From patchwork Sat Aug 1 03:32:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Tipton X-Patchwork-Id: 11695673 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 71B1913B6 for ; Sat, 1 Aug 2020 03:32:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 58C602087C for ; Sat, 1 Aug 2020 03:32:53 +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="WFJ4kBPO" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728551AbgHADcn (ORCPT ); Fri, 31 Jul 2020 23:32:43 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:38813 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728480AbgHADcm (ORCPT ); Fri, 31 Jul 2020 23:32:42 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1596252762; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=gcqQzQVXCs7enCe/CsT0vSZrIaJ9bCn32XECqcM0XFI=; b=WFJ4kBPOd3ppAQDFGqTiAVdcs8SCesaD8fkpaBzJ9UIQ/y2Eemu4WcYZkNTMpGj762eyPka3 UAacIdNp6jobA7YAEuxSLBPmjfsh4dsFzY0kMzNWoYDZhM7yZmiQ4Ad141Tdk4EFPkgLMqi0 R4HSfdbhTIfX6+wYioMs8VBWBL8= 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-n20.prod.us-west-2.postgun.com with SMTP id 5f24e24beb556d49a60e44eb (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Sat, 01 Aug 2020 03:32:27 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 07BC5C433CB; Sat, 1 Aug 2020 03:32:27 +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 433BFC433C6; Sat, 1 Aug 2020 03:32:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 433BFC433C6 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 v3 4/6] interconnect: qcom: Only wait for completion in AMC/WAKE by default Date: Fri, 31 Jul 2020 20:32:13 -0700 Message-Id: <20200801033215.1440-5-mdtipton@codeaurora.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20200801033215.1440-1-mdtipton@codeaurora.org> References: <20200801033215.1440-1-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 4bba3b42b648..d95725b9208c 100644 --- a/drivers/interconnect/qcom/bcm-voter.c +++ b/drivers/interconnect/qcom/bcm-voter.c @@ -341,7 +341,7 @@ 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);