ACPI: remove acpi_device.flags.compatible_ids

We now keep a single list of IDs that includes both the _HID and any
_CIDs.  We no longer need to keep track of whether the device has a _CID.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>

2 files changed, 5 insertions, 13 deletions

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 2e8889f62666..395ae129aae0 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -47,7 +47,7 @@ static int create_modalias(struct acpi_device *acpi_dev, char *modalias,
         int count;
         struct acpi_hardware_id *id;
 
-        if (!acpi_dev->flags.hardware_id && !acpi_dev->flags.compatible_ids)
+        if (!acpi_dev->flags.hardware_id)
                 return -ENODEV;
 
         len = snprintf(modalias, size, "acpi:");
@@ -209,7 +209,7 @@ static int acpi_device_setup_files(struct acpi_device *dev)
                         goto end;
         }
 
-        if (dev->flags.hardware_id || dev->flags.compatible_ids) {
+        if (dev->flags.hardware_id) {
                 result = device_create_file(&dev->dev, &dev_attr_modalias);
                 if (result)
                         goto end;
@@ -239,7 +239,7 @@ static void acpi_device_remove_files(struct acpi_device *dev)
         if (ACPI_SUCCESS(status))
                 device_remove_file(&dev->dev, &dev_attr_eject);
 
-        if (dev->flags.hardware_id || dev->flags.compatible_ids)
+        if (dev->flags.hardware_id)
                 device_remove_file(&dev->dev, &dev_attr_modalias);
 
         if (dev->flags.hardware_id)
@@ -876,11 +876,6 @@ static int acpi_bus_get_flags(struct acpi_device *device)
         if (ACPI_SUCCESS(status))
                 device->flags.dynamic_status = 1;
 
-        /* Presence of _CID indicates 'compatible_ids' */
-        status = acpi_get_handle(device->handle, "_CID", &temp);
-        if (ACPI_SUCCESS(status))
-                device->flags.compatible_ids = 1;
-
         /* Presence of _RMV indicates 'removable' */
         status = acpi_get_handle(device->handle, "_RMV", &temp);
         if (ACPI_SUCCESS(status))
@@ -1125,10 +1120,8 @@ static void acpi_device_set_id(struct acpi_device *device)
         if (cid_list)
                 for (i = 0; i < cid_list->count; i++)
                         acpi_add_id(device, cid_list->ids[i].string);
-        if (cid_add) {
+        if (cid_add)
                 acpi_add_id(device, cid_add);
-                device->flags.compatible_ids = 1;
-        }
 
         kfree(info);
 }
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index c2c434626edc..0a970e4ade6f 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -142,7 +142,6 @@ struct acpi_device_status {
 struct acpi_device_flags {
         u32 dynamic_status:1;
         u32 hardware_id:1;
-        u32 compatible_ids:1;
         u32 bus_address:1;
         u32 unique_id:1;
         u32 removable:1;
@@ -153,7 +152,7 @@ struct acpi_device_flags {
         u32 performance_manageable:1;
         u32 wake_capable:1;     /* Wakeup(_PRW) supported? */
         u32 force_power_state:1;
-        u32 reserved:19;
+        u32 reserved:20;
 };
 
 /* File System */