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path: root/drivers/pnp/pnpacpi/core.c
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Diffstat (limited to 'drivers/pnp/pnpacpi/core.c')
-rw-r--r--drivers/pnp/pnpacpi/core.c28
1 files changed, 4 insertions, 24 deletions
diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index c31aa07b3ba5..b81448b2c75d 100644
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -30,26 +30,6 @@
static int num;
-/* We need only to blacklist devices that have already an acpi driver that
- * can't use pnp layer. We don't need to blacklist device that are directly
- * used by the kernel (PCI root, ...), as it is harmless and there were
- * already present in pnpbios. But there is an exception for devices that
- * have irqs (PIC, Timer) because we call acpi_register_gsi.
- * Finally, only devices that have a CRS method need to be in this list.
- */
-static struct acpi_device_id excluded_id_list[] __initdata = {
- {"PNP0C09", 0}, /* EC */
- {"PNP0C0F", 0}, /* Link device */
- {"PNP0000", 0}, /* PIC */
- {"PNP0100", 0}, /* Timer */
- {"", 0},
-};
-
-static inline int __init is_exclusive_device(struct acpi_device *dev)
-{
- return (!acpi_match_device_ids(dev, excluded_id_list));
-}
-
/*
* Compatible Device IDs
*/
@@ -266,7 +246,7 @@ static int __init pnpacpi_add_device(struct acpi_device *device)
if (!pnpid)
return 0;
- if (is_exclusive_device(device) || !device->status.present)
+ if (!device->status.present)
return 0;
dev = pnp_alloc_dev(&pnpacpi_protocol, num, pnpid);
@@ -326,10 +306,10 @@ static acpi_status __init pnpacpi_add_device_handler(acpi_handle handle,
{
struct acpi_device *device;
- if (!acpi_bus_get_device(handle, &device))
- pnpacpi_add_device(device);
- else
+ if (acpi_bus_get_device(handle, &device))
return AE_CTRL_DEPTH;
+ if (acpi_is_pnp_device(device))
+ pnpacpi_add_device(device);
return AE_OK;
}