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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.c18
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,