diff options
Diffstat (limited to 'drivers/acpi/acpica/utmisc.c')
| -rw-r--r-- | drivers/acpi/acpica/utmisc.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c index fbe782348b0..9cd65334ca7 100644 --- a/drivers/acpi/acpica/utmisc.c +++ b/drivers/acpi/acpica/utmisc.c @@ -120,6 +120,34 @@ const char *acpi_ut_validate_exception(acpi_status status) /******************************************************************************* * + * FUNCTION: acpi_ut_is_pci_root_bridge + * + * PARAMETERS: Id - The HID/CID in string format + * + * RETURN: TRUE if the Id is a match for a PCI/PCI-Express Root Bridge + * + * DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID. + * + ******************************************************************************/ + +u8 acpi_ut_is_pci_root_bridge(char *id) +{ + + /* + * Check if this is a PCI root bridge. + * ACPI 3.0+: check for a PCI Express root also. + */ + if (!(ACPI_STRCMP(id, + PCI_ROOT_HID_STRING)) || + !(ACPI_STRCMP(id, PCI_EXPRESS_ROOT_HID_STRING))) { + return (TRUE); + } + + return (FALSE); +} + +/******************************************************************************* + * * FUNCTION: acpi_ut_is_aml_table * * PARAMETERS: Table - An ACPI table |