diff options
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-qcom.c')
-rw-r--r-- | drivers/pci/controller/dwc/pcie-qcom.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index affa2713bf80..f14ecff4fb61 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -159,8 +159,9 @@ struct qcom_pcie_resources_2_3_3 { struct reset_control *rst[7]; }; +#define QCOM_PCIE_2_7_0_MAX_CLOCKS 6 struct qcom_pcie_resources_2_7_0 { - struct clk_bulk_data clks[6]; + struct clk_bulk_data clks[QCOM_PCIE_2_7_0_MAX_CLOCKS + 1]; /* + 1 for sf_tbu */ struct regulator_bulk_data supplies[2]; struct reset_control *pci_reset; struct clk *pipe_clk; @@ -1153,10 +1154,15 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie) res->clks[4].id = "slave_q2a"; res->clks[5].id = "tbu"; - ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks); + ret = devm_clk_bulk_get(dev, QCOM_PCIE_2_7_0_MAX_CLOCKS, res->clks); if (ret < 0) return ret; + /* Optional clock for SM8250 */ + res->clks[6].clk = devm_clk_get_optional(dev, "ddrss_sf_tbu"); + if (IS_ERR(res->clks[6].clk)) + return PTR_ERR(res->clks[6].clk); + res->pipe_clk = devm_clk_get(dev, "pipe"); return PTR_ERR_OR_ZERO(res->pipe_clk); } @@ -1552,6 +1558,13 @@ 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); @@ -1559,6 +1572,7 @@ 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, |