From patchwork Tue Feb 18 18:12:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Kucheria X-Patchwork-Id: 212816 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 054C8C34026 for ; Tue, 18 Feb 2020 18:12:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CBEED2464E for ; Tue, 18 Feb 2020 18:12:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="iFWBs0Fk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726510AbgBRSMU (ORCPT ); Tue, 18 Feb 2020 13:12:20 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:37225 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726239AbgBRSMT (ORCPT ); Tue, 18 Feb 2020 13:12:19 -0500 Received: by mail-pg1-f195.google.com with SMTP id z12so11350690pgl.4 for ; Tue, 18 Feb 2020 10:12:19 -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:mime-version :content-transfer-encoding; bh=aEx06awt80jAiN38AZX49qL25dVM9rqZAP00JoKZ/1Y=; b=iFWBs0FkEI2gFTZEtmapEPIfUk/1BHgR6/8C7cy9tCyQgZnwEidoCOaGe2BbCywP7Y dCSNeFzuHQdAG0Ypm7IeiqPu3kdhsHEtatvB/GX3yZcG5Ij7r1lUNhBN8eFDdl+LY2ul 7y5gFsa7IhVoIuMKWESajf4rAv8FQv1zmkt4Vv/GI6QEVenkNfcYTrV3th7ZWENgUaQM iwFH35NRw+tPRKU1FdZxaLQmzL+nyYUVLYutUHuwmzbxC0bH2jh8Yt/RMisg9OzE3+Jq qrRH5M+/6tUcmxeEA/M++hK75kN5uvuHJL0eDwfpqIBbcrv/+ugDjZAI1mQKZnvwzcok EPJQ== 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:mime-version :content-transfer-encoding; bh=aEx06awt80jAiN38AZX49qL25dVM9rqZAP00JoKZ/1Y=; b=qXUJk/GjL1qyERcJXmdyuyoxfzWfk0A/xxFAxMXNSXKeo7wi7w1KhVpzZGJWcQjwbG i0W8shwpg8jU4yIcQ/ZmBNtwfJxmup2fObhad5XkJcgReNSpUf6/7ANygYuD49Cor6GG rBn/FyCivOlER+wiOLcCVxxoLM9I6+NhA5nDhcnN6xURSf+Rae6zeurIvBCdQt32AQzw MXN7iv8Pb622syzD413GjB6+n40Ekfuqr7xTjoc3S8XROTSh35ld+Nk3fKgv/2rhew1v L1bN4z/0BTpB80xQcBDN4wdyDzTGabvp2IPzi4XQ/bpzqLsu8F8yt5uLk73j+E2iarm2 ysnQ== X-Gm-Message-State: APjAAAWs29rotPBUYEzeEO+oDpwlcCkcOYMkkJaSCfdq8ymy8sKihUjG Lt3WamOgFOU1yDENj7aVcKqbJw== X-Google-Smtp-Source: APXvYqzRi7O6oL6zesAkbVlSiq+VLIsiK6/GEYjK1IYW1nzcmRnPUB0H7UmdmroY+zhRwI0RtOQx7w== X-Received: by 2002:a63:5345:: with SMTP id t5mr23708373pgl.254.1582049538893; Tue, 18 Feb 2020 10:12:18 -0800 (PST) Received: from localhost ([103.195.202.120]) by smtp.gmail.com with ESMTPSA id d14sm5071557pfq.117.2020.02.18.10.12.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Feb 2020 10:12:17 -0800 (PST) From: Amit Kucheria To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, daniel.lezcano@linaro.org, bjorn.andersson@linaro.org, swboyd@chromium.org, sivaa@codeaurora.org, Andy Gross Cc: Amit Kucheria , linux-pm@vger.kernel.org Subject: [PATCH v5 0/8] thermal: tsens: Handle critical interrupts Date: Tue, 18 Feb 2020 23:42:04 +0530 Message-Id: X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org TSENS IP v2.x supports critical interrupts and v2.3+ adds watchdog support in case the FSM is stuck. Enable support in the driver. This series was generated on top of v5.6-rc2. Changes from v4: - Add back patch 1 from v3[*], I mistakenly didn't post it for v4. - Remove spinlock from critical interrupt handling - Change critical interrupt handler to fall thru watchdog bark handling to handle critical interrupts too [*] https://lore.kernel.org/linux-arm-msm/77dd80eb58f0db29a03097cb442d606f810a849a.1577976221.git.amit.kucheria@linaro.org/ Changes from v3: - Remove the DTS changes that are already queued - Fix review comments by Bjorn - Fixup patch description to clarify that we don't use TSENS critical interrupts in Linux, but need it for the watchdog support that uses the same HW irq line. - Separate kernel-doc fixes into a separate patch. Changes from v2: - Handle old DTBs w/o critical irq in the same way as fix sent for 5.5 Changes from v1: - Make tsens_features non-const to allow run time detection of features - Pass tsens_sensor around as a const - Fix a bug to release dev pointer in success path - Address review comments from Bjorn and Stephen (thanks for the review) - Add msm8998 and msm8996 DTSI changes for critical interrupts Amit Kucheria (8): drivers: thermal: tsens: De-constify struct tsens_features drivers: thermal: tsens: Pass around struct tsens_sensor as a constant drivers: thermal: tsens: use simpler variables drivers: thermal: tsens: Release device in success path drivers: thermal: tsens: Add critical interrupt support drivers: thermal: tsens: Add watchdog support drivers: thermal: tsens: kernel-doc fixup drivers: thermal: tsens: Remove unnecessary irq flag drivers/thermal/qcom/tsens-8960.c | 4 +- drivers/thermal/qcom/tsens-common.c | 185 ++++++++++++++++++++++++---- drivers/thermal/qcom/tsens-v0_1.c | 6 +- drivers/thermal/qcom/tsens-v1.c | 6 +- drivers/thermal/qcom/tsens-v2.c | 24 +++- drivers/thermal/qcom/tsens.c | 26 +++- drivers/thermal/qcom/tsens.h | 103 ++++++++++++++-- 7 files changed, 307 insertions(+), 47 deletions(-)