Received: by 2002:a25:ab43:0:0:0:0:0 with SMTP id u61csp1708167ybi; Thu, 20 Jun 2019 02:22:28 -0700 (PDT) X-Google-Smtp-Source: APXvYqx2zsC0HAc0e43meq/5Saxzu0/ROn5JmBaKRRYwYXkyl35eJ5VdB/e5tlJ/PGI6drSKtSW1 X-Received: by 2002:a17:90a:aa0d:: with SMTP id k13mr1973604pjq.53.1561022548591; Thu, 20 Jun 2019 02:22:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1561022548; cv=none; d=google.com; s=arc-20160816; b=WmQ2MCeGWyWYA1m3txqf4ajRb6ItkreoIU3d1V70AhzJ4eRiZoL+3zUhRuMxnqik91 Lvo4v4wraat7Ijvz6t71swItojl/rZTBzrc3SGTJ+WBcAnq5VE9oEZGjhoqsBqp8wo2D Ux42umZprHvDmq8sePrJ1BhMwIqH5cDFRIEmTVIwfz9pCXHAVXcrHThAe9LrDHTVB3qc 9s1faPMcasFWTp5IkjSS7Rveus6Wx2pno2bzHnFD3xAT5s3a2oLRkl4BmUovUYEySy4x K7X1GOcrAN85+8V47Gq0cgXRd5vNZQfTc+9bk/M+PwilUE06FVn6F/KNPFZkWilMuOxG 5BMw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=cmRV7ZGRIBadx/FbXiqeRLmLPZ5Dqo2s/KXTvZBUz1E=; b=ZjFHrVDHtmODXcfgUHwjBeGuAZLHvW7k86bK/xEFFGAZLZLQQVH2g45335ur15iZ8E mI+PP7uZg6gojNgVMv0PhmHiLeO/kJB8sx/deFkocpl4RsAdtzB3s4qNtLNi5ORqj4Bs 7Nl+bbnzS8QB8H+aR2m/UiaXw8NtqZ8BEFbQQzSEkppqf5bYQr9C5/d9cvugsWAmrvG/ n7ZmKt21oFg4EKvNiW8ulEfM42nMIIP4OvdIpn/j1zfGeE3eh5bgpK9fo46Fu9AHDVa0 d4ZEQjTmz1JEk7/ex8e4tE71uHyV43bvPvbuA9IKWovWzS87abFI42SWcyvPP+YdaDW5 XTvg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j66si17684929plb.375.2019.06.20.02.22.11; Thu, 20 Jun 2019 02:22:28 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726371AbfFTJVT (ORCPT + 99 others); Thu, 20 Jun 2019 05:21:19 -0400 Received: from sauhun.de ([88.99.104.3]:39804 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725875AbfFTJVS (ORCPT ); Thu, 20 Jun 2019 05:21:18 -0400 Received: from localhost (p5486CFDE.dip0.t-ipconnect.de [84.134.207.222]) by pokefinder.org (Postfix) with ESMTPSA id 92CB92C376D; Thu, 20 Jun 2019 11:21:16 +0200 (CEST) Date: Thu, 20 Jun 2019 11:21:16 +0200 From: Wolfram Sang To: Steve Twiss Cc: "wsa+renesas@sang-engineering.com" , "bgolaszewski@baylibre.com" , "kieran.bingham+renesas@ideasonboard.com" , "lee.jones@linaro.org" , "linux-kernel@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" , "peda@axentia.se" , Support Opensource Subject: Re: [PATCH] mfd: da9063: occupy second I2C address, too Message-ID: <20190620092116.y7aqun6jjjn4mgow@katana> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="kqzhjyotn5nd6yyg" Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --kqzhjyotn5nd6yyg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > Is this a safety clause? What I mean is, shouldn't the hardware design make > sure there are not two devices located on the same I2C bus with the same slave > address? It is more about preventing userspace to accidently access this address, and thus the registers behind it. --kqzhjyotn5nd6yyg Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAl0LUAcACgkQFA3kzBSg KbaCzA//bSm54R7HOZhp0THghBZ7DsE1wkpsGGfyCaIROm2ZmqG1STPmpRhj9+cH gZyDJkOJKIE8LQvfsVWnAknbpE942cnbczOIzGFKRS0lQlP3uUe/maQez+PowuUM 0GQoofwDyF24w+jQX2a0QB0SwPmU+Yr1IIJb7fMvisiKo0YQ774sYSD3b+WBH5Vm +3bU+9a1i5onSsCqu5zZ8fzJRQYr1WUFkOxRf+uzeBrltDwWvfxUrVJ7u6GF2uHs 1f/ilqDdw+ngQeGLV1kF9ppHwVIFxV8vMwoGR+B3vbufPXcQgfB4Cknshb1baU/K k/2zUP6Q2gnbrWCapEQrGvh4adtqP6JGoPHV9UAj9ZH72qePER/DOJsQW9ZjN3m7 RRZb7gUoMZOhwr4CyBT4uZH4tf/CUvt08AIY9SjEX+SNRf742OZgUD1dJR5ajc29 q+yqG+9yruLb1Xsahe+k5Zz/0D4UEWZJ1wmIQVK+7Knue2sr2HZ1XTDS8EQOAUPh rrIkkNXU+r23ZubT2FeSruG93BeN2MR+COQM0XanxemGiNmx2g1eQMa6wtnPbRXn 7qg4Den2vMQOkxk6mC0YTg8kRu6AgW+Koie/F8/IZbfmgOpIBLuV8AJAPWnNHIAM RuAsOHKk8ip13B2p36wa8O2igBlTaK9d6lKwLl1AnF60y1IjOlM= =cDU8 -----END PGP SIGNATURE----- --kqzhjyotn5nd6yyg--