From patchwork Thu Oct 20 10:31:20 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 13013022 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 99EB2C43219 for ; Thu, 20 Oct 2022 10:31:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230246AbiJTKbi (ORCPT ); Thu, 20 Oct 2022 06:31:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41946 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230353AbiJTKb1 (ORCPT ); Thu, 20 Oct 2022 06:31:27 -0400 Received: from mail-lj1-x22a.google.com (mail-lj1-x22a.google.com [IPv6:2a00:1450:4864:20::22a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 328EE106A66 for ; Thu, 20 Oct 2022 03:31:26 -0700 (PDT) Received: by mail-lj1-x22a.google.com with SMTP id bs14so25733591ljb.9 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=C3ybdI1mbUKhPIhIWhpwVRK1EVfp/BMBBib0n1JTkYg=; b=qKJZ/aqaVUoN+eA1/H7Gv1dbjF7EcAyisLA+X36yEMrHd6fHylICMbq4j/XRaF3FI9 B9cO3e0OdopZtGs7V4CPA1GxCOhg1zRd/W3rL/0JI5SJKG4Ku3PcxSGY6mwjzV3j00LQ YKTGUlSEJd181TA79vmWsnq/hp9xiE+QgFjUt9kl6NhycxDoKLt4cyNiynlKx5uozFo1 8JmEY5PJbUWNcTbRTcUSXU/Cs6VX9ixaMGOy25z5GCp5z+C0LSgFbjTHzUKGxyX896s6 SamNHSvwNDdSq5Me+UHvwwWcDSl58+UcFa9/msNVX6sbAdyzmOaRulwznk4RyMNtgVmC Tnpw== 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=C3ybdI1mbUKhPIhIWhpwVRK1EVfp/BMBBib0n1JTkYg=; b=sU3/M2zGstVr5dEpqGpjQHB0U+zBvWXfSirg1eBowCxWnAhhn0uRoQpxaKdAbjLdc8 qX7cYtUz7WcWbNVLeDcIbCsfbelzPRL2BkvTJtqyRg2ccTnbGt0PlJqTVooqnHSOCZ4F RAboqVOCZ85fqDgbH9Q2c+oyTYAXS2oxjp2F/yxOvplMehxrrp4t3NDXRx/G6qWVnIvj yrW+mpbx7695ytEy/0aXaUNWMBfGAX0FW4vKJiBRJkp9zOqG0ACiLq3hh0rUfOhGsFTM 2E663ZUt7Ial/H2ds4pxFIFECkJ1Lp0YPLIP4hj4KoDxJuS6u+4ueAHL5qYz8CXaANtQ bh4w== X-Gm-Message-State: ACrzQf2Z6uNCDG04u9gK/cMAZHoQR/tpHx3BqwdKiplpeGCRYAkj90ek 3e9i6a7e+kBNZAvMv++CVlGsxg== X-Google-Smtp-Source: AMsMyM7zfTmCRIm5AV40WKJ4TKuVps9l947nbOPKEYUlYJcWh6j0q9WuPz4P5E77rCxlWW70/fljDg== X-Received: by 2002:a2e:a4cf:0:b0:26e:704:9d7e with SMTP id p15-20020a2ea4cf000000b0026e07049d7emr4478742ljm.284.1666261884311; Thu, 20 Oct 2022 03:31:24 -0700 (PDT) Received: from eriador.unikie.fi ([192.130.178.91]) by smtp.gmail.com with ESMTPSA id l2-20020a2e3e02000000b0026be1de1500sm2829019lja.79.2022.10.20.03.31.23 (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 4/4] PCI: qcom: Use clk_bulk_ API for 2.3.3 clocks handling Date: Thu, 20 Oct 2022 13:31:20 +0300 Message-Id: <20221020103120.1541862-5-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 | 90 ++++---------------------- 1 file changed, 12 insertions(+), 78 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index eee4d2179e90..e64e504e531e 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -164,11 +164,7 @@ struct qcom_pcie_resources_2_4_0 { }; struct qcom_pcie_resources_2_3_3 { - struct clk *iface; - struct clk *axi_m_clk; - struct clk *axi_s_clk; - struct clk *ahb_clk; - struct clk *aux_clk; + struct clk_bulk_data clks[5]; struct reset_control *rst[7]; }; @@ -929,29 +925,19 @@ static int qcom_pcie_get_resources_2_3_3(struct qcom_pcie *pcie) struct dw_pcie *pci = pcie->pci; struct device *dev = pci->dev; int i; + int ret; const char *rst_names[] = { "axi_m", "axi_s", "pipe", "axi_m_sticky", "sticky", "ahb", "sleep", }; - res->iface = devm_clk_get(dev, "iface"); - if (IS_ERR(res->iface)) - return PTR_ERR(res->iface); - - res->axi_m_clk = devm_clk_get(dev, "axi_m"); - if (IS_ERR(res->axi_m_clk)) - return PTR_ERR(res->axi_m_clk); - - res->axi_s_clk = devm_clk_get(dev, "axi_s"); - if (IS_ERR(res->axi_s_clk)) - return PTR_ERR(res->axi_s_clk); - - res->ahb_clk = devm_clk_get(dev, "ahb"); - if (IS_ERR(res->ahb_clk)) - return PTR_ERR(res->ahb_clk); - - res->aux_clk = devm_clk_get(dev, "aux"); - if (IS_ERR(res->aux_clk)) - return PTR_ERR(res->aux_clk); + res->clks[0].id = "iface"; + res->clks[1].id = "axi_m"; + res->clks[2].id = "axi_s"; + res->clks[3].id = "ahb"; + res->clks[4].id = "aux"; + ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks); + if (ret < 0) + return ret; for (i = 0; i < ARRAY_SIZE(rst_names); i++) { res->rst[i] = devm_reset_control_get(dev, rst_names[i]); @@ -966,11 +952,7 @@ static void qcom_pcie_deinit_2_3_3(struct qcom_pcie *pcie) { struct qcom_pcie_resources_2_3_3 *res = &pcie->res.v2_3_3; - clk_disable_unprepare(res->iface); - clk_disable_unprepare(res->axi_m_clk); - clk_disable_unprepare(res->axi_s_clk); - clk_disable_unprepare(res->ahb_clk); - clk_disable_unprepare(res->aux_clk); + clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks); } static int qcom_pcie_init_2_3_3(struct qcom_pcie *pcie) @@ -1005,55 +987,7 @@ static int qcom_pcie_init_2_3_3(struct qcom_pcie *pcie) */ usleep_range(2000, 2500); - ret = clk_prepare_enable(res->iface); - if (ret) { - dev_err(dev, "cannot prepare/enable core clock\n"); - goto err_clk_iface; - } - - ret = clk_prepare_enable(res->axi_m_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable core clock\n"); - goto err_clk_axi_m; - } - - ret = clk_prepare_enable(res->axi_s_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable axi slave clock\n"); - goto err_clk_axi_s; - } - - ret = clk_prepare_enable(res->ahb_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable ahb clock\n"); - goto err_clk_ahb; - } - - ret = clk_prepare_enable(res->aux_clk); - if (ret) { - dev_err(dev, "cannot prepare/enable aux clock\n"); - goto err_clk_aux; - } - - return 0; - -err_clk_aux: - clk_disable_unprepare(res->ahb_clk); -err_clk_ahb: - clk_disable_unprepare(res->axi_s_clk); -err_clk_axi_s: - clk_disable_unprepare(res->axi_m_clk); -err_clk_axi_m: - clk_disable_unprepare(res->iface); -err_clk_iface: - /* - * Not checking for failure, will anyway return - * the original failure in 'ret'. - */ - for (i = 0; i < ARRAY_SIZE(res->rst); i++) - reset_control_assert(res->rst[i]); - - return ret; + return clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks); } static int qcom_pcie_post_init_2_3_3(struct qcom_pcie *pcie)