From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 589F4C433E0 for ; Sun, 24 May 2020 15:05:34 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2CFE7206D5 for ; Sun, 24 May 2020 15:05:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="IifyqsC/" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2CFE7206D5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=itVFEa7GiEjnocWY1vJ2E6AWKoyM0Q5/CXCV/Ckcbec=; b=IifyqsC/Lipv8n 5nKyhS/PZi5wpD7H6iUGv5IjSczG6PP9DW1rm/0LPuFyUMn9j0xLa8WPCiROORMLOTgN7NG931roQ KpmYNqM8dFi3R7Eaq/BqNVUEfQlmuDMTJhaRXSQMqWznzOZEpqQ7wyHmGpIE2kgX/gK5PHBusAG2R TR+LgZlsvfTMl+epZ2K0Y6e6txP4794o2LPeh7l0wQeroQI8LaXvtaMeZDv605CsT4ixeZgu886ci zHVoVg4+FL7yQds5fNKsXYzwguG47HHgKXALOOjtu2YL3HK0NscgYmU/nXotmpCzFuzyFF4jdMfb3 WUdC3zCEoVlQ0TWCVOrg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jcsBr-000165-CJ; Sun, 24 May 2020 15:05:27 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jcsBo-00015g-SC for linux-mtd@lists.infradead.org; Sun, 24 May 2020 15:05:26 +0000 Received: from localhost (unknown [IPv6:2a01:e0a:2c:6930:5cf4:84a1:2763:fe0d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: bbrezillon) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 21B92260990; Sun, 24 May 2020 16:05:23 +0100 (BST) Date: Sun, 24 May 2020 17:05:20 +0200 From: Boris Brezillon To: Lubomir Rintel Subject: Re: [PATCH v2 00/19] mtd: rawnand: cafe: Convert to exec_op() (and more) Message-ID: <20200524170520.21f06e7f@collabora.com> In-Reply-To: <20200524165530.2fb38d0c@collabora.com> References: <20200513191038.49a4fdf3@collabora.com> <20200515144703.GA1245784@furthur.local> <20200515192540.GB1245784@furthur.local> <20200516145650.GA1433661@furthur.local> <20200516210857.2b579ae4@collabora.com> <20200516221837.6559944c@collabora.com> <20200517164709.GA1651421@furthur.local> <20200518165024.4122351d@collabora.com> <20200520072331.GJ1695525@furthur.local> <20200520095511.73cfb7ee@collabora.com> <20200524115246.GC2781@furthur.local> <20200524165530.2fb38d0c@collabora.com> Organization: Collabora X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200524_080525_039447_8EC6253F X-CRM114-Status: UNSURE ( 8.99 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Weinberger , Tudor Ambarus , linux-mtd@lists.infradead.org, Vignesh Raghavendra , Miquel Raynal Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On Sun, 24 May 2020 16:55:30 +0200 Boris Brezillon wrote: > Have you tried doing the same with a regular read > (CMD+DATA_IN(NO_DMA))? IOW, what do you get when you do: > > > # busybox devmem 0xfe020018 32 0x1 > # busybox devmem 0xfe020040 32 0x0 > # busybox devmem 0xfe020004 32 0x0 > # busybox devmem 0xfe020000 32 0x84080000 I meant # busybox devmem 0xfe020000 32 0x84080070 > # busybox devmem 0xfe021000 > > or > > # busybox devmem 0xfe020018 32 0x4 > # busybox devmem 0xfe020040 32 0x0 > # busybox devmem 0xfe020004 32 0x0 > # busybox devmem 0xfe020000 32 0x84080000 and # busybox devmem 0xfe020000 32 0x84080070 > # busybox devmem 0xfe021000 > > (you can even try with more data to see if that makes a difference). ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/