From patchwork Sat Oct 15 00:46:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stephen Boyd X-Patchwork-Id: 615249 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 06288C4332F for ; Sat, 15 Oct 2022 00:46:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229541AbiJOAq7 (ORCPT ); Fri, 14 Oct 2022 20:46:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229491AbiJOAq6 (ORCPT ); Fri, 14 Oct 2022 20:46:58 -0400 Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [IPv6:2607:f8b0:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32FC273310 for ; Fri, 14 Oct 2022 17:46:57 -0700 (PDT) Received: by mail-pf1-x431.google.com with SMTP id f140so6353560pfa.1 for ; Fri, 14 Oct 2022 17:46:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=R97F6tafPKuH3Wb7fiZxQjJXQ8j8fICZkLtVUZ7PMKs=; b=QLOUkKXyXKxnryU68yEhMzW1PSO+tRC1EVQ8JePXkfSzUNUQJ0RadH5pPzjAzQTFIT X+zIARW2wZiFSM0322qGBZ8JMTApMuHr87RSSBerUKjjkwMjN6cySAwNasjkY+rfRB6g FH8xHUljGnHr+qyB3oOQFLvZTK5dme12KdxQQ= 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:subject:date:message-id :reply-to; bh=R97F6tafPKuH3Wb7fiZxQjJXQ8j8fICZkLtVUZ7PMKs=; b=iInU/3fU/tS82q4APzO6eCAr08uyq9iBFJ/vZx9Dgu/uQW1k/2inOStsHUqBHsjh4y KYkeltnNsLUsQX0kct1bjwLFdznOaZZL/MURWK+6v98Rhtj9XbNfEa5/FkDEdWWfAFIU ysApRXXtwsGSDNqWPwXCFAZhhtjQm5QzLAqH8IZ6pwEAfOyKNEUh9ym+Z4jpb1pQl3Ag V1oT0JMmYeBuua/sxchMU/o4DWWZJ4ZjHnA1+vGX+xePm5Ysjt9dNNHiV+iFofkogz4V O0y56OMPJZl9C40Sdw5dF4MIIHvjWGz5Q4mUaAcvOc9jj+WTfaZ6jFWZ6MITNeD4ohCe CBbQ== X-Gm-Message-State: ACrzQf0D8SJMyQytQFSKaE+z/20k8Q/KCw+e9DQkowZH0gmJ27XSIs+f COhUmHdbNQc3125uFvXkWKeIrQ== X-Google-Smtp-Source: AMsMyM5BFZx0QDc7pR9+g4YFHVAhun5z2HILPgjazDPHaBjdjuDPXO1Gf0dWyqcBdWzhp7aXYiemcg== X-Received: by 2002:a63:1145:0:b0:46a:e00c:579c with SMTP id 5-20020a631145000000b0046ae00c579cmr479334pgr.279.1665794816651; Fri, 14 Oct 2022 17:46:56 -0700 (PDT) Received: from smtp.gmail.com ([2620:15c:9d:2:9f6e:fc87:d13f:1fa6]) by smtp.gmail.com with ESMTPSA id b4-20020a170902bd4400b0016d72804664sm2230802plx.205.2022.10.14.17.46.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Oct 2022 17:46:55 -0700 (PDT) From: Stephen Boyd To: Andy Gross , Bjorn Andersson Cc: linux-kernel@vger.kernel.org, patches@lists.linux.dev, linux-arm-msm@vger.kernel.org, Konrad Dybcio Subject: [PATCH 1/2] soc: qcom: cmd-db: Mark device as having no PM support Date: Fri, 14 Oct 2022 17:46:53 -0700 Message-Id: <20221015004654.3930122-1-swboyd@chromium.org> X-Mailer: git-send-email 2.38.0.413.g74048e4d9e-goog MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This driver purely exposes information from memory to the kernel. Let's mark it as not having any device PM functionality, so that during suspend we skip even trying to call a suspend function on this device. This clears up suspend logs more than anything else, but it also shaves a few cycles off suspend. Cc: Konrad Dybcio Signed-off-by: Stephen Boyd Reviewed-by: Konrad Dybcio --- drivers/soc/qcom/cmd-db.c | 2 ++ 1 file changed, 2 insertions(+) base-commit: 4fe89d07dcc2804c8b562f6c7896a45643d34b2f diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c index 629a7188b576..33856abd560c 100644 --- a/drivers/soc/qcom/cmd-db.c +++ b/drivers/soc/qcom/cmd-db.c @@ -338,6 +338,8 @@ static int cmd_db_dev_probe(struct platform_device *pdev) debugfs_create_file("cmd-db", 0400, NULL, NULL, &cmd_db_debugfs_ops); + device_set_pm_not_required(&pdev->dev); + return 0; }