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ACPI: maintain a single list of _HID and _CID IDs

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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>
This commit is contained in:
Bjorn Helgaas
2009-09-21 13:35:19 -06:00
committed by Len Brown
parent b1fbfb2ae8
commit 7f47fa6c2f
3 changed files with 60 additions and 132 deletions
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10
include/acpi/acpi_bus.h
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@@ -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)