From patchwork Tue Nov 13 09:51:39 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 996977 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="ZXjkE/5c"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 42vNFV3w3pz9sBZ for ; Tue, 13 Nov 2018 20:51:58 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731634AbeKMTtP (ORCPT ); Tue, 13 Nov 2018 14:49:15 -0500 Received: from mail-wr1-f43.google.com ([209.85.221.43]:39460 "EHLO mail-wr1-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731528AbeKMTtO (ORCPT ); Tue, 13 Nov 2018 14:49:14 -0500 Received: by mail-wr1-f43.google.com with SMTP id b13so12494891wrx.6 for ; Tue, 13 Nov 2018 01:51:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=j3IWhqTdCei0mMsvFYCXlQcZEgy5UWilcxCSoGPiDas=; b=ZXjkE/5cyyG9DtNGqtvwvsNjSv96aDnSN/OVXnHtwIGFbBDsvVCA1F6QC3LhMcdZd6 2aZ0TXGK0uDxEJkhWh5yBX69xAR8LAw2YhWxJBAypBWgbzR9Ftu9h7DjpVNFIMD+T8/e rmttRAQYe9CZww7DTLesOuUyTz3y87mWxkr5Y= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=j3IWhqTdCei0mMsvFYCXlQcZEgy5UWilcxCSoGPiDas=; b=JItijV07uNrC01i+7MHxkgAYz2hiBC2Ih7+7KgPJ2V/R0DF8KnB49VDrMP+4dtGXUL ff7/JqIdgLjWHh1sdR1r6MHk+lpToDFP3icEJyxWwTw8MsasRP9mvMZjGwJzVC8ztxbm dq/NTHTipm+Eitzf8MnPUbUqMOQhL0icOCMTrExq1mNPpznKbx0BQwpajYtAxIy6whD4 gJFWTU+nqWONLPPdVDKAVfMRRGb5YdLJuZfAvYFJdzsZ02tgnICUQhOPpkoIIoz9BPC8 dThGXU0VC6DxzHmbnTqDRIXb95eRZ4pTOHEryMelMpOmS2he6a3ywHro+o4xgHxJ2qk/ l94g== X-Gm-Message-State: AGRZ1gLPifhe7OW+2v5B30YyAYZjO7j8paqaLhGv6fXHJmQ+W69US6K9 Z5A/Jkt/xajB5XOr8j0K+CTe2Q== X-Google-Smtp-Source: AJdET5cwcdAgVV7Jhq5zTxRLS+FVbTzhwXoOKwqZIUZJj+niOpbsv7ulUfIa1ryCFzGsuv1SxRxRBw== X-Received: by 2002:a05:6000:d2:: with SMTP id q18mr4146853wrx.302.1542102715450; Tue, 13 Nov 2018 01:51:55 -0800 (PST) Received: from lmecxl0911.lme.st.com ([2a04:cec0:1088:2b4c:8cab:bca7:b2f2:d2bb]) by smtp.gmail.com with ESMTPSA id d4sm6044279wrp.89.2018.11.13.01.51.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 13 Nov 2018 01:51:54 -0800 (PST) From: Benjamin Gaignard X-Google-Original-From: Benjamin Gaignard To: linus.walleij@linaro.org, robh+dt@kernel.org, alexandre.torgue@st.com Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, Benjamin Gaignard Subject: [PATCH 0/3] make pin-controller use hwspinlock Date: Tue, 13 Nov 2018 10:51:39 +0100 Message-Id: <20181113095142.32015-1-benjamin.gaignard@st.com> X-Mailer: git-send-email 2.15.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This series allow to protect pin controller configuration registers with a hwspinlock to avoid conflicting accesses between processors. Benjamin Gaignard (3): dt-bindings: pinctrl: stm32: Document hwlocks properties pinctrl: stm32: protect configuration registers with a hwspinlock ARM: dts: stm32: Add hwlock for pinctrl .../bindings/pinctrl/st,stm32-pinctrl.txt | 1 + arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 1 + drivers/pinctrl/stm32/pinctrl-stm32.c | 71 +++++++++++++++++++++- 3 files changed, 72 insertions(+), 1 deletion(-) Acked-by: Alexandre TORGUE