From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751462AbdFELZO (ORCPT ); Mon, 5 Jun 2017 07:25:14 -0400 Received: from mail-wm0-f41.google.com ([74.125.82.41]:38013 "EHLO mail-wm0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751290AbdFELZN (ORCPT ); Mon, 5 Jun 2017 07:25:13 -0400 Date: Mon, 5 Jun 2017 13:25:08 +0200 From: Pali =?utf-8?B?Um9ow6Fy?= To: Richard Weinberger Cc: David Woodhouse , Brian Norris , Boris Brezillon , Marek Vasut , Artem Bityutskiy , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/5] mtd: block2mtd: Add support for specifying MTD write size and subpage shift Message-ID: <20170605112508.GF14675@pali> References: <1496418222-23483-1-git-send-email-pali.rohar@gmail.com> <1496418222-23483-3-git-send-email-pali.rohar@gmail.com> <20170605112145.GE14675@pali> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday 05 June 2017 13:23:22 Richard Weinberger wrote: > Pali, > > Am 05.06.2017 um 13:21 schrieb Pali Rohár: > > On Friday 02 June 2017 18:13:02 Richard Weinberger wrote: > >> Pali, > >> > >> Am 02.06.2017 um 17:43 schrieb Pali Rohár: > >>> It is needed for creating emulated devices suitable for using in UBI layer > >>> and with UBIFS. > >> > >> Why? > > > > ubifs depends on write size of nand. And without those parameters as > > specified in cover letter I'm unable to mount N900 rootfs image exported > > via block2mtd. ubifs reject such image. > > Hmm, so you render block2mtd into a semi-NAND chip? :) Probably you can call it like that. But it is still MTD device... -- Pali Rohár pali.rohar@gmail.com