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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22860CA0ECB for ; Mon, 11 Sep 2023 21:30:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347252AbjIKVYf (ORCPT ); Mon, 11 Sep 2023 17:24:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49134 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236485AbjIKKnP (ORCPT ); Mon, 11 Sep 2023 06:43:15 -0400 Received: from mail-ed1-x536.google.com (mail-ed1-x536.google.com [IPv6:2a00:1450:4864:20::536]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7CACAE9 for ; Mon, 11 Sep 2023 03:43:10 -0700 (PDT) Received: by mail-ed1-x536.google.com with SMTP id 4fb4d7f45d1cf-51e28cac164so11503937a12.1 for ; Mon, 11 Sep 2023 03:43:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1694428989; x=1695033789; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=z3vNimPLrW0+Wt4d4zmRK6dCpwuFIDXGyYmvgD/P0mg=; b=ShaTxsmbnLgZb006PqNLiJNQoPVyQsTwmk1CnWRq1Yqg2B+QEgGMhyxLGNJwe3iUf2 wEOTQ569E2qKGZJZStC1TWjWYo3NmHVL9pW/aO7yyjIUeF74njW6yFdzvyKC6L3Bjc0e dfyIWNGOt+e40I5WVwot6ndq5vKHrdgm0PbgJI66Y2YYr7XJTHx6ueC2IFUjaZUe5rZo 3t1gEfSZ4uKUVDhro6W1UcAjS2PVfsY/qdqkzd0atMEdfo/ZuSvCBT6FCUsFXNbcAIle D0qxyuj17CB636MmMUvXvABn/Kw+H4QgBL+BnJ4LjbAe3tjRL0yLTfpPBCTWy5tyteKO 8Xxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694428989; x=1695033789; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=z3vNimPLrW0+Wt4d4zmRK6dCpwuFIDXGyYmvgD/P0mg=; b=aZaqXKDOYKVjdfeCRRJMqs2rzwro5ebuVvO2mUbo1LyHpu6164jIHs5F0Sp/LFAQ1N Ced7j4fVBsbEBaCT7MyP0YDx4hxsh9r9hNoekATx7DxuziHOZggonIfIPun2Wi2b2Cjo /9MH0B+zyj6Lkx3G5+BYndyyDhFnGGBLIkBhLOVtexg5HspFWb6A1Uw+3hGUJg27TjYd 0KC6Hvs2lv3Ncu8Tyy4c5Y82DdotLkBAE7zaAUrQvNi2etov3PutAIMjC3UHiC7Zom+N TICWOjHPtEL7uv4vcy2/CvoqGadI/eXvX+dwXx5WuIxMsLmvqmXTxkwVueutwuYjubJi pcYQ== X-Gm-Message-State: AOJu0YxrJ3YiklJkjTnUNoZMqG7Lrv5FuldUGmAuMZMKlH9hJFFkXuR/ +magO9EltUwB6Yxji+6mU83NXA== X-Google-Smtp-Source: AGHT+IE1IiOpuiGM75LroUXB50Fm5b0BfgDj9z7ZW0gOUkHfhlOnEPVXkKutwD4RuzyvVaxJTwIXGg== X-Received: by 2002:a17:907:3f0b:b0:9a5:c2c0:1d0f with SMTP id hq11-20020a1709073f0b00b009a5c2c01d0fmr18437515ejc.12.1694428988898; Mon, 11 Sep 2023 03:43:08 -0700 (PDT) Received: from [192.168.1.20] ([178.197.214.188]) by smtp.gmail.com with ESMTPSA id re1-20020a170906d8c100b00993a37aebc5sm5096157ejb.50.2023.09.11.03.43.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 11 Sep 2023 03:43:08 -0700 (PDT) Message-ID: Date: Mon, 11 Sep 2023 12:43:06 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Subject: Re: [PATCH v2 1/2] dt-bindings: i2c: Add custom properties for MAX7357/MAX7358 Content-Language: en-US To: Naresh Solanki Cc: Peter Rosin , Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Laurent Pinchart , Patrick Rudolph , linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20230831101513.2042773-1-Naresh.Solanki@9elements.com> <0b7cb454-4c31-569c-7609-7931e6fb798a@linaro.org> From: Krzysztof Kozlowski In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/09/2023 12:31, Naresh Solanki wrote: >>> diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml >>> index 2d7bb998b0e9..fa73eadfdf7b 100644 >>> --- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml >>> +++ b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml >>> @@ -71,6 +71,23 @@ properties: >>> description: A voltage regulator supplying power to the chip. On PCA9846 >>> the regulator supplies power to VDD2 (core logic) and optionally to VDD1. >>> >>> + maxim,isolate-stuck-channel: >>> + type: boolean >>> + description: Allows to use non faulty channels while a stuck channel is >>> + isolated from the upstream bus. If not set all channels are isolated from >>> + the upstream bus until the fault is cleared. >> >> Nothing improved here. As I said, please provide arguments or drop this >> property. > These features cannot be enabled by default because doing so may lead > to unexpected behavior, such as bus disconnections(although that > wasn't expected). > These features should only be enabled after they have been validated > by the board designer. > Therefore, they cannot be enabled by default. And what is needed to validate them for given board? IOW, what changes in hardware design that it can or cannot be used? Best regards, Krzysztof