diff options
| author | Jiri Slaby <jirislaby@gmail.com> | 2008-08-18 20:22:54 +0200 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2008-08-18 22:48:04 +0200 |
| commit | 056c58e8eb4d6765214757e541b68095e2eb2bd2 (patch) | |
| tree | a6d7a8c5df552347aca6588b432b9f0ae3939a59 /include | |
| parent | PCI: acpi_pcihp: run _OSC on a root bridge (diff) | |
| download | linux-056c58e8eb4d6765214757e541b68095e2eb2bd2.tar.xz linux-056c58e8eb4d6765214757e541b68095e2eb2bd2.zip | |
PCI: add acpi_find_root_bridge_handle
Consolidate finding of a root bridge and getting its handle to the one
inline function. It's cut & pasted on multiple places. Use this new
inline in those.
Cc: kristen.c.accardi@intel.com
Acked-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pci-acpi.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index 3ba25065fa96..8837928fbf33 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -57,6 +57,15 @@ static inline acpi_status pcie_osc_support_set(u32 flags) { return __pci_osc_support_set(flags, PCI_EXPRESS_ROOT_HID_STRING); } +static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) +{ + /* Find root host bridge */ + while (pdev->bus->self) + pdev = pdev->bus->self; + + return acpi_get_pci_rootbridge_handle(pci_domain_nr(pdev->bus), + pdev->bus->number); +} #else #if !defined(AE_ERROR) typedef u32 acpi_status; @@ -66,6 +75,8 @@ static inline acpi_status pci_osc_control_set(acpi_handle handle, u32 flags) {return AE_ERROR;} static inline acpi_status pci_osc_support_set(u32 flags) {return AE_ERROR;} static inline acpi_status pcie_osc_support_set(u32 flags) {return AE_ERROR;} +static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev) +{ return NULL; } #endif #endif /* _PCI_ACPI_H_ */ |