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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 9609AC49ED7 for ; Mon, 16 Sep 2019 11:33:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 65ADB2067B for ; Mon, 16 Sep 2019 11:33:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1568633585; bh=iIxyuJS4c3gyZmZiUv4TsXw80oSRQ4M0ioO9sQnza1A=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=NBaJxzZj3YQpgWigEbmgrSRA7axB2rp7cZAi+LYoq1kTfsUQIURRRYIooYGUkHHJi lqM5nljtVsEV3jgxj9q8fegyDmzNmHwlR8a+sfpIsaeZlU5jdgKE4IA14g4xmxBysg 39l/bC8o/0TXlb4R1dldyOrL/9CnPYrkAVlLuk28= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731904AbfIPLdE (ORCPT ); Mon, 16 Sep 2019 07:33:04 -0400 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:33854 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731391AbfIPLdE (ORCPT ); Mon, 16 Sep 2019 07:33:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=LxUk3ICU2QigVita2oqwjs0LsOQGEVQfpyN1oIo5cfA=; b=o/oGuFto71ZIld6CAbgo0xzC1 3B8+qdsW+z/1cxXlVoCuQ/e+mFtw3oAUQz6hLAwBFuUXkdz9EcLby3gvE68N4QZM0rMZLBgpwHbH+ zDxPxn/po3nrncJNtz+KnNMakNnjqxnrou1uzNUoih5GHju7clajutJ02EawNInj/Px+k=; Received: from ypsilon.sirena.org.uk ([2001:470:1f1d:6b5::7]) by heliosphere.sirena.org.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1i9pFY-00041W-Mk; Mon, 16 Sep 2019 11:32:56 +0000 Received: by ypsilon.sirena.org.uk (Postfix, from userid 1000) id CCCAD2741A23; Mon, 16 Sep 2019 12:32:55 +0100 (BST) Date: Mon, 16 Sep 2019 12:32:55 +0100 From: Mark Brown To: "Ramuthevar,Vadivel MuruganX" Cc: robh+dt@kernel.org, mark.rutland@arm.com, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, cheol.yong.kim@intel.com, qi-ming.wu@intel.com Subject: Re: [PATCH v1 2/2] spi: cadence-qspi: Add QSPI support for Intel LGM SoC Message-ID: <20190916113255.GA4352@sirena.co.uk> References: <20190916073843.39618-1-vadivel.muruganx.ramuthevar@linux.intel.com> <20190916073843.39618-3-vadivel.muruganx.ramuthevar@linux.intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="GlsaLUDw2IYctviq" Content-Disposition: inline In-Reply-To: <20190916073843.39618-3-vadivel.muruganx.ramuthevar@linux.intel.com> X-Cookie: Man and wife make one fool. User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --GlsaLUDw2IYctviq Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Sep 16, 2019 at 03:38:43PM +0800, Ramuthevar,Vadivel MuruganX wrote: > Existing cadence drivers do not support SPI-NAND, it only supports to > SPI-NOR and SPI devices. To state that is the driver for the same IP > but due to different SPI flash memory(NAND) need to write from scratch. What makes you say you need to write a separate driver? It's perfectly possible to support the normal and flash I/O mechanisms in a single driver and as well as the maintainence issues obviously someone could build a system with both flash and non-flash devices on the same SPI controller. --GlsaLUDw2IYctviq Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl1/cuYACgkQJNaLcl1U h9BZEgf6A7cU/9Mcguk8zxT6d8uwEkFrWUSeIxR2aztdTbp5LhL6rUcO3xLsgkCU dZ4JAbLPoGgs259OdM22+ZBgdzs5V8Bkz26IQCdOgkGfM3I4EzUjVbDuxyLS4DBx MjkIMJESszbMzK5OpYQZHnPFixsF3h0KPqysktr58CeUPzfGAXVaIuVsmT0lSfHq DaDjUL2Zn7j8rgpA2/EM1sMyPiF1qTav07LBJ8ih7Z92W14/mO9TlWypJdfsB2dX aIpIemsrom83swwKBsCXHRU8sB6cbz35Sx3Mx0Z3lM6dhALcHdRE4xCiWwGIbpNT EEb1sXnWRIKgHh0uV8e/AoiT5S4bjg== =kev6 -----END PGP SIGNATURE----- --GlsaLUDw2IYctviq--