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 F03C9CA0ED9 for ; Mon, 11 Sep 2023 21:27:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242638AbjIKVSX (ORCPT ); Mon, 11 Sep 2023 17:18:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236489AbjIKKnP (ORCPT ); Mon, 11 Sep 2023 06:43:15 -0400 Received: from mail-ej1-x62e.google.com (mail-ej1-x62e.google.com [IPv6:2a00:1450:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BC39E6 for ; Mon, 11 Sep 2023 03:43:10 -0700 (PDT) Received: by mail-ej1-x62e.google.com with SMTP id a640c23a62f3a-9a9d6b98845so1033789766b.0 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=XTxs0h6lutdevqZBZg82fo2LEyPXPNarSMLf2BxLTmB36y1QGiI4eon8IrdYTHKLde WLK0In+88xhl0A6ayZ3OpdoDMT9F8PiDYJ7v9OP9tb/phvA0MKsYIHJ4nneH3QCmxqLS aDXbNSrANEj1viWMZL8yGVKhn/090XKptX0nQvGjgxz5Y6rk5EU+9uHBsfG+4VtUxTrR jwwErE+iXGeQEe84MjAWlqBRwTePhbS/hmrURyGjQ6Mgb2WHQW9fer4gAhhuY2VEdcy/ wpRQyBTWh4wqmCY57JT/jwNaRhc19nLWLudeTPh+lO7719TQcUImLS741DJljNQssdfk quHw== X-Gm-Message-State: AOJu0YwRFh8iCDJJnCOlUSwoAVzjSgueDFWbmwQ2QOzAEuiWjMRP8t07 JkFDBdEVQQ9iDdj0RIAdrCQz1g== 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-i2c@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