diff options
Diffstat (limited to 'drivers/pci/pci-acpi.c')
| -rw-r--r-- | drivers/pci/pci-acpi.c | 25 |
1 files changed, 7 insertions, 18 deletions
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index f7ebdba14bd..ca4927ba843 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -12,9 +12,6 @@ #include <linux/pci.h> #include <linux/module.h> #include <linux/pci-aspm.h> -#include <acpi/acpi.h> -#include <acpi/acpi_bus.h> - #include <linux/pci-acpi.h> #include <linux/pm_runtime.h> #include <linux/pm_qos.h> @@ -306,25 +303,17 @@ void acpi_pci_remove_bus(struct pci_bus *bus) } /* ACPI bus type */ -static int acpi_pci_find_device(struct device *dev, acpi_handle *handle) +static struct acpi_device *acpi_pci_find_companion(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - bool is_bridge; + bool check_children; u64 addr; - /* - * pci_is_bridge() is not suitable here, because pci_dev->subordinate - * is set only after acpi_pci_find_device() has been called for the - * given device. - */ - is_bridge = pci_dev->hdr_type == PCI_HEADER_TYPE_BRIDGE - || pci_dev->hdr_type == PCI_HEADER_TYPE_CARDBUS; + check_children = pci_is_bridge(pci_dev); /* Please ref to ACPI spec for the syntax of _ADR */ addr = (PCI_SLOT(pci_dev->devfn) << 16) | PCI_FUNC(pci_dev->devfn); - *handle = acpi_find_child(ACPI_HANDLE(dev->parent), addr, is_bridge); - if (!*handle) - return -ENODEV; - return 0; + return acpi_find_child_device(ACPI_COMPANION(dev->parent), addr, + check_children); } static void pci_acpi_setup(struct device *dev) @@ -361,13 +350,13 @@ static void pci_acpi_cleanup(struct device *dev) static bool pci_acpi_bus_match(struct device *dev) { - return dev->bus == &pci_bus_type; + return dev_is_pci(dev); } static struct acpi_bus_type acpi_pci_bus = { .name = "PCI", .match = pci_acpi_bus_match, - .find_device = acpi_pci_find_device, + .find_companion = acpi_pci_find_companion, .setup = pci_acpi_setup, .cleanup = pci_acpi_cleanup, }; |