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Fri, 10 Dec 2021 03:15:47 -0800 (PST) Date: Fri, 10 Dec 2021 16:45:41 +0530 From: Manivannan Sadhasivam To: Dmitry Baryshkov Cc: Andy Gross , Bjorn Andersson , Rob Herring , Vinod Koul , Kishon Vijay Abraham I , Stanimir Varbanov , Lorenzo Pieralisi , Bjorn Helgaas , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-phy@lists.infradead.org Subject: Re: [PATCH v2 04/10] PCI: qcom: Remove redundancy between qcom_pcie and qcom_pcie_cfg Message-ID: <20211210111541.GD1734@thinkpad> References: <20211208171442.1327689-1-dmitry.baryshkov@linaro.org> <20211208171442.1327689-5-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20211208171442.1327689-5-dmitry.baryshkov@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211210_031550_882204_59134AD2 X-CRM114-Status: GOOD ( 23.09 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On Wed, Dec 08, 2021 at 08:14:36PM +0300, Dmitry Baryshkov wrote: > In preparation to adding more flags to configuration data, use 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 flags values from one sruct 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; There is no change in this patch that adds "pipe_clk_need_muxing" to qcom_pcie_cfg. Thanks, Mani > }; > > #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; > > -- > 2.33.0 > -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy