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[2620:137:e000::1:20]) by mx.google.com with ESMTP id nn5-20020a17090b38c500b0020da8f11bb3si7801404pjb.14.2022.10.14.17.52.17; Fri, 14 Oct 2022 17:52:32 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=QLOUkKXy; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229616AbiJOAq7 (ORCPT + 99 others); Fri, 14 Oct 2022 20:46:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54200 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229577AbiJOAq6 (ORCPT ); Fri, 14 Oct 2022 20:46:58 -0400 Received: from mail-pg1-x52b.google.com (mail-pg1-x52b.google.com [IPv6:2607:f8b0:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3311E733F9 for ; Fri, 14 Oct 2022 17:46:57 -0700 (PDT) Received: by mail-pg1-x52b.google.com with SMTP id r18so5670182pgr.12 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=FNMallB0J07ihgL8LF7y+L525Wa2RKbwGw2dGVahZm9Lx1VTjIgVWTeZfWlBEs+ReZ 6Gbv+ZeNxcQO0ocjPsTfT/JfgEY7RTF9GA+BQ1IKIvjKKuXtQHZA+T3OI3nqvYYt4kPc 61Xl5cxEs7pHEueMpNwC2THjelUJPRSuwGlGOGO8THeLLlHE6hXqtjixCUSfJPlWDNu1 5z4pxqb3UOpgniMuEG265Em1O90jGR0azri/zxo1OIe9MyovfLgW1K8PwSncOICJIuCS DACBT4B5SQph7xHA5Z+UHI2Yzdrm+kJfsM2fthZRWJ5YXidpc0dL/3gXyBWTFP7BiFcZ JgVA== X-Gm-Message-State: ACrzQf1/1puId9L5W6qNz++D+GqsdegVgs1YM5zTUHF2IdL2Eg5tS+BO U3tYdesB66Ut4XyGIrJIdoStTQ== 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 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1746712818197913983?= X-GMAIL-MSGID: =?utf-8?q?1746712818197913983?= 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; }