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path: root/drivers/acpi/acpica/nsxfname.c
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Diffstat (limited to 'drivers/acpi/acpica/nsxfname.c')
-rw-r--r--drivers/acpi/acpica/nsxfname.c66
1 files changed, 42 insertions, 24 deletions
diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c
index 08e9610b34c..811c6f13f47 100644
--- a/drivers/acpi/acpica/nsxfname.c
+++ b/drivers/acpi/acpica/nsxfname.c
@@ -53,8 +53,8 @@
ACPI_MODULE_NAME("nsxfname")
/* Local prototypes */
-static char *acpi_ns_copy_device_id(struct acpica_device_id *dest,
- struct acpica_device_id *source,
+static char *acpi_ns_copy_device_id(struct acpi_pnp_device_id *dest,
+ struct acpi_pnp_device_id *source,
char *string_area);
/******************************************************************************
@@ -69,8 +69,8 @@ static char *acpi_ns_copy_device_id(struct acpica_device_id *dest,
* RETURN: Status
*
* DESCRIPTION: This routine will search for a caller specified name in the
- * name space. The caller can restrict the search region by
- * specifying a non NULL parent. The parent value is itself a
+ * name space. The caller can restrict the search region by
+ * specifying a non NULL parent. The parent value is itself a
* namespace handle.
*
******************************************************************************/
@@ -149,7 +149,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_handle)
* RETURN: Pointer to a string containing the fully qualified Name.
*
* DESCRIPTION: This routine returns the fully qualified name associated with
- * the Handle parameter. This and the acpi_pathname_to_handle are
+ * the Handle parameter. This and the acpi_pathname_to_handle are
* complementary functions.
*
******************************************************************************/
@@ -202,8 +202,7 @@ acpi_get_name(acpi_handle handle, u32 name_type, struct acpi_buffer * buffer)
/* Just copy the ACPI name from the Node and zero terminate it */
- ACPI_STRNCPY(buffer->pointer, acpi_ut_get_node_name(node),
- ACPI_NAME_SIZE);
+ ACPI_MOVE_NAME(buffer->pointer, acpi_ut_get_node_name(node));
((char *)buffer->pointer)[ACPI_NAME_SIZE] = 0;
status = AE_OK;
@@ -219,20 +218,21 @@ ACPI_EXPORT_SYMBOL(acpi_get_name)
*
* FUNCTION: acpi_ns_copy_device_id
*
- * PARAMETERS: dest - Pointer to the destination DEVICE_ID
- * source - Pointer to the source DEVICE_ID
+ * PARAMETERS: dest - Pointer to the destination PNP_DEVICE_ID
+ * source - Pointer to the source PNP_DEVICE_ID
* string_area - Pointer to where to copy the dest string
*
* RETURN: Pointer to the next string area
*
- * DESCRIPTION: Copy a single DEVICE_ID, including the string data.
+ * DESCRIPTION: Copy a single PNP_DEVICE_ID, including the string data.
*
******************************************************************************/
-static char *acpi_ns_copy_device_id(struct acpica_device_id *dest,
- struct acpica_device_id *source,
+static char *acpi_ns_copy_device_id(struct acpi_pnp_device_id *dest,
+ struct acpi_pnp_device_id *source,
char *string_area)
{
- /* Create the destination DEVICE_ID */
+
+ /* Create the destination PNP_DEVICE_ID */
dest->string = string_area;
dest->length = source->length;
@@ -256,8 +256,8 @@ static char *acpi_ns_copy_device_id(struct acpica_device_id *dest,
* namespace node and possibly by running several standard
* control methods (Such as in the case of a device.)
*
- * For Device and Processor objects, run the Device _HID, _UID, _CID, _STA,
- * _ADR, _sx_w, and _sx_d methods.
+ * For Device and Processor objects, run the Device _HID, _UID, _CID, _SUB,
+ * _STA, _ADR, _sx_w, and _sx_d methods.
*
* Note: Allocates the return buffer, must be freed by the caller.
*
@@ -269,9 +269,10 @@ acpi_get_object_info(acpi_handle handle,
{
struct acpi_namespace_node *node;
struct acpi_device_info *info;
- struct acpica_device_id_list *cid_list = NULL;
- struct acpica_device_id *hid = NULL;
- struct acpica_device_id *uid = NULL;
+ struct acpi_pnp_device_id_list *cid_list = NULL;
+ struct acpi_pnp_device_id *hid = NULL;
+ struct acpi_pnp_device_id *uid = NULL;
+ struct acpi_pnp_device_id *sub = NULL;
char *next_id_string;
acpi_object_type type;
acpi_name name;
@@ -316,7 +317,7 @@ acpi_get_object_info(acpi_handle handle,
if ((type == ACPI_TYPE_DEVICE) || (type == ACPI_TYPE_PROCESSOR)) {
/*
* Get extra info for ACPI Device/Processor objects only:
- * Run the Device _HID, _UID, and _CID methods.
+ * Run the Device _HID, _UID, _SUB, and _CID methods.
*
* Note: none of these methods are required, so they may or may
* not be present for this device. The Info->Valid bitfield is used
@@ -339,6 +340,14 @@ acpi_get_object_info(acpi_handle handle,
valid |= ACPI_VALID_UID;
}
+ /* Execute the Device._SUB method */
+
+ status = acpi_ut_execute_SUB(node, &sub);
+ if (ACPI_SUCCESS(status)) {
+ info_size += sub->length;
+ valid |= ACPI_VALID_SUB;
+ }
+
/* Execute the Device._CID method */
status = acpi_ut_execute_CID(node, &cid_list);
@@ -348,7 +357,7 @@ acpi_get_object_info(acpi_handle handle,
info_size +=
(cid_list->list_size -
- sizeof(struct acpica_device_id_list));
+ sizeof(struct acpi_pnp_device_id_list));
valid |= ACPI_VALID_CID;
}
}
@@ -418,16 +427,17 @@ acpi_get_object_info(acpi_handle handle,
next_id_string = ACPI_CAST_PTR(char, info->compatible_id_list.ids);
if (cid_list) {
- /* Point past the CID DEVICE_ID array */
+ /* Point past the CID PNP_DEVICE_ID array */
next_id_string +=
((acpi_size) cid_list->count *
- sizeof(struct acpica_device_id));
+ sizeof(struct acpi_pnp_device_id));
}
/*
- * Copy the HID, UID, and CIDs to the return buffer. The variable-length
- * strings are copied to the reserved area at the end of the buffer.
+ * Copy the HID, UID, SUB, and CIDs to the return buffer.
+ * The variable-length strings are copied to the reserved area
+ * at the end of the buffer.
*
* For HID and CID, check if the ID is a PCI Root Bridge.
*/
@@ -445,6 +455,11 @@ acpi_get_object_info(acpi_handle handle,
uid, next_id_string);
}
+ if (sub) {
+ next_id_string = acpi_ns_copy_device_id(&info->subsystem_id,
+ sub, next_id_string);
+ }
+
if (cid_list) {
info->compatible_id_list.count = cid_list->count;
info->compatible_id_list.list_size = cid_list->list_size;
@@ -481,6 +496,9 @@ acpi_get_object_info(acpi_handle handle,
if (uid) {
ACPI_FREE(uid);
}
+ if (sub) {
+ ACPI_FREE(sub);
+ }
if (cid_list) {
ACPI_FREE(cid_list);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-26 04:20:59 +0000