From patchwork Thu Aug 4 05:46:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bhupesh Sharma X-Patchwork-Id: 12936098 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 9E57CC00144 for ; Thu, 4 Aug 2022 05:47:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238852AbiHDFq7 (ORCPT ); Thu, 4 Aug 2022 01:46:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45622 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238589AbiHDFq4 (ORCPT ); Thu, 4 Aug 2022 01:46:56 -0400 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2EA6F5F984 for ; Wed, 3 Aug 2022 22:46:51 -0700 (PDT) Received: by mail-pl1-x62a.google.com with SMTP id x23so9753997pll.7 for ; Wed, 03 Aug 2022 22:46:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc; bh=zOu2PZnulUDHwvn/36naMjhNNhFcuItCNTLmTBuVNws=; b=iPPQdk+0soH3e21ZXJS3c2MpcNGCyaZNfC5bOV9pNVCDE+999II6qu9eMuNU4RAhcM L2spZ4GLPXBmLzn+CGaXoHYc78/X8TA5+AXZZynBJ03O8ecOqdamSohHD8BynWIW+Lb8 pUMamgtE0MY/RkQP15y+et6Y09IQsKaA9AttKGr2CwWWYJRUJi6KnsFDCyffnwnYIZPF JYBr7i4JAZ+QiWVRxIr6LK0xKeLtbgv/CfZZoGzA/L0MF0UBTxCb0Gqbj+rGXxGsPfDg C+wD4GxBZ9pZSpq9uLAM3CIXWoABzrYXnrFGV9/JFZcrbJLNdIOWKiuHUfsMmU0NYcWS KybQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc; bh=zOu2PZnulUDHwvn/36naMjhNNhFcuItCNTLmTBuVNws=; b=rEktZKBaAdZOm5rE0S9vzY6XtCRbb4/UklOdpvGuYeawdCCbE1CUz8cs5vfPnF+amH jjt0ETzqEQc0JMboliDaasb8WJXJDHPpFWx0TbMntp6NxBxE8AkvzagmXzp87oEC90Uw 9OSRhseWK1cLnT+iHC9Sy/18mVLIMRBHAQSaKr6/y12hiLI/lkEILqjSWOaPgWkA3s3w NMvYcRkrFhPXZNQqa8pelK/W8IP5vvotsOFvt3CbUT+C2r0k3VgS0eQ7U1jNSQ9hOQ4w NEkEi1gdU40zs+6nv/2DYrmYnm6Za2TaJWP5VmJ5uTy1KLKIuuxXpWkgv6FFz1sOiZ7x LaGg== X-Gm-Message-State: ACgBeo0AtblOoYb9dcrftphSn1G4JpvQNmIu5B63UHD7/mSbLlqf0bRG S14yNW0JfSd92JCWznD+JbSKkTBuy2lZOw== X-Google-Smtp-Source: AA6agR550/nQT2itwZL3twabTlLGdnUsWpNaElnagN7UPumzS2JuTU/cEyTdU0ERLazKtaxvGXSBzg== X-Received: by 2002:a17:902:7049:b0:16c:b1f4:e00e with SMTP id h9-20020a170902704900b0016cb1f4e00emr308434plt.113.1659592010367; Wed, 03 Aug 2022 22:46:50 -0700 (PDT) Received: from localhost.localdomain ([2401:4900:1c5e:ddbf:1bd6:4443:9e5b:2aa2]) by smtp.gmail.com with ESMTPSA id q25-20020aa78439000000b0052dcd14e3desm5375636pfn.183.2022.08.03.22.46.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Aug 2022 22:46:49 -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 v3 0/4] Add support for tsens controller reinit via trustzone Date: Thu, 4 Aug 2022 11:16:34 +0530 Message-Id: <20220804054638.3197294-1-bhupesh.sharma@linaro.org> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Changes since v2: ----------------- - v2 can be viewed here: https://lore.kernel.org/linux-arm-msm/20220724122424.2509021-1-bhupesh.sharma@linaro.org/ - Dropped sm6375 specific patch from v3, as suggested by Konrad. - Rebased on latest linux-next (master branch) tip. Changes since v1: ----------------- - v1 can be viewed here: https://lore.kernel.org/linux-arm-msm/20220701145815.2037993-1-bhupesh.sharma@linaro.org/ - Addressed several comments from Bjorn regarding locking, serialization etc received on v1. - Addressed Konrad's concerns about the tsens controller found on sm6375 SoC which seems to start in a bad state or is disabled when entering the linux world. - This series would depend on sm6375 tsens controller changes being added by Konrad. It is based on linux-next (master branch) tip. Some versions of Qualcomm tsens controller might enter a 'bad state' causing sensor temperatures/interrupts status to be in an 'invalid' state. It is recommended to re-initialize the tsens controller via trustzone (secure registers) using scm call(s) when that happens. This patchset adds the support for the same. Cc: bjorn.andersson@linaro.org Cc: Amit Kucheria Cc: Thara Gopinath Cc: linux-pm@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org Bhupesh Sharma (4): firmware: qcom: scm: Add support for tsens reinit workaround thermal: qcom: tsens: Add hooks for supplying platform specific reinit quirks thermal: qcom: tsens: Add driver support for re-initialization quirk thermal: qcom: tsens: Add reinit quirk support for tsens v2 controllers drivers/firmware/qcom_scm.c | 15 +++ drivers/firmware/qcom_scm.h | 4 + drivers/thermal/qcom/tsens-v2.c | 15 +++ drivers/thermal/qcom/tsens.c | 200 ++++++++++++++++++++++++++++++++ drivers/thermal/qcom/tsens.h | 18 ++- include/linux/qcom_scm.h | 2 + 6 files changed, 253 insertions(+), 1 deletion(-)