From patchwork Thu Oct 20 10:31:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 13013021 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DF4FC4332F for ; Thu, 20 Oct 2022 10:31:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230193AbiJTKbh (ORCPT ); Thu, 20 Oct 2022 06:31:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230309AbiJTKb1 (ORCPT ); Thu, 20 Oct 2022 06:31:27 -0400 Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 918C8106A5D for ; Thu, 20 Oct 2022 03:31:25 -0700 (PDT) Received: by mail-lf1-x133.google.com with SMTP id b2so32789464lfp.6 for ; Thu, 20 Oct 2022 03:31:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=xS4NbLd3+w4J4i/Fj/rcqtMb9R3cTfUxG+88rJJXULg=; b=BbZVDj4rwemrkH59vmOd3N2168GbgNyo0PqHrLS9n4dTqxFyaJSSrcLveOYx/XoLuT Ww8F/AGg6hdgxRc58XcfZiRcUY6rWZ1clOGzpwoNK2TTWzRtR7sVC64rQGVme5S//Atf uwcuT3oJrsGhJqg8qhlVXSKopnW73s5sNh8bUAK+XbzNYFnDTjpGKnifAAcKwxl0h5Yf hXuAirux+6vXbc9yc6ArKoos7M0HVxcAjfv+ufV6OjRHd57BUnSExh2iOxd/YopZrDAe 3JP8uU5oOGIUVVZdJ0Yl64n2WwjU26Ou8EHw9fACABhxpe3iy475pt397hvPtKWMXVMN 3YlA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=xS4NbLd3+w4J4i/Fj/rcqtMb9R3cTfUxG+88rJJXULg=; b=gqgdn6zm3RKrJdRHA2ElgA0AA4zMKDrDM/XZevnVpgElEd6awexab1ctKemRPuhNbb vy3O4YjOHuNJcVTWjgCwjw0pthJFtcxDHaiAE7yvCZnRHpm+9UZAwQqBC2zIKCBWW8mv WOVpb+6M3SfV/RRq/K2VckxQJlrUZkaUB2vh8W50v7EWJyNwkOvVotriYZytW9a4Mqwd I3wBvO7rKKBD1C79s4/ne7RJ1xlhQBrutp0X+lRulZ3n78mLoUintnEk82ZR/X27msMf +VEvFiJ2nf7gbWGlLVZ/HnPBn/1ffFKiWfYUGq/JdXW+R4nOCosaYxY1kL2GEbovg4a2 LY7g== X-Gm-Message-State: ACrzQf3h69wimtu5X57ZVfjmv6XNm15tgWOLO/mkXW10eadEhKRfI7ru 9y5UObyT9AxUkwPNtr+S6nIcbg== X-Google-Smtp-Source: AMsMyM7N94CTLz10yodk36hz7Lg5rKd/lZbA7U1ZhnIJ4zIeSLdJh7b5IfNXwDtUiXRHl8gCKhFM+A== X-Received: by 2002:ac2:4882:0:b0:4a2:2da0:391d with SMTP id x2-20020ac24882000000b004a22da0391dmr4686885lfc.160.1666261883641; Thu, 20 Oct 2022 03:31:23 -0700 (PDT) Received: from eriador.unikie.fi ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id l2-20020a2e3e02000000b0026be1de1500sm2829019lja.79.2022.10.20.03.31.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Oct 2022 03:31:23 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Jingoo Han , Gustavo Pimentel , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Bjorn Helgaas Cc: linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, Johan Hovold Subject: [PATCH 3/4] PCI: qcom: Use clk_bulk_ API for 2.3.2 clocks handling Date: Thu, 20 Oct 2022 13:31:19 +0300 Message-Id: <20221020103120.1541862-4-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221020103120.1541862-1-dmitry.baryshkov@linaro.org> References: <20221020103120.1541862-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Change hand-coded implementation of bulk clocks to use the existing clk_bulk_* API. Signed-off-by: Dmitry Baryshkov --- drivers/pci/controller/dwc/pcie-qcom.c | 68 ++++++-------------------- 1 file changed, 15 insertions(+), 53 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 74588438db07..eee4d2179e90 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -139,11 +139,9 @@ struct qcom_pcie_resources_1_0_0 { }; #define QCOM_PCIE_2_3_2_MAX_SUPPLY 2 +#define QCOM_PCIE_2_3_2_MAX_CLOCKS 4 struct qcom_pcie_resources_2_3_2 { - struct clk *aux_clk; - struct clk *master_clk; - struct clk *slave_clk; - struct clk *cfg_clk; + struct clk_bulk_data clks[QCOM_PCIE_2_3_2_MAX_CLOCKS]; struct regulator_bulk_data supplies[QCOM_PCIE_2_3_2_MAX_SUPPLY]; }; @@ -571,21 +569,14 @@ static int qcom_pcie_get_resources_2_3_2(struct qcom_pcie *pcie) if (ret) return ret; - res->aux_clk = devm_clk_get(dev, "aux"); - if (IS_ERR(res->aux_clk)) - return PTR_ERR(res->aux_clk); - - res->cfg_clk = devm_clk_get(dev, "cfg"); - if (IS_ERR(res->cfg_clk)) - return PTR_ERR(res->cfg_clk); - - res->master_clk = devm_clk_get(dev, "bus_master"); - if (IS_ERR(res->master_clk)) - return PTR_ERR(res->master_clk); + res->clks[0].id = "aux"; + res->clks[1].id = "cfg"; + res->clks[2].id = "master"; + res->clks[3].id = "slave"; - res->slave_clk = devm_clk_get(dev, "bus_slave"); - if (IS_ERR(res->slave_clk)) - return PTR_ERR(res->slave_clk); + ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks); + if (ret < 0) + return ret; return 0; } @@ -594,11 +585,7 @@ static void qcom_pcie_deinit_2_3_2(struct qcom_pcie *pcie) { struct qcom_pcie_resources_2_3_2 *res = &pcie->res.v2_3_2; - clk_disable_unprepare(res->slave_clk); - clk_disable_unprepare(res->master_clk); - clk_disable_unprepare(res->cfg_clk); - clk_disable_unprepare(res->aux_clk); - + clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks); regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies); } @@ -615,40 +602,15 @@ static int qcom_pcie_init_2_3_2(struct qcom_pcie *pcie) return ret; } - ret = clk_prepare_enable(res->aux_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable aux clock\n"); - goto err_aux_clk; - } - - ret = clk_prepare_enable(res->cfg_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable cfg clock\n"); - goto err_cfg_clk; - } - - ret = clk_prepare_enable(res->master_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable master clock\n"); - goto err_master_clk; - } - - ret = clk_prepare_enable(res->slave_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable slave clock\n"); - goto err_slave_clk; + ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks); + if (ret < 0) { + dev_err(dev, "cannot prepare/enable clocks\n"); + goto err_clks; } return 0; -err_slave_clk: - clk_disable_unprepare(res->master_clk); -err_master_clk: - clk_disable_unprepare(res->cfg_clk); -err_cfg_clk: - clk_disable_unprepare(res->aux_clk); - -err_aux_clk: +err_clks: regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies); return ret;