From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2C29A1772E for ; Wed, 7 Jun 2023 17:46:44 +0000 (UTC) Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 35E131FF3 for ; Wed, 7 Jun 2023 10:46:39 -0700 (PDT) Received: by mail-ej1-x62f.google.com with SMTP id a640c23a62f3a-977e7d6945aso589041866b.2 for ; Wed, 07 Jun 2023 10:46:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1686159997; x=1688751997; 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=IS4yO5/WmR+TVZNJffAGCPAsefusOsebYnq87EbR9d8=; b=PzyTuOtkeykTZ0E9oHoGoDsQ/p2Qa0UFZSSLm8W8vbcUh8U9lSgtO8y+UiTDleWhVd IC4emAy2C+or6ZDf5bIl5qXYFSSDMX9ag9oEClJbOap2JZLS3NHFtSjkYm6/zkBQc+uG pZJTUpiaMI7amxHQftTnaXbyaBCM4S1hIukTXP7XbEzajd6DNlcfQDVgRnP3P38tkKGg gzkbrDweJUUFvbTvnJvqlUfafu1M/feCxMzQLnLgbVf1s6jg8WgSo6ZRpmvYg+OByjt8 7HekrhEqYX35nwdDI1p7WI1qKvWyRKHZ8NKQF3bpxA6SVImIm0MAJ8Ja4jK2YhuMOZ+M tsEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686159997; x=1688751997; 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=IS4yO5/WmR+TVZNJffAGCPAsefusOsebYnq87EbR9d8=; b=EoR4OGzbmVCncUKzUSuFbdjFdednW7ZiqRv0xijfYh683LL2LlUFNnQq6UI2lhfcYG 0YnsMSlI7NaC+ILW5D7s0VjQThufbIr42m0CBR2YGFiJR6CvLmi7/PMZQHoshvkdR4Tn McP+IHsjl7H5iT7HFYNLFuT+zsQwO/4f2yRnuIuQiR5W5W9mibrMFj+aZpasocAYXZZA cw5UC/f3SLslGAjyyRPEdX3DJdx4i3v/CwlsQalNoi63bJEZ34e/MDV2UobjkmB9zetr YGfXS4nKOhkxW5YsUXUoAYLb3TT7dsWOYAKWw7PqfTcOr02Zlo7EQN4aWViEThCyAUrb a4tg== X-Gm-Message-State: AC+VfDxmIpt3VbeETtL+vW0qBh/N6feF5rOj5q1uJcdiiraj35z9mJ20 6VCft4Hgxvqm2SU+tXzOC5lcdKkieir/tjuXI9c= X-Google-Smtp-Source: ACHHUZ6vACvk/Fp/owXZGI5nFgVQVKJgETLwe7WJ0NqCxrx8BOmb1qgAg2jht151GmXiO55T0EdEeg== X-Received: by 2002:a17:907:1622:b0:968:2b4a:aba3 with SMTP id hb34-20020a170907162200b009682b4aaba3mr6198186ejc.5.1686159997582; Wed, 07 Jun 2023 10:46:37 -0700 (PDT) Received: from [192.168.1.20] ([178.197.219.26]) by smtp.gmail.com with ESMTPSA id v1-20020a1709060b4100b0096f6647b5e8sm7141037ejg.64.2023.06.07.10.46.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 07 Jun 2023 10:46:37 -0700 (PDT) Message-ID: <84508d22-2dcd-c49f-2424-37a717a49e1b@linaro.org> Date: Wed, 7 Jun 2023 19:46:35 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 Subject: Re: [PATCH RFC net 2/2] nfc: nxp-nci: Fix i2c read on ThinkPad hardware Content-Language: en-US To: Marco Giorgi , netdev@vger.kernel.org Cc: u.kleine-koenig@pengutronix.de, davem@davemloft.net, michael@walle.cc, kuba@kernel.org, linux-kernel@vger.kernel.org References: <20230607170009.9458-1-giorgi.marco.96@disroot.org> <20230607170009.9458-3-giorgi.marco.96@disroot.org> From: Krzysztof Kozlowski In-Reply-To: <20230607170009.9458-3-giorgi.marco.96@disroot.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On 07/06/2023 19:00, Marco Giorgi wrote: > Read IRQ GPIO value and exit from IRQ if the device is not ready. Why? What problem are you solving? Why IRQ GPIO - whatever it is - means device is not ready for I2C transfer? > > Signed-off-by: Marco Giorgi > --- > drivers/nfc/nxp-nci/i2c.c | 13 +++++++++++++ > 1 file changed, 13 insertions(+) Best regards, Krzysztof