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,URIBL_BLOCKED, 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 9E54EC282CD for ; Mon, 28 Jan 2019 11:48:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6AB3E21738 for ; Mon, 28 Jan 2019 11:48:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548676086; bh=RJ4iS+/RD5lcAZnjscbeJwQx/qZwY6ENY+ianG5wXNw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=c66ZKISMjczl+Gmjds1WOei/HeEWvsbbhzYfUgA2SYZvHOgrBgXs6g9i8q5vv5iEd p6YheAygCstrWwTEb1XCZ9xTXs22bzpM7jNopp6aKdscLL+3MfQ4TI8w+2gwHXbv9W BdHw/QXwWXAhMPpvi7tnO13UZy8qEkjncVBlSskA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726913AbfA1LsE (ORCPT ); Mon, 28 Jan 2019 06:48:04 -0500 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:46806 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726611AbfA1LsD (ORCPT ); Mon, 28 Jan 2019 06:48:03 -0500 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=XrHAbjQnJG++tg7jANcRVkmvnvK4hCi8ctkr9ui294U=; b=P+ic8FIDYqQ5k11ZCV0tpDS+K qmpAz3hoA4pQDIcMcXn5l/1nw3snHwlsOsdMdG/h6SC+oTQpaSc2uXwkjRASTlkO45eoEY9XGtBEx Sl2tItQMWeoWYD9y3g231zgUyOo7GPWtG5zrmgwVmnE66fMVCr0Qj5JLe+bYUeyvzBcxU=; Received: from cpc102320-sgyl38-2-0-cust46.18-2.cable.virginm.net ([82.37.168.47] helo=debutante.sirena.org.uk) by heliosphere.sirena.org.uk with esmtpa (Exim 4.89) (envelope-from ) id 1go5OQ-0002OT-5V; Mon, 28 Jan 2019 11:47:58 +0000 Received: by debutante.sirena.org.uk (Postfix, from userid 1000) id 8529D1127D29; Mon, 28 Jan 2019 11:47:57 +0000 (GMT) Date: Mon, 28 Jan 2019 11:47:57 +0000 From: Mark Brown To: Geert Uytterhoeven Cc: Jonas Bonn , Baolin Wang , LKML , linux-spi , Rob Herring , Mark Rutland , DTML Subject: Re: [PATCH 1/2] spi: support inter-word delay requirement for devices Message-ID: <20190128114757.GA11699@sirena.org.uk> References: <20190125114429.20066-1-jonas@norrbonn.se> <20190125114429.20066-2-jonas@norrbonn.se> <20190125174713.GA6939@sirena.org.uk> <20190125175031.GA25898@sirena.org.uk> <84d6c40f-62bb-fd00-0dcb-d2f390b136c1@norrbonn.se> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="PNTmBPCT7hxwcZjr" Content-Disposition: inline In-Reply-To: X-Cookie: I think we're in trouble. 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 --PNTmBPCT7hxwcZjr Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Jan 28, 2019 at 08:41:05AM +0100, Geert Uytterhoeven wrote: > On Sat, Jan 26, 2019 at 4:40 PM Jonas Bonn wrote: > > spi-3wire: again, only set by MAXIM DS-1302 which always needs this > > setting; driver could set this > For DS1302, this is probable true. > Some devices may support both 4-wire or 3-wire mode? IIRC yes. > > Yeah, that one make sense. But if the DT is only overriding the maximum > > device frequency that the driver should otherwise be setting, why is > > spi-max-frequency a _required_ property? > That's a good question. Legacy? It's a documentation error. --PNTmBPCT7hxwcZjr Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAlxO6+wACgkQJNaLcl1U h9AOgwf+IkdFBShqKG2xdlfJ5VF8oSqgYM0JOZyBmGJJrw4Uv4l/Ov5QffmAICt3 J8VIcm0Z9wr9iTi7bWCra8BPMGiqLM7Tx/aPErD2CtnuAVialMEwLVNejnFu9NnV Dwd3HPacCIx/QXZdfZwiMTJvRZdRyn/0WFT7TUWuUklm6g6fq4aye60aq9w/wQRd nbU1b/nwRl3m6+y0Y6i/grTCw5ZtVvrlgczav6EP1/yc1utZQ0tBXj95DXs6MJoQ K8VBky1Kza8/lLaoOECEf+98MNbVFxKyJttu6nC0uwxqbvBCV1RMFfCDtnHMQxqY OiLKZ8HXn9XlrCQrmsugXESuWcGxKQ== =KFrc -----END PGP SIGNATURE----- --PNTmBPCT7hxwcZjr--