From patchwork Mon Sep 6 08:23:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 12476619 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5868EC433FE for ; Mon, 6 Sep 2021 08:26:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4862660F43 for ; Mon, 6 Sep 2021 08:26:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241198AbhIFI1L (ORCPT ); Mon, 6 Sep 2021 04:27:11 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:24549 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241139AbhIFI0y (ORCPT ); Mon, 6 Sep 2021 04:26:54 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1630916749; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=qWdtiuQaXk82w5N2JZ2PfOPgpUvS+qUehdZ4q/V8xxw=; b=kASl+weJnBwPGQHX8i3XeKzM1dRod81F/etkX1eEnhyC16I4dhChRRhqW22knBIeAfU2e1sn PHvOAwWqF9jhRqPlUmQ4TmVUHrjvgNe73HkkIrU3tJpimWrzUHgaow6K9PFpsm1HSxwQXbOB YqQ7bbDLQqtJNWXO/xCaLkL489c= X-Mailgun-Sending-Ip: 198.61.254.9 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-n07.prod.us-west-2.postgun.com with SMTP id 6135d06a40d2129ac10c08e6 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 06 Sep 2021 08:25:14 GMT Sender: sibis=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 9139BC43163; Mon, 6 Sep 2021 08:25:13 +0000 (UTC) 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 4ACE0C43618; Mon, 6 Sep 2021 08:25:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 smtp.codeaurora.org 4ACE0C43618 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=fail smtp.mailfrom=codeaurora.org From: Sibi Sankar To: mka@chromium.org, swboyd@chromium.org, bjorn.andersson@linaro.org, robh+dt@kernel.org Cc: ulf.hansson@linaro.org, rjw@rjwysocki.net, agross@kernel.org, ohad@wizery.com, mathieu.poirier@linaro.org, linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dianders@chromium.org, rishabhb@codeaurora.org, sidgup@codeaurora.org, Sibi Sankar Subject: [PATCH v6 11/13] soc: qcom: aoss: Drop power domain support Date: Mon, 6 Sep 2021 13:53:55 +0530 Message-Id: <1630916637-4278-12-git-send-email-sibis@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1630916637-4278-1-git-send-email-sibis@codeaurora.org> References: <1630916637-4278-1-git-send-email-sibis@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Strip out the load state power-domain support from the driver since the low power mode signalling for the co-processors is now accessible through the direct qmp message send interface. Signed-off-by: Sibi Sankar Reviewed-by: Matthias Kaehlcke Reviewed-by: Stephen Boyd --- drivers/soc/qcom/qcom_aoss.c | 107 ------------------------------------------- 1 file changed, 107 deletions(-) diff --git a/drivers/soc/qcom/qcom_aoss.c b/drivers/soc/qcom/qcom_aoss.c index 9fb74aa7c9ab..d650012ca19c 100644 --- a/drivers/soc/qcom/qcom_aoss.c +++ b/drivers/soc/qcom/qcom_aoss.c @@ -2,7 +2,6 @@ /* * Copyright (c) 2019, Linaro Ltd */ -#include #include #include #include @@ -11,7 +10,6 @@ #include #include #include -#include #include #include #include @@ -67,7 +65,6 @@ struct qmp_cooling_device { * @event: wait_queue for synchronization with the IRQ * @tx_lock: provides synchronization between multiple callers of qmp_send() * @qdss_clk: QDSS clock hw struct - * @pd_data: genpd data * @cooling_devs: thermal cooling devices */ struct qmp { @@ -85,18 +82,10 @@ struct qmp { struct mutex tx_lock; struct clk_hw qdss_clk; - struct genpd_onecell_data pd_data; struct qmp_cooling_device *cooling_devs; struct dentry *debugfs_file; }; -struct qmp_pd { - struct qmp *qmp; - struct generic_pm_domain pd; -}; - -#define to_qmp_pd_resource(res) container_of(res, struct qmp_pd, pd) - static void qmp_kick(struct qmp *qmp) { mbox_send_message(qmp->mbox_chan, NULL); @@ -322,95 +311,6 @@ static void qmp_qdss_clk_remove(struct qmp *qmp) clk_hw_unregister(&qmp->qdss_clk); } -static int qmp_pd_power_toggle(struct qmp_pd *res, bool enable) -{ - char buf[QMP_MSG_LEN] = {}; - - snprintf(buf, sizeof(buf), - "{class: image, res: load_state, name: %s, val: %s}", - res->pd.name, enable ? "on" : "off"); - return qmp_send(res->qmp, buf, sizeof(buf)); -} - -static int qmp_pd_power_on(struct generic_pm_domain *domain) -{ - return qmp_pd_power_toggle(to_qmp_pd_resource(domain), true); -} - -static int qmp_pd_power_off(struct generic_pm_domain *domain) -{ - return qmp_pd_power_toggle(to_qmp_pd_resource(domain), false); -} - -static const char * const sdm845_resources[] = { - [AOSS_QMP_LS_CDSP] = "cdsp", - [AOSS_QMP_LS_LPASS] = "adsp", - [AOSS_QMP_LS_MODEM] = "modem", - [AOSS_QMP_LS_SLPI] = "slpi", - [AOSS_QMP_LS_SPSS] = "spss", - [AOSS_QMP_LS_VENUS] = "venus", -}; - -static int qmp_pd_add(struct qmp *qmp) -{ - struct genpd_onecell_data *data = &qmp->pd_data; - struct device *dev = qmp->dev; - struct qmp_pd *res; - size_t num = ARRAY_SIZE(sdm845_resources); - int ret; - int i; - - res = devm_kcalloc(dev, num, sizeof(*res), GFP_KERNEL); - if (!res) - return -ENOMEM; - - data->domains = devm_kcalloc(dev, num, sizeof(*data->domains), - GFP_KERNEL); - if (!data->domains) - return -ENOMEM; - - for (i = 0; i < num; i++) { - res[i].qmp = qmp; - res[i].pd.name = sdm845_resources[i]; - res[i].pd.power_on = qmp_pd_power_on; - res[i].pd.power_off = qmp_pd_power_off; - - ret = pm_genpd_init(&res[i].pd, NULL, true); - if (ret < 0) { - dev_err(dev, "failed to init genpd\n"); - goto unroll_genpds; - } - - data->domains[i] = &res[i].pd; - } - - data->num_domains = i; - - ret = of_genpd_add_provider_onecell(dev->of_node, data); - if (ret < 0) - goto unroll_genpds; - - return 0; - -unroll_genpds: - for (i--; i >= 0; i--) - pm_genpd_remove(data->domains[i]); - - return ret; -} - -static void qmp_pd_remove(struct qmp *qmp) -{ - struct genpd_onecell_data *data = &qmp->pd_data; - struct device *dev = qmp->dev; - int i; - - of_genpd_del_provider(dev->of_node); - - for (i = 0; i < data->num_domains; i++) - pm_genpd_remove(data->domains[i]); -} - static int qmp_cdev_get_max_state(struct thermal_cooling_device *cdev, unsigned long *state) { @@ -641,10 +541,6 @@ static int qmp_probe(struct platform_device *pdev) if (ret) goto err_close_qmp; - ret = qmp_pd_add(qmp); - if (ret) - goto err_remove_qdss_clk; - ret = qmp_cooling_devices_register(qmp); if (ret) dev_err(&pdev->dev, "failed to register aoss cooling devices\n"); @@ -656,8 +552,6 @@ static int qmp_probe(struct platform_device *pdev) return 0; -err_remove_qdss_clk: - qmp_qdss_clk_remove(qmp); err_close_qmp: qmp_close(qmp); err_free_mbox: @@ -673,7 +567,6 @@ static int qmp_remove(struct platform_device *pdev) debugfs_remove(qmp->debugfs_file); qmp_qdss_clk_remove(qmp); - qmp_pd_remove(qmp); qmp_cooling_devices_remove(qmp); qmp_close(qmp);