diff options
Diffstat (limited to 'drivers/thunderbolt/nhi.c')
| -rw-r--r-- | drivers/thunderbolt/nhi.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c index a0386d1e3fc9..478bf6701145 100644 --- a/drivers/thunderbolt/nhi.c +++ b/drivers/thunderbolt/nhi.c @@ -17,7 +17,6 @@ #include <linux/module.h> #include <linux/delay.h> #include <linux/property.h> -#include <linux/platform_data/x86/apple.h> #include "nhi.h" #include "nhi_regs.h" @@ -1127,69 +1126,6 @@ static bool nhi_imr_valid(struct pci_dev *pdev) return true; } -/* - * During suspend the Thunderbolt controller is reset and all PCIe - * tunnels are lost. The NHI driver will try to reestablish all tunnels - * during resume. This adds device links between the tunneled PCIe - * downstream ports and the NHI so that the device core will make sure - * NHI is resumed first before the rest. - */ -static void tb_apple_add_links(struct tb_nhi *nhi) -{ - struct pci_dev *upstream, *pdev; - - if (!x86_apple_machine) - return; - - switch (nhi->pdev->device) { - case PCI_DEVICE_ID_INTEL_LIGHT_RIDGE: - case PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C: - case PCI_DEVICE_ID_INTEL_FALCON_RIDGE_2C_NHI: - case PCI_DEVICE_ID_INTEL_FALCON_RIDGE_4C_NHI: - break; - default: - return; - } - - upstream = pci_upstream_bridge(nhi->pdev); - while (upstream) { - if (!pci_is_pcie(upstream)) - return; - if (pci_pcie_type(upstream) == PCI_EXP_TYPE_UPSTREAM) - break; - upstream = pci_upstream_bridge(upstream); - } - - if (!upstream) - return; - - /* - * For each hotplug downstream port, create add device link - * back to NHI so that PCIe tunnels can be re-established after - * sleep. - */ - for_each_pci_bridge(pdev, upstream->subordinate) { - const struct device_link *link; - - if (!pci_is_pcie(pdev)) - continue; - if (pci_pcie_type(pdev) != PCI_EXP_TYPE_DOWNSTREAM || - !pdev->is_hotplug_bridge) - continue; - - link = device_link_add(&pdev->dev, &nhi->pdev->dev, - DL_FLAG_AUTOREMOVE_SUPPLIER | - DL_FLAG_PM_RUNTIME); - if (link) { - dev_dbg(&nhi->pdev->dev, "created link from %s\n", - dev_name(&pdev->dev)); - } else { - dev_warn(&nhi->pdev->dev, "device link creation from %s failed\n", - dev_name(&pdev->dev)); - } - } -} - static struct tb *nhi_select_cm(struct tb_nhi *nhi) { struct tb *tb; @@ -1278,9 +1214,6 @@ static int nhi_probe(struct pci_dev *pdev, const struct pci_device_id *id) return res; } - tb_apple_add_links(nhi); - tb_acpi_add_links(nhi); - tb = nhi_select_cm(nhi); if (!tb) { dev_err(&nhi->pdev->dev, |