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[2620:137:e000::1:20]) by mx.google.com with ESMTP id dr8-20020a170907720800b0077e6bb482adsi21514897ejc.658.2022.10.21.04.15.33; Fri, 21 Oct 2022 04:15:58 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=oKn52soH; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230393AbiJULMH (ORCPT + 99 others); Fri, 21 Oct 2022 07:12:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50338 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230076AbiJULKw (ORCPT ); Fri, 21 Oct 2022 07:10:52 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95D6815A318; Fri, 21 Oct 2022 04:10:49 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 02C0AB82BA0; Fri, 21 Oct 2022 11:10:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87386C43142; Fri, 21 Oct 2022 11:10:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666350644; bh=TmJEMvQwo+uUmysGKcW+OMz9Z15aw3Ra9DIApzj3kVU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oKn52soHsQC0Kni57Vtq8K0l7xAuErDjdeLMOtNBGGY6BXbT9CkB508CLAUPmZvOy ci8F41fqKJoEjcxRdr/Kq+yTNx3nRl4joAREqrm3JfdP8Vvhrl0tNaPCgfZSvhJ0FZ Nolrl733zvmHWRiJpwozSXRecwgfQUf2L5NtlNIVc5OXphog549IrlNr1V78gvuly7 EhXdTkwElT+tM1qjHy3Fi/oU4aCvPEXO2sudYAgzjx9aEs7yihOo+Jv7uRkfRzGWBl phJSPKW4aAEs/gYw+oYasETPSPhmt/2vl0fY19fP7/dPDTtd6UWuP3QLrID0PIfcRU seXrL77GuRs0w== Received: from johan by xi.lan with local (Exim 4.94.2) (envelope-from ) id 1olpv4-0007KY-Jb; Fri, 21 Oct 2022 13:10:30 +0200 From: Johan Hovold To: Vinod Koul Cc: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Dmitry Baryshkov , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Johan Hovold Subject: [PATCH v3 03/15] phy: qcom-qmp-pcie: merge driver data Date: Fri, 21 Oct 2022 13:09:35 +0200 Message-Id: <20221021110947.28103-4-johan+linaro@kernel.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221021110947.28103-1-johan+linaro@kernel.org> References: <20221021110947.28103-1-johan+linaro@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-7.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747295622275051956?= X-GMAIL-MSGID: =?utf-8?q?1747295622275051956?= The PCIe QMP PHY driver only manages a single PHY so merge the old qcom_qmp and qmp_phy structures and drop the PHY array. Reviewed-by: Dmitry Baryshkov Signed-off-by: Johan Hovold --- drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 218 +++++++++-------------- 1 file changed, 88 insertions(+), 130 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c index e66f6adc404b..667a87e7c917 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c @@ -1365,56 +1365,26 @@ struct qmp_phy_cfg { unsigned long pipe_clock_rate; }; -/** - * struct qmp_phy - per-lane phy descriptor - * - * @phy: generic phy - * @cfg: phy specific configuration - * @serdes: iomapped memory space for phy's serdes (i.e. PLL) - * @tx: iomapped memory space for lane's tx - * @rx: iomapped memory space for lane's rx - * @pcs: iomapped memory space for lane's pcs - * @tx2: iomapped memory space for second lane's tx (in dual lane PHYs) - * @rx2: iomapped memory space for second lane's rx (in dual lane PHYs) - * @pcs_misc: iomapped memory space for lane's pcs_misc - * @pipe_clk: pipe clock - * @qmp: QMP phy to which this lane belongs - * @mode: currently selected PHY mode - */ -struct qmp_phy { - struct phy *phy; +struct qmp_pcie { + struct device *dev; + const struct qmp_phy_cfg *cfg; + void __iomem *serdes; + void __iomem *pcs; + void __iomem *pcs_misc; void __iomem *tx; void __iomem *rx; - void __iomem *pcs; void __iomem *tx2; void __iomem *rx2; - void __iomem *pcs_misc; - struct clk *pipe_clk; - struct qcom_qmp *qmp; - int mode; -}; - -/** - * struct qcom_qmp - structure holding QMP phy block attributes - * - * @dev: device - * - * @clks: array of clocks required by phy - * @resets: array of resets required by phy - * @vregs: regulator supplies bulk data - * - * @phys: array of per-lane phy descriptors - */ -struct qcom_qmp { - struct device *dev; + struct clk *pipe_clk; struct clk_bulk_data *clks; struct reset_control_bulk_data *resets; struct regulator_bulk_data *vregs; - struct qmp_phy **phys; + struct phy *phy; + int mode; }; static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val) @@ -1850,9 +1820,9 @@ static void qmp_pcie_configure(void __iomem *base, qmp_pcie_configure_lane(base, tbl, num, 0xff); } -static void qmp_pcie_serdes_init(struct qmp_phy *qphy, const struct qmp_phy_cfg_tables *tables) +static void qmp_pcie_serdes_init(struct qmp_pcie *qmp, const struct qmp_phy_cfg_tables *tables) { - void __iomem *serdes = qphy->serdes; + void __iomem *serdes = qmp->serdes; if (!tables) return; @@ -1860,11 +1830,11 @@ static void qmp_pcie_serdes_init(struct qmp_phy *qphy, const struct qmp_phy_cfg_ qmp_pcie_configure(serdes, tables->serdes, tables->serdes_num); } -static void qmp_pcie_lanes_init(struct qmp_phy *qphy, const struct qmp_phy_cfg_tables *tables) +static void qmp_pcie_lanes_init(struct qmp_pcie *qmp, const struct qmp_phy_cfg_tables *tables) { - const struct qmp_phy_cfg *cfg = qphy->cfg; - void __iomem *tx = qphy->tx; - void __iomem *rx = qphy->rx; + const struct qmp_phy_cfg *cfg = qmp->cfg; + void __iomem *tx = qmp->tx; + void __iomem *rx = qmp->rx; if (!tables) return; @@ -1872,17 +1842,17 @@ static void qmp_pcie_lanes_init(struct qmp_phy *qphy, const struct qmp_phy_cfg_t qmp_pcie_configure_lane(tx, tables->tx, tables->tx_num, 1); if (cfg->lanes >= 2) - qmp_pcie_configure_lane(qphy->tx2, tables->tx, tables->tx_num, 2); + qmp_pcie_configure_lane(qmp->tx2, tables->tx, tables->tx_num, 2); qmp_pcie_configure_lane(rx, tables->rx, tables->rx_num, 1); if (cfg->lanes >= 2) - qmp_pcie_configure_lane(qphy->rx2, tables->rx, tables->rx_num, 2); + qmp_pcie_configure_lane(qmp->rx2, tables->rx, tables->rx_num, 2); } -static void qmp_pcie_pcs_init(struct qmp_phy *qphy, const struct qmp_phy_cfg_tables *tables) +static void qmp_pcie_pcs_init(struct qmp_pcie *qmp, const struct qmp_phy_cfg_tables *tables) { - void __iomem *pcs = qphy->pcs; - void __iomem *pcs_misc = qphy->pcs_misc; + void __iomem *pcs = qmp->pcs; + void __iomem *pcs_misc = qmp->pcs_misc; if (!tables) return; @@ -1893,9 +1863,8 @@ static void qmp_pcie_pcs_init(struct qmp_phy *qphy, const struct qmp_phy_cfg_tab static int qmp_pcie_init(struct phy *phy) { - struct qmp_phy *qphy = phy_get_drvdata(phy); - struct qcom_qmp *qmp = qphy->qmp; - const struct qmp_phy_cfg *cfg = qphy->cfg; + struct qmp_pcie *qmp = phy_get_drvdata(phy); + const struct qmp_phy_cfg *cfg = qmp->cfg; int ret; ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs); @@ -1932,9 +1901,8 @@ static int qmp_pcie_init(struct phy *phy) static int qmp_pcie_exit(struct phy *phy) { - struct qmp_phy *qphy = phy_get_drvdata(phy); - struct qcom_qmp *qmp = qphy->qmp; - const struct qmp_phy_cfg *cfg = qphy->cfg; + struct qmp_pcie *qmp = phy_get_drvdata(phy); + const struct qmp_phy_cfg *cfg = qmp->cfg; reset_control_bulk_assert(cfg->num_resets, qmp->resets); @@ -1947,11 +1915,10 @@ static int qmp_pcie_exit(struct phy *phy) static int qmp_pcie_power_on(struct phy *phy) { - struct qmp_phy *qphy = phy_get_drvdata(phy); - struct qcom_qmp *qmp = qphy->qmp; - const struct qmp_phy_cfg *cfg = qphy->cfg; + struct qmp_pcie *qmp = phy_get_drvdata(phy); + const struct qmp_phy_cfg *cfg = qmp->cfg; const struct qmp_phy_cfg_tables *mode_tables; - void __iomem *pcs = qphy->pcs; + void __iomem *pcs = qmp->pcs; void __iomem *status; unsigned int mask, val; int ret; @@ -1959,26 +1926,26 @@ static int qmp_pcie_power_on(struct phy *phy) qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], cfg->pwrdn_ctrl); - if (qphy->mode == PHY_MODE_PCIE_RC) + if (qmp->mode == PHY_MODE_PCIE_RC) mode_tables = cfg->tables_rc; else mode_tables = cfg->tables_ep; - qmp_pcie_serdes_init(qphy, &cfg->tables); - qmp_pcie_serdes_init(qphy, mode_tables); + qmp_pcie_serdes_init(qmp, &cfg->tables); + qmp_pcie_serdes_init(qmp, mode_tables); - ret = clk_prepare_enable(qphy->pipe_clk); + ret = clk_prepare_enable(qmp->pipe_clk); if (ret) { dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret); return ret; } /* Tx, Rx, and PCS configurations */ - qmp_pcie_lanes_init(qphy, &cfg->tables); - qmp_pcie_lanes_init(qphy, mode_tables); + qmp_pcie_lanes_init(qmp, &cfg->tables); + qmp_pcie_lanes_init(qmp, mode_tables); - qmp_pcie_pcs_init(qphy, &cfg->tables); - qmp_pcie_pcs_init(qphy, mode_tables); + qmp_pcie_pcs_init(qmp, &cfg->tables); + qmp_pcie_pcs_init(qmp, mode_tables); /* Pull PHY out of reset state */ qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); @@ -2001,27 +1968,27 @@ static int qmp_pcie_power_on(struct phy *phy) return 0; err_disable_pipe_clk: - clk_disable_unprepare(qphy->pipe_clk); + clk_disable_unprepare(qmp->pipe_clk); return ret; } static int qmp_pcie_power_off(struct phy *phy) { - struct qmp_phy *qphy = phy_get_drvdata(phy); - const struct qmp_phy_cfg *cfg = qphy->cfg; + struct qmp_pcie *qmp = phy_get_drvdata(phy); + const struct qmp_phy_cfg *cfg = qmp->cfg; - clk_disable_unprepare(qphy->pipe_clk); + clk_disable_unprepare(qmp->pipe_clk); /* PHY reset */ - qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); + qphy_setbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET); /* stop SerDes and Phy-Coding-Sublayer */ - qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], + qphy_clrbits(qmp->pcs, cfg->regs[QPHY_START_CTRL], SERDES_START | PCS_START); /* Put PHY into POWER DOWN state: active low */ - qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], + qphy_clrbits(qmp->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], cfg->pwrdn_ctrl); return 0; @@ -2055,12 +2022,12 @@ static int qmp_pcie_disable(struct phy *phy) static int qmp_pcie_set_mode(struct phy *phy, enum phy_mode mode, int submode) { - struct qmp_phy *qphy = phy_get_drvdata(phy); + struct qmp_pcie *qmp = phy_get_drvdata(phy); switch (submode) { case PHY_MODE_PCIE_RC: case PHY_MODE_PCIE_EP: - qphy->mode = submode; + qmp->mode = submode; break; default: dev_err(&phy->dev, "Unsupported submode %d\n", submode); @@ -2072,7 +2039,7 @@ static int qmp_pcie_set_mode(struct phy *phy, enum phy_mode mode, int submode) static int qmp_pcie_vreg_init(struct device *dev, const struct qmp_phy_cfg *cfg) { - struct qcom_qmp *qmp = dev_get_drvdata(dev); + struct qmp_pcie *qmp = dev_get_drvdata(dev); int num = cfg->num_vregs; int i; @@ -2088,7 +2055,7 @@ static int qmp_pcie_vreg_init(struct device *dev, const struct qmp_phy_cfg *cfg) static int qmp_pcie_reset_init(struct device *dev, const struct qmp_phy_cfg *cfg) { - struct qcom_qmp *qmp = dev_get_drvdata(dev); + struct qmp_pcie *qmp = dev_get_drvdata(dev); int i; int ret; @@ -2109,7 +2076,7 @@ static int qmp_pcie_reset_init(struct device *dev, const struct qmp_phy_cfg *cfg static int qmp_pcie_clk_init(struct device *dev, const struct qmp_phy_cfg *cfg) { - struct qcom_qmp *qmp = dev_get_drvdata(dev); + struct qmp_pcie *qmp = dev_get_drvdata(dev); int num = cfg->num_clks; int i; @@ -2146,7 +2113,7 @@ static void phy_clk_release_provider(void *res) * clk | +-------+ | +-----+ * +---------------+ */ -static int phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np) +static int phy_pipe_clk_register(struct qmp_pcie *qmp, struct device_node *np) { struct clk_fixed_rate *fixed; struct clk_init_data init = { }; @@ -2168,8 +2135,8 @@ static int phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np) * Controllers using QMP PHY-s use 125MHz pipe clock interface * unless other frequency is specified in the PHY config. */ - if (qmp->phys[0]->cfg->pipe_clock_rate) - fixed->fixed_rate = qmp->phys[0]->cfg->pipe_clock_rate; + if (qmp->cfg->pipe_clock_rate) + fixed->fixed_rate = qmp->cfg->pipe_clock_rate; else fixed->fixed_rate = 125000000; @@ -2197,97 +2164,92 @@ static const struct phy_ops qmp_pcie_ops = { .owner = THIS_MODULE, }; -static int qmp_pcie_create(struct device *dev, struct device_node *np, int id, +static int qmp_pcie_create(struct device *dev, struct device_node *np, void __iomem *serdes, const struct qmp_phy_cfg *cfg) { - struct qcom_qmp *qmp = dev_get_drvdata(dev); + struct qmp_pcie *qmp = dev_get_drvdata(dev); struct phy *generic_phy; - struct qmp_phy *qphy; int ret; - qphy = devm_kzalloc(dev, sizeof(*qphy), GFP_KERNEL); - if (!qphy) - return -ENOMEM; + qmp->mode = PHY_MODE_PCIE_RC; - qphy->mode = PHY_MODE_PCIE_RC; + qmp->cfg = cfg; + qmp->serdes = serdes; - qphy->cfg = cfg; - qphy->serdes = serdes; /* * Get memory resources for the PHY: * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2. * For dual lane PHYs: tx2 -> 3, rx2 -> 4, pcs_misc (optional) -> 5 * For single lane PHYs: pcs_misc (optional) -> 3. */ - qphy->tx = devm_of_iomap(dev, np, 0, NULL); - if (IS_ERR(qphy->tx)) - return PTR_ERR(qphy->tx); + qmp->tx = devm_of_iomap(dev, np, 0, NULL); + if (IS_ERR(qmp->tx)) + return PTR_ERR(qmp->tx); if (of_device_is_compatible(dev->of_node, "qcom,sdm845-qhp-pcie-phy")) - qphy->rx = qphy->tx; + qmp->rx = qmp->tx; else - qphy->rx = devm_of_iomap(dev, np, 1, NULL); - if (IS_ERR(qphy->rx)) - return PTR_ERR(qphy->rx); + qmp->rx = devm_of_iomap(dev, np, 1, NULL); + if (IS_ERR(qmp->rx)) + return PTR_ERR(qmp->rx); - qphy->pcs = devm_of_iomap(dev, np, 2, NULL); - if (IS_ERR(qphy->pcs)) - return PTR_ERR(qphy->pcs); + qmp->pcs = devm_of_iomap(dev, np, 2, NULL); + if (IS_ERR(qmp->pcs)) + return PTR_ERR(qmp->pcs); if (cfg->lanes >= 2) { - qphy->tx2 = devm_of_iomap(dev, np, 3, NULL); - if (IS_ERR(qphy->tx2)) - return PTR_ERR(qphy->tx2); + qmp->tx2 = devm_of_iomap(dev, np, 3, NULL); + if (IS_ERR(qmp->tx2)) + return PTR_ERR(qmp->tx2); - qphy->rx2 = devm_of_iomap(dev, np, 4, NULL); - if (IS_ERR(qphy->rx2)) - return PTR_ERR(qphy->rx2); + qmp->rx2 = devm_of_iomap(dev, np, 4, NULL); + if (IS_ERR(qmp->rx2)) + return PTR_ERR(qmp->rx2); - qphy->pcs_misc = devm_of_iomap(dev, np, 5, NULL); + qmp->pcs_misc = devm_of_iomap(dev, np, 5, NULL); } else { - qphy->pcs_misc = devm_of_iomap(dev, np, 3, NULL); + qmp->pcs_misc = devm_of_iomap(dev, np, 3, NULL); } - if (IS_ERR(qphy->pcs_misc) && + if (IS_ERR(qmp->pcs_misc) && of_device_is_compatible(dev->of_node, "qcom,ipq6018-qmp-pcie-phy")) - qphy->pcs_misc = qphy->pcs + 0x400; + qmp->pcs_misc = qmp->pcs + 0x400; - if (IS_ERR(qphy->pcs_misc)) { + if (IS_ERR(qmp->pcs_misc)) { if (cfg->tables.pcs_misc || (cfg->tables_rc && cfg->tables_rc->pcs_misc) || - (cfg->tables_ep && cfg->tables_ep->pcs_misc)) - return PTR_ERR(qphy->pcs_misc); + (cfg->tables_ep && cfg->tables_ep->pcs_misc)) { + return PTR_ERR(qmp->pcs_misc); + } } - qphy->pipe_clk = devm_get_clk_from_child(dev, np, NULL); - if (IS_ERR(qphy->pipe_clk)) { - return dev_err_probe(dev, PTR_ERR(qphy->pipe_clk), - "failed to get lane%d pipe clock\n", id); + qmp->pipe_clk = devm_get_clk_from_child(dev, np, NULL); + if (IS_ERR(qmp->pipe_clk)) { + return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk), + "failed to get pipe clock\n"); } generic_phy = devm_phy_create(dev, np, &qmp_pcie_ops); if (IS_ERR(generic_phy)) { ret = PTR_ERR(generic_phy); - dev_err(dev, "failed to create qphy %d\n", ret); + dev_err(dev, "failed to create PHY: %d\n", ret); return ret; } - qphy->phy = generic_phy; - qphy->qmp = qmp; - qmp->phys[id] = qphy; - phy_set_drvdata(generic_phy, qphy); + qmp->phy = generic_phy; + phy_set_drvdata(generic_phy, qmp); return 0; } static int qmp_pcie_probe(struct platform_device *pdev) { - struct qcom_qmp *qmp; struct device *dev = &pdev->dev; struct device_node *child; struct phy_provider *phy_provider; void __iomem *serdes; const struct qmp_phy_cfg *cfg = NULL; + struct qmp_pcie *qmp; int num, id; int ret; @@ -2326,14 +2288,10 @@ static int qmp_pcie_probe(struct platform_device *pdev) if (num > 1) return -EINVAL; - qmp->phys = devm_kcalloc(dev, num, sizeof(*qmp->phys), GFP_KERNEL); - if (!qmp->phys) - return -ENOMEM; - id = 0; for_each_available_child_of_node(dev->of_node, child) { /* Create per-lane phy */ - ret = qmp_pcie_create(dev, child, id, serdes, cfg); + ret = qmp_pcie_create(dev, child, serdes, cfg); if (ret) { dev_err(dev, "failed to create lane%d phy, %d\n", id, ret);