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| author | Rob Herring <robh@kernel.org> | 2020-08-20 21:54:14 -0600 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2020-09-10 16:50:54 +0100 |
| commit | 39bc5006501cc31987f4fc249c5ce07286b84768 (patch) | |
| tree | aa5220e3c8c090117420dfe614fdc5ec421cd0b9 /drivers/pci/controller/dwc/pcie-qcom.c | |
| parent | b04a6b9d395d4bf540a1b7534e0ed16bea084c15 (diff) | |
| download | kernel_replicant_linux-39bc5006501cc31987f4fc249c5ce07286b84768.tar.gz kernel_replicant_linux-39bc5006501cc31987f4fc249c5ce07286b84768.tar.bz2 kernel_replicant_linux-39bc5006501cc31987f4fc249c5ce07286b84768.zip | |
PCI: dwc: Centralize link gen setting
keystone would force gen2 if no DT property. Now it relies on the
PCI_EXP_LNKCAP value.
Link: https://lore.kernel.org/r/20200821035420.380495-35-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Richard Zhu <hongxing.zhu@nxp.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Murali Karicheri <m-karicheri2@ti.com>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Cc: Stanimir Varbanov <svarbanov@mm-sol.com>
Cc: Andy Gross <agross@kernel.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Pratyush Anand <pratyush.anand@gmail.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-omap@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-arm-msm@vger.kernel.org
Cc: linux-tegra@vger.kernel.org
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-qcom.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-qcom.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index d8d1fb7e0b8f..5eb28251dbee 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -189,7 +189,6 @@ struct qcom_pcie { struct phy *phy; struct gpio_desc *reset; const struct qcom_pcie_ops *ops; - int gen; }; #define to_qcom_pcie(x) dev_get_drvdata((x)->dev) @@ -390,12 +389,6 @@ static int qcom_pcie_init_2_1_0(struct qcom_pcie *pcie) /* wait for clock acquisition */ usleep_range(1000, 1500); - if (pcie->gen == 1) { - val = readl(pci->dbi_base + PCIE20_LNK_CONTROL2_LINK_STATUS2); - val |= PCI_EXP_LNKSTA_CLS_2_5GB; - writel(val, pci->dbi_base + PCIE20_LNK_CONTROL2_LINK_STATUS2); - } - /* Set the Max TLP size to 2K, instead of using default of 4K */ writel(CFG_REMOTE_RD_REQ_BRIDGE_SIZE_2K, pci->dbi_base + PCIE20_AXI_MSTR_RESP_COMP_CTRL0); @@ -1395,10 +1388,6 @@ static int qcom_pcie_probe(struct platform_device *pdev) goto err_pm_runtime_put; } - pcie->gen = of_pci_get_max_link_speed(pdev->dev.of_node); - if (pcie->gen < 0) - pcie->gen = 2; - pcie->parf = devm_platform_ioremap_resource_byname(pdev, "parf"); if (IS_ERR(pcie->parf)) { ret = PTR_ERR(pcie->parf); |