From patchwork Tue Dec 14 22:58:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 12691863 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 8B60CC433F5 for ; Tue, 14 Dec 2021 22:59:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235084AbhLNW7C (ORCPT ); Tue, 14 Dec 2021 17:59:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37828 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235054AbhLNW7C (ORCPT ); Tue, 14 Dec 2021 17:59:02 -0500 Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [IPv6:2a00:1450:4864:20::12e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 92C99C061401 for ; Tue, 14 Dec 2021 14:59:01 -0800 (PST) Received: by mail-lf1-x12e.google.com with SMTP id b40so39637792lfv.10 for ; Tue, 14 Dec 2021 14:59:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=IlcNu4X+u+zgh+WEBChQKS6Fu3dBxZhNYJ6A9yv9If8=; b=iAEL0uViXgN8I4MCIyvNT0pqAxA/OZ7thZGHaC0F93irwSz1cyv4JCVw5At/ED7Aiw qAyLsFyIr4dCV8BGV+Co1e0yLVgk6ctiSt6bEE6MQMLZBtw1gDn48rufOHD9hJvoNT39 wMCJcHQuL+Ns8dpm42n0jjljWyBAqdeduyRUS1eOHmum6tbuqoXABc5VN+baWjuB1maa t3zX1IuIcpd1LSLLCD084SSkMrmAnUDhSVj28rivrQVuW6uQadgu2kWWzvuz0TUURjzb bQ1L72A4+uiARm/gx2DYl/LYRnJzKymj8yAVhOdyOsUCLCckAnahhmZgJHYAjKguLbMi Wk3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=IlcNu4X+u+zgh+WEBChQKS6Fu3dBxZhNYJ6A9yv9If8=; b=SQsEyGw3Ck3DEyIS+wn8oVOWMOzVnZ0ZXExDz6DZZvkHXztMEbhIRl8OJqFicTMJJf kFZQ5Xvm79RJKKG0rkfSfxNeGwVwDA2dzjgLOFREh17E42Z1dmX5e42YEG4xqBohvNFM MrAGYtEz7RkyTqwPVFAuYB76MwiyPKSq1/rmQndUL1IUj3IRhVCkDcH1yOLbd2uzp/al NKTjRaq1tstZ3cl98zpCI72DocLrLZrU6KobxODlb1OB19DwbnkM79MWq+jNX39/qHV3 wdaFzHcuB3DqPnt9hKvghCWWOXhX5DUaCgpdj0XRjsmsib07PwhUQxt461I/FT681d3X jAGw== X-Gm-Message-State: AOAM530t9lc4Ng5k/YfnwzRAkXzIuKypuTsVYv7ETXHnTuGItoeuhfn6 afg0yIUPMn06JQl0oM0tB+/b5Q== X-Google-Smtp-Source: ABdhPJy1P19hXigZe3LBIOhUZUq6kUQn3LbCgGdgwzgvAOV4aO9cTw4ds/3Sl3TBxP0g7MdemN/75w== X-Received: by 2002:a05:6512:3a5:: with SMTP id v5mr7218651lfp.250.1639522739781; Tue, 14 Dec 2021 14:58:59 -0800 (PST) Received: from eriador.lan ([2001:470:dd84:abc0::8a5]) by smtp.gmail.com with ESMTPSA id t10sm45115lja.105.2021.12.14.14.58.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Dec 2021 14:58:59 -0800 (PST) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Herring , Vinod Koul , Kishon Vijay Abraham I , Stanimir Varbanov , Lorenzo Pieralisi Cc: Bjorn Helgaas , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-phy@lists.infradead.org Subject: [PATCH v4 04/10] PCI: qcom: Remove redundancy between qcom_pcie and qcom_pcie_cfg Date: Wed, 15 Dec 2021 01:58:40 +0300 Message-Id: <20211214225846.2043361-5-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211214225846.2043361-1-dmitry.baryshkov@linaro.org> References: <20211214225846.2043361-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org In preparation to adding more flags to configuration data, use pointer to struct qcom_pcie_cfg directly inside struct qcom_pcie, rather than duplicating all its fields. This would save us from the boilerplate code that just copies flag values from one struct to another one. Signed-off-by: Dmitry Baryshkov --- drivers/pci/controller/dwc/pcie-qcom.c | 39 +++++++++++--------------- 1 file changed, 17 insertions(+), 22 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 1c3d1116bb60..51a0475173fb 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -204,8 +204,7 @@ struct qcom_pcie { union qcom_pcie_resources res; struct phy *phy; struct gpio_desc *reset; - const struct qcom_pcie_ops *ops; - unsigned int pipe_clk_need_muxing:1; + const struct qcom_pcie_cfg *cfg; }; #define to_qcom_pcie(x) dev_get_drvdata((x)->dev) @@ -229,8 +228,8 @@ static int qcom_pcie_start_link(struct dw_pcie *pci) struct qcom_pcie *pcie = to_qcom_pcie(pci); /* Enable Link Training state machine */ - if (pcie->ops->ltssm_enable) - pcie->ops->ltssm_enable(pcie); + if (pcie->cfg->ops->ltssm_enable) + pcie->cfg->ops->ltssm_enable(pcie); return 0; } @@ -1176,7 +1175,7 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie) if (ret < 0) return ret; - if (pcie->pipe_clk_need_muxing) { + if (pcie->cfg->pipe_clk_need_muxing) { res->pipe_clk_src = devm_clk_get(dev, "pipe_mux"); if (IS_ERR(res->pipe_clk_src)) return PTR_ERR(res->pipe_clk_src); @@ -1209,7 +1208,7 @@ static int qcom_pcie_init_2_7_0(struct qcom_pcie *pcie) } /* Set TCXO as clock source for pcie_pipe_clk_src */ - if (pcie->pipe_clk_need_muxing) + if (pcie->cfg->pipe_clk_need_muxing) clk_set_parent(res->pipe_clk_src, res->ref_clk_src); ret = clk_bulk_prepare_enable(res->num_clks, res->clks); @@ -1284,7 +1283,7 @@ static int qcom_pcie_post_init_2_7_0(struct qcom_pcie *pcie) struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0; /* Set pipe clock as clock source for pcie_pipe_clk_src */ - if (pcie->pipe_clk_need_muxing) + if (pcie->cfg->pipe_clk_need_muxing) clk_set_parent(res->pipe_clk_src, res->phy_pipe_clk); return clk_prepare_enable(res->pipe_clk); @@ -1384,7 +1383,7 @@ static int qcom_pcie_host_init(struct pcie_port *pp) qcom_ep_reset_assert(pcie); - ret = pcie->ops->init(pcie); + ret = pcie->cfg->ops->init(pcie); if (ret) return ret; @@ -1392,16 +1391,16 @@ static int qcom_pcie_host_init(struct pcie_port *pp) if (ret) goto err_deinit; - if (pcie->ops->post_init) { - ret = pcie->ops->post_init(pcie); + if (pcie->cfg->ops->post_init) { + ret = pcie->cfg->ops->post_init(pcie); if (ret) goto err_disable_phy; } qcom_ep_reset_deassert(pcie); - if (pcie->ops->config_sid) { - ret = pcie->ops->config_sid(pcie); + if (pcie->cfg->ops->config_sid) { + ret = pcie->cfg->ops->config_sid(pcie); if (ret) goto err; } @@ -1410,12 +1409,12 @@ static int qcom_pcie_host_init(struct pcie_port *pp) err: qcom_ep_reset_assert(pcie); - if (pcie->ops->post_deinit) - pcie->ops->post_deinit(pcie); + if (pcie->cfg->ops->post_deinit) + pcie->cfg->ops->post_deinit(pcie); err_disable_phy: phy_power_off(pcie->phy); err_deinit: - pcie->ops->deinit(pcie); + pcie->cfg->ops->deinit(pcie); return ret; } @@ -1531,7 +1530,6 @@ static int qcom_pcie_probe(struct platform_device *pdev) struct pcie_port *pp; struct dw_pcie *pci; struct qcom_pcie *pcie; - const struct qcom_pcie_cfg *pcie_cfg; int ret; pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL); @@ -1553,15 +1551,12 @@ static int qcom_pcie_probe(struct platform_device *pdev) pcie->pci = pci; - pcie_cfg = of_device_get_match_data(dev); - if (!pcie_cfg || !pcie_cfg->ops) { + pcie->cfg = of_device_get_match_data(dev); + if (!pcie->cfg || !pcie->cfg->ops) { dev_err(dev, "Invalid platform data\n"); return -EINVAL; } - pcie->ops = pcie_cfg->ops; - pcie->pipe_clk_need_muxing = pcie_cfg->pipe_clk_need_muxing; - pcie->reset = devm_gpiod_get_optional(dev, "perst", GPIOD_OUT_HIGH); if (IS_ERR(pcie->reset)) { ret = PTR_ERR(pcie->reset); @@ -1586,7 +1581,7 @@ static int qcom_pcie_probe(struct platform_device *pdev) goto err_pm_runtime_put; } - ret = pcie->ops->get_resources(pcie); + ret = pcie->cfg->ops->get_resources(pcie); if (ret) goto err_pm_runtime_put;