Intel 9260 WiFi on jetson nano / jetbot

Robotics & Edge Computing Jetson & Embedded Systems Jetson Nano
46

Hi,

I can access BAR if I disable Gen2. I need to do more debugging to give proper fix for the issue. I am working on multiple issues, so it will 2-3 days to get back on this issue. Meanwhile, try with below patch which disables Gen2.

diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 7b6fbd5d90a8..7d2eb40740c6 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -2708,6 +2708,7 @@ static int tegra_pcie_scale_voltage(struct tegra_pcie *pcie)
        return err;
 }

+#if 0
 static void tegra_pcie_change_link_speed(struct tegra_pcie *pcie,
                                struct pci_dev *pdev, bool isGen2)
 {
@@ -2814,16 +2815,21 @@ static void tegra_pcie_change_link_speed(struct tegra_pcie *pcie,
 skip:
        return;
 }
+#endif

 static void tegra_pcie_link_speed(struct tegra_pcie *pcie, bool isGen2)
 {
+#if 0
        struct pci_dev *pdev = NULL;
+#endif

        PR_FUNC_LINE;
        /* Voltage scaling should happen before any device transition */
        /* to Gen2 or after all devices has transitioned to Gen1 */
+#if 0
        for_each_pci_dev(pdev)
                tegra_pcie_change_link_speed(pcie, pdev, isGen2);
+#endif

        tegra_pcie_scale_voltage(pcie);

-Manikanta