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 45495EB64DB for ; Thu, 15 Jun 2023 17:39:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230093AbjFORi7 (ORCPT ); Thu, 15 Jun 2023 13:38:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48736 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229649AbjFORi6 (ORCPT ); Thu, 15 Jun 2023 13:38:58 -0400 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 00FF01BDB; Thu, 15 Jun 2023 10:38:56 -0700 (PDT) Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 35FG4DjV001861; Thu, 15 Jun 2023 19:38:40 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=selector1; bh=WVSwhybmAV6yFwYl/ec10wt/7sRPE+inDDJ2qyzeYXc=; b=nsI0QSd5WUAwiTuWEhNhY8uAWQ/fKWLBh7qIDb3yv2fUCkhUko0Cc1q/3Ib/NA+LwXvO +65mzkcEfl0JaRrk7LYcL1MKdWf5X0bk4ju1E22mKB7lTIhZ01Kg/v2+faPmP3ekdRAP M2a34y53SdwJvXpY5jTlgqbvZulEDJ7HiToGkO6exBIpGSAJMbsJw8gB5Faop6bs7GdP uY78p/WmJbWIlpbItsT9JWY4kg0XPAlaRKNefoR7NXvGtUTmw6HgWOLM40Nps0cgk9cH iCGUi6Gh7wopoK1OPHgxvKIxigxWS8s2B+dq8a2RhcbDmlaezqYd9H7a3vv47NbfPvnN Cw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3r82fy9sm2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 15 Jun 2023 19:38:40 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 95AE110002A; Thu, 15 Jun 2023 19:38:38 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node1.st.com [10.75.129.69]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 7DDAF245525; Thu, 15 Jun 2023 19:38:38 +0200 (CEST) Received: from [10.252.8.64] (10.252.8.64) by SHFDAG1NODE1.st.com (10.75.129.69) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Thu, 15 Jun 2023 19:38:37 +0200 Message-ID: Date: Thu, 15 Jun 2023 19:38:36 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH v3 3/4] dt-bindings: spi: stm32: disable spi-slave property for stm32f4-f7 Content-Language: en-US To: Krzysztof Kozlowski , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Torgue , Alain Volmat CC: , , , , References: <20230615075815.310261-1-valentin.caron@foss.st.com> <20230615075815.310261-4-valentin.caron@foss.st.com> <479bf05e-342d-f94b-87f3-4cc0a95fb01a@linaro.org> From: Valentin CARON In-Reply-To: <479bf05e-342d-f94b-87f3-4cc0a95fb01a@linaro.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.252.8.64] X-ClientProxiedBy: SHFCAS1NODE2.st.com (10.75.129.73) To SHFDAG1NODE1.st.com (10.75.129.69) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-06-15_13,2023-06-15_01,2023-05-22_02 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Krzysztof, On 6/15/23 15:36, Krzysztof Kozlowski wrote: > On 15/06/2023 09:58, Valentin Caron wrote: >> From: Alain Volmat >> >> STM32F4 and STM32F7 can't switch to spi device mode. >> Forbid this property with compatible "st,stm32f4-spi". > Just to clarify - driver cannot switch or hardware does not support it? Driver can't support it right now but hardware can. > Please use subject prefixes matching the subsystem. You can get them for > example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory > your patch is touching. (spi: dt-bindings:) Sorry, I missed that. > Best regards, > Krzysztof Regards, Valentin