ACPI: maintain a single list of _HID and _CID IDs

There's no need to treat _HID and _CID differently.  Keeping them in
a single list makes code that uses the IDs a little simpler because it
can just traverse the list rather than checking "do we have a HID?",
"do we have any CIDs?"

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

1 files changed, 7 insertions, 3 deletions

diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 670f7f33837e..c2c434626edc 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -171,19 +171,23 @@ typedef unsigned long acpi_bus_address;
 typedef char acpi_device_name[40];
 typedef char acpi_device_class[20];
 
+struct acpi_hardware_id {
+        struct list_head list;
+        char *id;
+};
+
 struct acpi_device_pnp {
         acpi_bus_id bus_id;     /* Object name */
         acpi_bus_address bus_address;   /* _ADR */
-        char *hardware_id;      /* _HID */
-        struct acpica_device_id_list *cid_list; /* _CIDs */
         char *unique_id;        /* _UID */
+        struct list_head ids;           /* _HID and _CIDs */
         acpi_device_name device_name;   /* Driver-determined */
         acpi_device_class device_class; /*        "          */
 };
 
 #define acpi_device_bid(d)      ((d)->pnp.bus_id)
 #define acpi_device_adr(d)      ((d)->pnp.bus_address)
-#define acpi_device_hid(d)      ((d)->pnp.hardware_id)
+char *acpi_device_hid(struct acpi_device *device);
 #define acpi_device_uid(d)      ((d)->pnp.unique_id)
 #define acpi_device_name(d)     ((d)->pnp.device_name)
 #define acpi_device_class(d)    ((d)->pnp.device_class)