100 Message-ID: <5984.1024409478@redhat.com> Sender: linux-mtd-admin@lists.infradead.org Errors-To: linux-mtd-admin@lists.infradead.org List-Help: List-Post: List-Subscribe: , List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: joakim.tjernlund@lumentis.se said: > Is this on your board with burst reads working? Are you using a cached > mapping for point()? > Yes x 2 As discussed on IRC -- perhaps we want to investigate using prefetch() then. > After a quick read I think it's NOT possible to read data without > suspending an Erase first. Yeah - it looks that way to me too. XIP on a writable file system really does seem like a silly plan, given current flash technology. -- dwmw2