From patchwork Sun Jul 24 12:24:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bhupesh Sharma X-Patchwork-Id: 12927524 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 BE37CC433EF for ; Sun, 24 Jul 2022 12:25:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234670AbiGXMZS (ORCPT ); Sun, 24 Jul 2022 08:25:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40570 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234038AbiGXMY7 (ORCPT ); Sun, 24 Jul 2022 08:24:59 -0400 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0F0818344 for ; Sun, 24 Jul 2022 05:24:55 -0700 (PDT) Received: by mail-pl1-x62d.google.com with SMTP id k16so8126783pls.8 for ; Sun, 24 Jul 2022 05:24:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=139SGHEUeM2aejnfQkWBOsWtu/AlzldGV/6Rxr/OVqQ=; b=Rck6hZeQJcCVdN98Q/BXR/RPDTY17uN8lQXphU17j7nsJX4HEQUw6qRHCDNu2nE8cy 0c4i94UTYgtOaZCJNYvETWSIEI9aTAWgoxNX9nPwwjlk67BXJVXyDUteDhSzc53ufoES 5HIdV3OHGNEEMPjB+vCCAbKrabrCTmjYoB7se8OfOaMBV7rZQCwZ8Fly15ZMRew/P2vl M5N5zkX6Gw/nx+yNsf6enQFr3F97YYKftOQC9EQMPmZFfA0wpMSETMrjxcgWFG+jEysV srUzQqq67HzdIvd9aPP9ZmV9PEitb+5kBBqMMJW4sao6Yf5J/KSowlVfdHXv2vEy1L+O Zd3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=139SGHEUeM2aejnfQkWBOsWtu/AlzldGV/6Rxr/OVqQ=; b=F6CF/OwMZtBbLRv2iRBIByB/wq/sQq2agHKoRrnliMtkUQDm8hxqfBW/X1onYA4xSw INkXSE/zP1ipqc7FHIhvJE2Hdf5dDiau5qrznmw09DHOn02v9tvKiUp07SISIOCyYYC5 f2wY0vk572xNCloY4720F7sYqf/jdLN1yvsQWlkIe10zzvPt5AgvY9lRWxdHTG1xaSSF pzWrSz9Gx4/IwYq0o3TqKKzpCv9fy7i0To3E7HXuruCCW5oIU4ha78hZdx9xYgwcZcLS VcOYsX1TEdWboier6vK/2cnHhCHnQg5N0oUyG2Swq1h6hvmQXhPSg4D2PUmgSLfGs+Lw h0gA== X-Gm-Message-State: AJIora9E5cXPpxb33EVKAOWicNiAhO/ANZshJ/xrhvvQjDH/lqWX+PPG SI475CjCvrUGeaJK1E/5RVE9cNzPz3lUBA== X-Google-Smtp-Source: AGRyM1vLVdU42vU5ntfcZhh5BW+Q6etxX3Wuk7EEylfDOeb4Vng+8HSL26YkBARIQUfBxg2d9rnpsA== X-Received: by 2002:a17:902:da92:b0:16c:4f7b:8703 with SMTP id j18-20020a170902da9200b0016c4f7b8703mr7946675plx.75.1658665495077; Sun, 24 Jul 2022 05:24:55 -0700 (PDT) Received: from localhost.localdomain ([2401:4900:1f3a:5a45:a9cd:d7dd:fd01:73c0]) by smtp.gmail.com with ESMTPSA id p23-20020a1709027ed700b0016c0474fbd0sm7048133plb.34.2022.07.24.05.24.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Jul 2022 05:24:54 -0700 (PDT) From: Bhupesh Sharma To: linux-pm@vger.kernel.org Cc: bhupesh.sharma@linaro.org, bhupesh.linux@gmail.com, linux-kernel@vger.kernel.org, bjorn.andersson@linaro.org, konrad.dybcio@somainline.org, linux-arm-msm@vger.kernel.org, daniel.lezcano@linaro.org, robh+dt@kernel.org, rafael@kernel.org, Amit Kucheria , Thara Gopinath Subject: [PATCH v2 5/5] thermal: qcom: tsens: Add reinit quirk support for sm6375 controller Date: Sun, 24 Jul 2022 17:54:24 +0530 Message-Id: <20220724122424.2509021-6-bhupesh.sharma@linaro.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220724122424.2509021-1-bhupesh.sharma@linaro.org> References: <20220724122424.2509021-1-bhupesh.sharma@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org tsens controller(s) on Qualcomm sm6375 SoC might start in an unknown state or start with TSENS_EN indicating a 'disabled' state when they enter linux world. In such cases, it is useful to try and reinit them via trustzone [via scm call(s)], at the very start. Add hooks for the same in the qcom tsens driver. Cc: Bjorn Andersson Cc: Amit Kucheria Cc: Thara Gopinath Cc: linux-pm@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org Signed-off-by: Bhupesh Sharma --- drivers/thermal/qcom/tsens.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index 928b6a44fda8..0141ea43c290 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -1083,6 +1083,16 @@ int __init init_common(struct tsens_priv *priv) if (tsens_version(priv) >= VER_0_1) tsens_enable_irq(priv); + /* + * For some tsens controllers, which start in + * an unknown state or start with TSENS_EN indicating + * a 'disabled' state, its useful to try and reinit + * them via trustzone, at the very start. + */ + if (priv->needs_reinit_wa && + (of_device_is_compatible(dev->of_node, "qcom,sm6375-tsens"))) + __tsens_reinit_worker(priv); + tsens_debug_init(op); err_put_device: @@ -1145,6 +1155,9 @@ static const struct of_device_id tsens_table[] = { }, { .compatible = "qcom,msm8996-tsens", .data = &data_8996, + }, { + .compatible = "qcom,sm6375-tsens", + .data = &data_tsens_v2_reinit, }, { .compatible = "qcom,sm8150-tsens", .data = &data_tsens_v2_reinit,