From patchwork Thu Sep 3 19:21:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Tipton X-Patchwork-Id: 11754593 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 602D9109A for ; Thu, 3 Sep 2020 19:22:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 400E820FC3 for ; Thu, 3 Sep 2020 19:22:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="C5U2m5w/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729175AbgICTWT (ORCPT ); Thu, 3 Sep 2020 15:22:19 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:48757 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729201AbgICTWP (ORCPT ); Thu, 3 Sep 2020 15:22:15 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1599160934; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=buByExxU324rJaH/QAV4fD/s5fMCpT+XE8+kHh2nz8o=; b=C5U2m5w/8f+6/kpnCEqjrHTzxSlHddQGSvuj13uyZRccjSrZghmMDnaaFhC9E6/pPM2FWJoe p14+/XKw2JkYbHg/fywu4Tp5T/SJAb1+wg9ALMZF4q1cygE1VJ7Vjtl+2xpj7CxTlJHL4gZY Ma5gC7dWMryQMehfaayPoRvniK8= X-Mailgun-Sending-Ip: 104.130.122.29 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n04.prod.us-east-1.postgun.com with SMTP id 5f514265238e1efa37885d6e (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 03 Sep 2020 19:22:13 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 3B9ECC433A1; Thu, 3 Sep 2020 19:22:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mdtipton-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: mdtipton) by smtp.codeaurora.org (Postfix) with ESMTPSA id 6CE2BC433CB; Thu, 3 Sep 2020 19:22:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6CE2BC433CB Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=mdtipton@codeaurora.org From: Mike Tipton To: georgi.djakov@linaro.org Cc: bjorn.andersson@linaro.org, agross@kernel.org, linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Mike Tipton Subject: [PATCH v4 5/6] interconnect: qcom: Only wait for completion in AMC/WAKE by default Date: Thu, 3 Sep 2020 12:21:48 -0700 Message-Id: <20200903192149.30385-6-mdtipton@codeaurora.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20200903192149.30385-1-mdtipton@codeaurora.org> References: <20200903192149.30385-1-mdtipton@codeaurora.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Change the default TCS wait behavior to only wait for completion in AMC and WAKE. Waiting isn't necessary in the SLEEP TCS, since votes are only being removed in this case. Resources can be safely disabled asynchronously in parallel with the rest of the power collapse sequence. This reduces the sleep entry latency. Signed-off-by: Mike Tipton --- drivers/interconnect/qcom/bcm-voter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/interconnect/qcom/bcm-voter.c b/drivers/interconnect/qcom/bcm-voter.c index f7db2b900599..d58b08f1f495 100644 --- a/drivers/interconnect/qcom/bcm-voter.c +++ b/drivers/interconnect/qcom/bcm-voter.c @@ -352,7 +352,7 @@ static int qcom_icc_bcm_voter_probe(struct platform_device *pdev) voter->np = np; if (of_property_read_u32(np, "qcom,tcs-wait", &voter->tcs_wait)) - voter->tcs_wait = QCOM_ICC_TAG_ALWAYS; + voter->tcs_wait = QCOM_ICC_TAG_ACTIVE_ONLY; mutex_init(&voter->lock); INIT_LIST_HEAD(&voter->commit_list);