diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/acpi/scan.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 25a46ae24229..b44b2d6b6b22 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -719,25 +719,40 @@ int acpi_device_add(struct acpi_device *device, /* -------------------------------------------------------------------------- Device Enumeration -------------------------------------------------------------------------- */ -static bool acpi_info_matches_hids(struct acpi_device_info *info, - const char * const hids[]) +static bool acpi_info_matches_ids(struct acpi_device_info *info, + const char * const ids[]) { + struct acpi_pnp_device_id_list *cid_list = NULL; int i; if (!(info->valid & ACPI_VALID_HID)) return false; - for (i = 0; hids[i]; i++) { - if (!strcmp(info->hardware_id.string, hids[i])) + if (info->valid & ACPI_VALID_CID) + cid_list = &info->compatible_id_list; + + for (i = 0; ids[i]; i++) { + int j; + + if (!strcmp(info->hardware_id.string, ids[i])) return true; + + if (!cid_list) + continue; + + for (j = 0; j < cid_list->count; j++) { + if (!strcmp(cid_list->ids[j].string, ids[i])) + return true; + } } return false; } /* List of HIDs for which we ignore matching ACPI devices, when checking _DEP lists. */ -static const char * const acpi_ignore_dep_hids[] = { +static const char * const acpi_ignore_dep_ids[] = { "INT3396", /* Windows System Power Management Controller */ + "PNP0D80", /* Windows-compatible System Power Management Controller */ NULL }; @@ -1857,7 +1872,7 @@ static void acpi_device_dep_initialize(struct acpi_device *adev) continue; } - skip = acpi_info_matches_hids(info, acpi_ignore_dep_hids); + skip = acpi_info_matches_ids(info, acpi_ignore_dep_ids); kfree(info); if (skip) |