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path: root/drivers/pci/controller/dwc/pcie-qcom.c
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Diffstat (limited to 'drivers/pci/controller/dwc/pcie-qcom.c')
-rw-r--r--drivers/pci/controller/dwc/pcie-qcom.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 3aac77a295ba..1fb1c1a957cb 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -1370,6 +1370,7 @@ static int qcom_pcie_probe(struct platform_device *pdev)
struct pcie_port *pp;
struct dw_pcie *pci;
struct qcom_pcie *pcie;
+ void __iomem *atu_base;
int ret;
pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL);
@@ -1422,6 +1423,11 @@ static int qcom_pcie_probe(struct platform_device *pdev)
goto err_pm_runtime_put;
}
+ /* Get the optional ATU region if provided */
+ atu_base = devm_platform_ioremap_resource_byname(pdev, "atu");
+ if (!IS_ERR(atu_base))
+ pci->atu_base = atu_base;
+
pcie->phy = devm_phy_optional_get(dev, "pciephy");
if (IS_ERR(pcie->phy)) {
ret = PTR_ERR(pcie->phy);
@@ -1476,6 +1482,7 @@ static const struct of_device_id qcom_pcie_match[] = {
{ .compatible = "qcom,pcie-ipq4019", .data = &ops_2_4_0 },
{ .compatible = "qcom,pcie-qcs404", .data = &ops_2_4_0 },
{ .compatible = "qcom,pcie-sdm845", .data = &ops_2_7_0 },
+ { .compatible = "qcom,pcie-sm8250", .data = &ops_2_7_0 },
{ }
};
@@ -1483,6 +1490,13 @@ static void qcom_fixup_class(struct pci_dev *dev)
{
dev->class = PCI_CLASS_BRIDGE_PCI << 8;
}
+
+static void qcom_fixup_nopm(struct pci_dev *dev)
+{
+ dev->pm_cap = 0;
+ dev_info(&dev->dev, "Disabling PCI power management\n");
+}
+
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0101, qcom_fixup_class);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0104, qcom_fixup_class);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0106, qcom_fixup_class);
@@ -1490,6 +1504,7 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0107, qcom_fixup_class);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0302, qcom_fixup_class);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x1000, qcom_fixup_class);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x1001, qcom_fixup_class);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_RENESAS, 0x0014, qcom_fixup_nopm);
static struct platform_driver qcom_pcie_driver = {
.probe = qcom_pcie_probe,