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=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 0B296ECE58C for ; Fri, 11 Oct 2019 14:44:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D935F206A1 for ; Fri, 11 Oct 2019 14:44:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570805088; bh=b0TeRaA2Z1L1IRbscM7IdWaz2G4DgR2SWsjbqEMhuQg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=wcce+OezaVGZUEw+EP8pm9Pf2O8FryWskBkBOqnGZMwxn4FtxIp2M7NxJsQoaMYbZ vFD/B+zhoda7dNjjAmm/ert3LbzRar3PH+A/9a39UfYlZ3tY9wO/gZp2GSONgngFwX 5sB4JnmzUVS8748PT+QZ/HTZjI8TqUArttBzz2MQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728093AbfJKOor (ORCPT ); Fri, 11 Oct 2019 10:44:47 -0400 Received: from mail-ot1-f65.google.com ([209.85.210.65]:39979 "EHLO mail-ot1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726671AbfJKOor (ORCPT ); Fri, 11 Oct 2019 10:44:47 -0400 Received: by mail-ot1-f65.google.com with SMTP id y39so8161885ota.7; Fri, 11 Oct 2019 07:44:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=phJrdsvrMRbz/mV66eCzb3QAhHr1D1SaioSI8xCNhC8=; b=aBdi3g4gEJu75zGI0cr+jmI38y+U8zShmU8Dyh6SMtJdAu1zDtrJZq6A25cKnAfPFY uc/WX5LQwV9GCOlGxbAsib0DF2sPJ029/O2StwAMXts6Y4wEEbL11AfsLQevV2zEMKI8 qw9yy+vYosLBy9SPZByJgfwwJXs/wXzw2w/uFMl6mxUA6FKlS6yWspjD9bpPdKpH8Msy 5dsuGWU6QhpjESFh+XG9ehc6p/aoxfPIX1FYghdifb9NEAb3hMfJ6xHhciiKEpZTvNOk UbTKSn1a/BuN43nwX2EIk0vueBZpVy+bKqMEfmMJCZFBeZ6dtx2zFfbvTuQ0KMxf8zSW e20g== X-Gm-Message-State: APjAAAWedcmz2H1gbutwuy7rPcpkOs9iCYjKMi/7RA+H1fmkJYk3yRsK 2YwMiTKBUPqhUi/OPNlNvTLiO7k= X-Google-Smtp-Source: APXvYqxkYBd0e9PRpOsG2+jeAtb9kPih7R7dN+N+CZabl/97Cin9YxLSpFF7SMhUpOReyysHSoilmQ== X-Received: by 2002:a05:6830:11cc:: with SMTP id v12mr12320371otq.362.1570805086355; Fri, 11 Oct 2019 07:44:46 -0700 (PDT) Received: from localhost (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id y30sm2787225oix.36.2019.10.11.07.44.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Oct 2019 07:44:45 -0700 (PDT) Date: Fri, 11 Oct 2019 09:44:45 -0500 From: Rob Herring To: Biwen Li Cc: peda@axentia.se, leoyang.li@nxp.com, mark.rutland@arm.com, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [v2,2/2] dt-bindings: i2c-mux-pca954x: Add optional property i2c-mux-never-disable Message-ID: <20191011144445.GA2340@bogus> References: <20190930032503.44425-1-biwen.li@nxp.com> <20190930032503.44425-2-biwen.li@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190930032503.44425-2-biwen.li@nxp.com> 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 On Mon, Sep 30, 2019 at 11:25:03AM +0800, Biwen Li wrote: > The patch adds an optional property i2c-mux-never-disable > > Signed-off-by: Biwen Li > --- > Change in v2: > - update documentation > > Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt > index 30ac6a60f041..71b73d0fdb62 100644 > --- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt > +++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt > @@ -34,6 +34,7 @@ Optional Properties: > - first cell is the pin number > - second cell is used to specify flags. > See also Documentation/devicetree/bindings/interrupt-controller/interrupts.txt > + - i2c-mux-never-disable: always forces mux to be enabled. Either needs to have a vendor prefix or be documented as a common property. IIRC, we already have a property for mux default state which seems like that would cover this unless you need to leave it in different states. Rob