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=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,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 B2B87C43331 for ; Tue, 31 Mar 2020 18:47:41 +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 6C9FA2072E for ; Tue, 31 Mar 2020 18:47:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="BXswvBOU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6C9FA2072E 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=k29jbMhuCJc2cm/wStkwNYtFM1F4Qd1bvZKD5U3sUuM=; b=BXswvBOUW/DKM0 UkCuxDj380d6cF9WffKeIQmIBSiO47GTXVYYhJiIBMYcY9icD1lk3ockIEkSOTgDCJMnKr9CZUymD n9VNvbSOVromTGKrK/hmlp5ARJIKopOEmfpB3AoDNYpg1/yVuZxpNv9ddeXJqMfA+xQYOH8E9jQcR hgI9KZGP51tZdGK+n8b8CEc/HyAMjPGKSTm0/JLESqw+QSlcr8BCE0d4YGdYjpYXOWq7sbCl/PBKM +Z/r2KTh7Efnh0RSfKi9kXkxjZhU1Hnz1iCNWae8oCkr23lZZL1c+PJZYcGULb72pY4H4F84dcF+9 LzheYZADjIkmaqZFqrbQ==; 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 1jJLv5-0005hF-62; Tue, 31 Mar 2020 18:47:27 +0000 Received: from bhuna.collabora.co.uk ([46.235.227.227]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jJLv1-0005Ud-By; Tue, 31 Mar 2020 18:47:24 +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 09D86291976; Tue, 31 Mar 2020 19:47:20 +0100 (BST) Date: Tue, 31 Mar 2020 20:47:16 +0200 From: Boris Brezillon To: Weijie Gao Subject: Re: [PATCH 1/2] mtd: rawnand: add driver support for MT7621 nand flash controller Message-ID: <20200331204716.52f611db@collabora.com> In-Reply-To: <1585678079-5999-1-git-send-email-weijie.gao@mediatek.com> References: <1585678079-5999-1-git-send-email-weijie.gao@mediatek.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-20200331_114723_547722_038EE867 X-CRM114-Status: GOOD ( 10.94 ) 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: Mark Rutland , devicetree@vger.kernel.org, Anders Roxell , Vignesh Raghavendra , Arnd Bergmann , Boris Brezillon , Richard Weinberger , Brendan Higgins , linux-kernel@vger.kernel.org, Frieder Schrempf , linux-mips@vger.kernel.org, Greg Kroah-Hartman , Rob Herring , linux-mediatek@lists.infradead.org, Miquel Raynal , Matthias Brugger , linux-mtd@lists.infradead.org, Mason Yang , Piotr Sroka 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 Wed, 1 Apr 2020 02:07:58 +0800 Weijie Gao wrote: > This patch adds NAND flash controller driver for MediaTek MT7621 SoC. > > The NAND flash controller is similar with controllers described in > mtk_nand.c, except that the controller from MT7621 doesn't support DMA > transmission, and some registers' offset and fields are different. > Please don't duplicate driver the driver for those minor differences: use regmap/reg_field to abstract reg field positions and make the DMA optional. ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/