From patchwork Mon May 4 20:22:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 11527573 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 3C8BF14C0 for ; Mon, 4 May 2020 20:24:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 21D4A20721 for ; Mon, 4 May 2020 20:24:46 +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="I4S14Mhk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728083AbgEDUYp (ORCPT ); Mon, 4 May 2020 16:24:45 -0400 Received: from mail27.static.mailgun.info ([104.130.122.27]:16376 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728021AbgEDUYn (ORCPT ); Mon, 4 May 2020 16:24:43 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1588623883; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=BLkVHANfP1T+UysucutpBK8VG9t4buVxKJsZZeHRBaw=; b=I4S14MhkmsetnSxJhxyrqw66gEltaUty0ySx+z6tP5EpFc39v1OCc7LLlq9nmqy8/1qd1N5b QrlN+XkbWWxhBdu6Flacc1zuOMPt8mgS4HWzFplFr9L96PaL6Pah6FCQ8Ifb5Z9VemqR+Kw6 M5RXfpdkLY7u0FtbUUp46454d74= X-Mailgun-Sending-Ip: 104.130.122.27 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 mxa.mailgun.org with ESMTP id 5eb07a0a.7f3fd6b3dce0-smtp-out-n03; Mon, 04 May 2020 20:24:42 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 44BFCC44791; Mon, 4 May 2020 20:24:39 +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 blr-ubuntu-87.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sibis) by smtp.codeaurora.org (Postfix) with ESMTPSA id 11FBBC433BA; Mon, 4 May 2020 20:24:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 11FBBC433BA 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=sibis@codeaurora.org From: Sibi Sankar To: viresh.kumar@linaro.org, sboyd@kernel.org, georgi.djakov@linaro.org, bjorn.andersson@linaro.org, saravanak@google.com, mka@chromium.org Cc: nm@ti.com, agross@kernel.org, david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, rjw@rjwysocki.net, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, dianders@chromium.org, vincent.guittot@linaro.org, amit.kucheria@linaro.org, ulf.hansson@linaro.org, lukasz.luba@arm.com, sudeep.holla@arm.com, Sibi Sankar Subject: [PATCH v4 07/12] OPP: Add and export helper to get icc path count Date: Tue, 5 May 2020 01:52:38 +0530 Message-Id: <20200504202243.5476-8-sibis@codeaurora.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200504202243.5476-1-sibis@codeaurora.org> References: <20200504202243.5476-1-sibis@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 Add and export 'dev_pm_opp_get_path_count' to get the icc path count associated with the device. Signed-off-by: Sibi Sankar --- drivers/opp/core.c | 20 ++++++++++++++++++++ include/linux/pm_opp.h | 6 ++++++ 2 files changed, 26 insertions(+) diff --git a/drivers/opp/core.c b/drivers/opp/core.c index f157e2d768d76..6106146a582d5 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -343,6 +343,26 @@ int dev_pm_opp_get_opp_count(struct device *dev) } EXPORT_SYMBOL_GPL(dev_pm_opp_get_opp_count); +int dev_pm_opp_get_path_count(struct device *dev) +{ + struct opp_table *opp_table; + int count; + + opp_table = _find_opp_table(dev); + if (IS_ERR(opp_table)) { + count = PTR_ERR(opp_table); + dev_dbg(dev, "%s: OPP table not found (%d)\n", + __func__, count); + return count; + } + + count = opp_table->path_count; + dev_pm_opp_put_opp_table(opp_table); + + return count; +} +EXPORT_SYMBOL_GPL(dev_pm_opp_get_path_count); + /** * dev_pm_opp_find_freq_exact() - search for an exact frequency * @dev: device for which we do this operation diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h index 87ba295080a2b..ffd075c8da0ca 100644 --- a/include/linux/pm_opp.h +++ b/include/linux/pm_opp.h @@ -101,6 +101,7 @@ unsigned int dev_pm_opp_get_level(struct dev_pm_opp *opp); bool dev_pm_opp_is_turbo(struct dev_pm_opp *opp); int dev_pm_opp_get_opp_count(struct device *dev); +int dev_pm_opp_get_path_count(struct device *dev); unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev); unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev); unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev); @@ -197,6 +198,11 @@ static inline int dev_pm_opp_get_opp_count(struct device *dev) return 0; } +static inline int dev_pm_opp_get_path_count(struct device *dev) +{ + return 0; +} + static inline unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev) { return 0;