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_PASS,USER_AGENT_MUTT autolearn=ham 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 0A251C282CE for ; Mon, 8 Apr 2019 06:38:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C108F20833 for ; Mon, 8 Apr 2019 06:38:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554705490; bh=3z3ZPW2g+wK6WT0Koy9mDAabdhEnX6dwek4U3LoLbM0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=FFBj4fYvPVxNhqVZVs7Yxft7PWSGmyahez1QlUMmSsS4TgmiXdvadHXggpWfhYZ/U Vh8xR/CgRM08nvLDWpm3o+0e8cm3/ilMnOMY/mQe/hpPAKFJ0U6kQ6FX48R7y8T53x PVxqbqEFFAG6TKkr6UmwqRtBhKBYM8vKxtLd64ag= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726606AbfDHGiJ (ORCPT ); Mon, 8 Apr 2019 02:38:09 -0400 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:37324 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725953AbfDHGiG (ORCPT ); Mon, 8 Apr 2019 02:38:06 -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=3z3ZPW2g+wK6WT0Koy9mDAabdhEnX6dwek4U3LoLbM0=; b=K23RPJd1eoL3kcpcG1TecpZvG vHhLwIIowzEzi6KZIoK/G9dqYM9ub8gJRbPdAoVvTxg0pFoJaYsCU2sGc8STeVb7uW25hBjZL+sD5 vLWQ4R6l+qp6dWgzsOjmJCfZAUJhMgz37ZTPq8KaMf6PgqcS+LSMUaLCCyamVGes91NcY=; Received: from [8.46.76.46] (helo=finisterre.ee.mobilebroadband) by heliosphere.sirena.org.uk with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hDNuq-0003ei-EH; Mon, 08 Apr 2019 06:38:01 +0000 Received: by finisterre.ee.mobilebroadband (Postfix, from userid 1000) id A9B33441D3F; Mon, 8 Apr 2019 13:27:12 +0700 (+07) Date: Mon, 8 Apr 2019 13:27:12 +0700 From: Mark Brown To: Sowjanya Komatineni Cc: thierry.reding@gmail.com, jonathanh@nvidia.com, talho@nvidia.com, robh+dt@kernel.org, mark.rutland@arm.com, kyarlagadda@nvidia.com, ldewangan@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH V2 10/20] Documentation: devicetree: spi: add spi-lsbyte-first propery Message-ID: <20190408062712.GI2803@sirena.org.uk> References: <1554423259-26056-1-git-send-email-skomatineni@nvidia.com> <1554423259-26056-10-git-send-email-skomatineni@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="rCb8EA+9TsBVtA92" Content-Disposition: inline In-Reply-To: <1554423259-26056-10-git-send-email-skomatineni@nvidia.com> X-Cookie: Shah, shah! Ayatollah you so! 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 --rCb8EA+9TsBVtA92 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Apr 04, 2019 at 05:14:09PM -0700, Sowjanya Komatineni wrote: > spi-lsbyte-first optional property allows SPI slaves to choose byte > order of little endian for transfers. Why make this a DT property - surely it's either a fixed property of the relevant devices if they are LSB first (in which case we should know we can use it from the device) or it's something that the driver for the device can just vary at runtime? --rCb8EA+9TsBVtA92 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAlyq6b8ACgkQJNaLcl1U h9CIKggAg+pGXgMOqakZ8c/g8PSsF9z9x/vbR2jo4tv/AmNxenu+gDCF78d4wBgB a/2l8JORQi+knOxzUq0O7HhN8sR+lz7W45qVrc5jNLSAFPVRPSaBu9o3jxkHh5Sd WlI4mX7d18KbnoGgJlXSU7j2FXmVrYQQgco6u259vht9zFqQCxLqUd8Gv2RwzLFL 3fiUpsU3BBp7EOE3YlMijX6Jqw76cpwmhmQP9joGwGnsUZexvBTkPen8+GSHqEtK jBHKF0PSCcHGyvdVGJsd5g92ga3oIPrs0DaW4z/+yXTRKNkkZJTz9rX4rkHnU5ku UmftTb8lLZibuRH4x8YdJsgLx5KvqA== =Wt2d -----END PGP SIGNATURE----- --rCb8EA+9TsBVtA92--