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path: root/drivers/acpi/acpi_platform.c
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Diffstat (limited to 'drivers/acpi/acpi_platform.c')
-rw-r--r--drivers/acpi/acpi_platform.c44
1 files changed, 8 insertions, 36 deletions
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
index 3bb89def2292..2bf9082f7523 100644
--- a/drivers/acpi/acpi_platform.c
+++ b/drivers/acpi/acpi_platform.c
@@ -22,25 +22,11 @@
ACPI_MODULE_NAME("platform");
-/*
- * The following ACPI IDs are known to be suitable for representing as
- * platform devices.
- */
-static const struct acpi_device_id acpi_platform_device_ids[] = {
-
- { "PNP0D40" },
- { "VPC2004" },
- { "BCM4752" },
- { "LNV4752" },
- { "BCM2E1A" },
- { "BCM2E39" },
- { "BCM2E3D" },
-
- /* Intel Smart Sound Technology */
- { "INT33C8" },
- { "80860F28" },
-
- { }
+static const struct acpi_device_id forbidden_id_list[] = {
+ {"PNP0000", 0}, /* PIC */
+ {"PNP0100", 0}, /* Timer */
+ {"PNP0200", 0}, /* AT DMA Controller */
+ {"", 0},
};
/**
@@ -67,6 +53,9 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev)
if (adev->physical_node_count)
return NULL;
+ if (!acpi_match_device_ids(adev, forbidden_id_list))
+ return ERR_PTR(-EINVAL);
+
INIT_LIST_HEAD(&resource_list);
count = acpi_dev_get_resources(adev, &resource_list, NULL, NULL);
if (count < 0) {
@@ -124,20 +113,3 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev)
kfree(resources);
return pdev;
}
-
-static int acpi_platform_attach(struct acpi_device *adev,
- const struct acpi_device_id *id)
-{
- acpi_create_platform_device(adev);
- return 1;
-}
-
-static struct acpi_scan_handler platform_handler = {
- .ids = acpi_platform_device_ids,
- .attach = acpi_platform_attach,
-};
-
-void __init acpi_platform_init(void)
-{
- acpi_scan_add_handler(&platform_handler);
-}