diff options
Diffstat (limited to 'drivers/pci/hotplug/pciehp_acpi.c')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_acpi.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/pci/hotplug/pciehp_acpi.c b/drivers/pci/hotplug/pciehp_acpi.c index 2574700db46..93cc9266e8c 100644 --- a/drivers/pci/hotplug/pciehp_acpi.c +++ b/drivers/pci/hotplug/pciehp_acpi.c @@ -27,6 +27,7 @@ #include <linux/pci.h> #include <linux/pci_hotplug.h> #include <linux/slab.h> +#include <linux/module.h> #include "pciehp.h" #define PCIEHP_DETECT_PCIE (0) @@ -53,7 +54,7 @@ int pciehp_acpi_slot_detection_check(struct pci_dev *dev) { if (slot_detection_mode != PCIEHP_DETECT_ACPI) return 0; - if (acpi_pci_detect_ejectable(DEVICE_ACPI_HANDLE(&dev->dev))) + if (acpi_pci_detect_ejectable(ACPI_HANDLE(&dev->dev))) return 0; return -ENODEV; } @@ -77,45 +78,43 @@ static int __initdata dup_slot_id; static int __initdata acpi_slot_detected; static struct list_head __initdata dummy_slots = LIST_HEAD_INIT(dummy_slots); -/* Dummy driver for dumplicate name detection */ +/* Dummy driver for duplicate name detection */ static int __init dummy_probe(struct pcie_device *dev) { - int pos; u32 slot_cap; acpi_handle handle; struct dummy_slot *slot, *tmp; struct pci_dev *pdev = dev->port; - pos = pci_pcie_cap(pdev); - if (!pos) - return -ENODEV; - pci_read_config_dword(pdev, pos + PCI_EXP_SLTCAP, &slot_cap); + pcie_capability_read_dword(pdev, PCI_EXP_SLTCAP, &slot_cap); slot = kzalloc(sizeof(*slot), GFP_KERNEL); if (!slot) return -ENOMEM; - slot->number = slot_cap >> 19; + slot->number = (slot_cap & PCI_EXP_SLTCAP_PSN) >> 19; list_for_each_entry(tmp, &dummy_slots, list) { if (tmp->number == slot->number) dup_slot_id++; } list_add_tail(&slot->list, &dummy_slots); - handle = DEVICE_ACPI_HANDLE(&pdev->dev); + handle = ACPI_HANDLE(&pdev->dev); if (!acpi_slot_detected && acpi_pci_detect_ejectable(handle)) acpi_slot_detected = 1; return -ENODEV; /* dummy driver always returns error */ } static struct pcie_port_service_driver __initdata dummy_driver = { - .name = "pciehp_dummy", + .name = "pciehp_dummy", .port_type = PCIE_ANY_PORT, .service = PCIE_PORT_SERVICE_HP, - .probe = dummy_probe, + .probe = dummy_probe, }; static int __init select_detection_mode(void) { struct dummy_slot *slot, *tmp; - pcie_port_service_register(&dummy_driver); + + if (pcie_port_service_register(&dummy_driver)) + return PCIEHP_DETECT_ACPI; pcie_port_service_unregister(&dummy_driver); list_for_each_entry_safe(slot, tmp, &dummy_slots, list) { list_del(&slot->list); |