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path: root/drivers/acpi/tables/tbxface.c
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Diffstat (limited to 'drivers/acpi/tables/tbxface.c')
-rw-r--r--drivers/acpi/tables/tbxface.c246
1 files changed, 107 insertions, 139 deletions
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index e18a05d1b9b..3f96a4909aa 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -48,10 +48,8 @@
#include <acpi/acnamesp.h>
#include <acpi/actables.h>
-
#define _COMPONENT ACPI_TABLES
- ACPI_MODULE_NAME ("tbxface")
-
+ACPI_MODULE_NAME("tbxface")
/*******************************************************************************
*
@@ -65,25 +63,20 @@
* provided RSDT
*
******************************************************************************/
-
-acpi_status
-acpi_load_tables (
- void)
+acpi_status acpi_load_tables(void)
{
- struct acpi_pointer rsdp_address;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("acpi_load_tables");
+ struct acpi_pointer rsdp_address;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("acpi_load_tables");
/* Get the RSDP */
- status = acpi_os_get_root_pointer (ACPI_LOGICAL_ADDRESSING,
- &rsdp_address);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("acpi_load_tables: Could not get RSDP, %s\n",
- acpi_format_exception (status)));
+ status = acpi_os_get_root_pointer(ACPI_LOGICAL_ADDRESSING,
+ &rsdp_address);
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_ERROR(("acpi_load_tables: Could not get RSDP, %s\n",
+ acpi_format_exception(status)));
goto error_exit;
}
@@ -91,54 +84,47 @@ acpi_load_tables (
acpi_gbl_table_flags = rsdp_address.pointer_type;
- status = acpi_tb_verify_rsdp (&rsdp_address);
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("acpi_load_tables: RSDP Failed validation: %s\n",
- acpi_format_exception (status)));
+ status = acpi_tb_verify_rsdp(&rsdp_address);
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_ERROR(("acpi_load_tables: RSDP Failed validation: %s\n", acpi_format_exception(status)));
goto error_exit;
}
/* Get the RSDT via the RSDP */
- status = acpi_tb_get_table_rsdt ();
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("acpi_load_tables: Could not load RSDT: %s\n",
- acpi_format_exception (status)));
+ status = acpi_tb_get_table_rsdt();
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_ERROR(("acpi_load_tables: Could not load RSDT: %s\n", acpi_format_exception(status)));
goto error_exit;
}
/* Now get the tables needed by this subsystem (FADT, DSDT, etc.) */
- status = acpi_tb_get_required_tables ();
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR ((
- "acpi_load_tables: Error getting required tables (DSDT/FADT/FACS): %s\n",
- acpi_format_exception (status)));
+ status = acpi_tb_get_required_tables();
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_ERROR(("acpi_load_tables: Error getting required tables (DSDT/FADT/FACS): %s\n", acpi_format_exception(status)));
goto error_exit;
}
- ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "ACPI Tables successfully acquired\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI Tables successfully acquired\n"));
/* Load the namespace from the tables */
- status = acpi_ns_load_namespace ();
- if (ACPI_FAILURE (status)) {
- ACPI_REPORT_ERROR (("acpi_load_tables: Could not load namespace: %s\n",
- acpi_format_exception (status)));
+ status = acpi_ns_load_namespace();
+ if (ACPI_FAILURE(status)) {
+ ACPI_REPORT_ERROR(("acpi_load_tables: Could not load namespace: %s\n", acpi_format_exception(status)));
goto error_exit;
}
- return_ACPI_STATUS (AE_OK);
+ return_ACPI_STATUS(AE_OK);
+ error_exit:
+ ACPI_REPORT_ERROR(("acpi_load_tables: Could not load tables: %s\n",
+ acpi_format_exception(status)));
-error_exit:
- ACPI_REPORT_ERROR (("acpi_load_tables: Could not load tables: %s\n",
- acpi_format_exception (status)));
-
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
#ifdef ACPI_FUTURE_USAGE
/*******************************************************************************
*
@@ -156,43 +142,39 @@ error_exit:
*
******************************************************************************/
-acpi_status
-acpi_load_table (
- struct acpi_table_header *table_ptr)
+acpi_status acpi_load_table(struct acpi_table_header *table_ptr)
{
- acpi_status status;
- struct acpi_table_desc table_info;
- struct acpi_pointer address;
-
-
- ACPI_FUNCTION_TRACE ("acpi_load_table");
+ acpi_status status;
+ struct acpi_table_desc table_info;
+ struct acpi_pointer address;
+ ACPI_FUNCTION_TRACE("acpi_load_table");
if (!table_ptr) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Copy the table to a local buffer */
- address.pointer_type = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING;
+ address.pointer_type = ACPI_LOGICAL_POINTER | ACPI_LOGICAL_ADDRESSING;
address.pointer.logical = table_ptr;
- status = acpi_tb_get_table_body (&address, table_ptr, &table_info);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_tb_get_table_body(&address, table_ptr, &table_info);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Check signature for a valid table type */
- status = acpi_tb_recognize_table (&table_info, ACPI_TABLE_ALL);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_tb_recognize_table(&table_info, ACPI_TABLE_ALL);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Install the new table into the local data structures */
- status = acpi_tb_install_table (&table_info);
- if (ACPI_FAILURE (status)) {
+ status = acpi_tb_install_table(&table_info);
+ if (ACPI_FAILURE(status)) {
if (status == AE_ALREADY_EXISTS) {
/* Table already exists, no error */
@@ -201,8 +183,8 @@ acpi_load_table (
/* Free table allocated by acpi_tb_get_table_body */
- acpi_tb_delete_single_table (&table_info);
- return_ACPI_STATUS (status);
+ acpi_tb_delete_single_table(&table_info);
+ return_ACPI_STATUS(status);
}
/* Convert the table to common format if necessary */
@@ -210,31 +192,32 @@ acpi_load_table (
switch (table_info.type) {
case ACPI_TABLE_FADT:
- status = acpi_tb_convert_table_fadt ();
+ status = acpi_tb_convert_table_fadt();
break;
case ACPI_TABLE_FACS:
- status = acpi_tb_build_common_facs (&table_info);
+ status = acpi_tb_build_common_facs(&table_info);
break;
default:
/* Load table into namespace if it contains executable AML */
- status = acpi_ns_load_table (table_info.installed_desc, acpi_gbl_root_node);
+ status =
+ acpi_ns_load_table(table_info.installed_desc,
+ acpi_gbl_root_node);
break;
}
- if (ACPI_FAILURE (status)) {
+ if (ACPI_FAILURE(status)) {
/* Uninstall table and free the buffer */
- (void) acpi_tb_uninstall_table (table_info.installed_desc);
+ (void)acpi_tb_uninstall_table(table_info.installed_desc);
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_unload_table
@@ -247,20 +230,16 @@ acpi_load_table (
*
******************************************************************************/
-acpi_status
-acpi_unload_table (
- acpi_table_type table_type)
+acpi_status acpi_unload_table(acpi_table_type table_type)
{
- struct acpi_table_desc *table_desc;
-
-
- ACPI_FUNCTION_TRACE ("acpi_unload_table");
+ struct acpi_table_desc *table_desc;
+ ACPI_FUNCTION_TRACE("acpi_unload_table");
/* Parameter validation */
if (table_type > ACPI_TABLE_MAX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Find all tables of the requested type */
@@ -273,18 +252,17 @@ acpi_unload_table (
* "Scope" operator. Thus, we need to track ownership by an ID, not
* simply a position within the hierarchy
*/
- acpi_ns_delete_namespace_by_owner (table_desc->owner_id);
- acpi_ut_release_owner_id (&table_desc->owner_id);
+ acpi_ns_delete_namespace_by_owner(table_desc->owner_id);
+ acpi_ut_release_owner_id(&table_desc->owner_id);
table_desc = table_desc->next;
}
/* Delete (or unmap) all tables of this type */
- acpi_tb_delete_tables_by_type (table_type);
- return_ACPI_STATUS (AE_OK);
+ acpi_tb_delete_tables_by_type(table_type);
+ return_ACPI_STATUS(AE_OK);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_get_table_header
@@ -307,54 +285,49 @@ acpi_unload_table (
******************************************************************************/
acpi_status
-acpi_get_table_header (
- acpi_table_type table_type,
- u32 instance,
- struct acpi_table_header *out_table_header)
+acpi_get_table_header(acpi_table_type table_type,
+ u32 instance, struct acpi_table_header *out_table_header)
{
- struct acpi_table_header *tbl_ptr;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("acpi_get_table_header");
+ struct acpi_table_header *tbl_ptr;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("acpi_get_table_header");
- if ((instance == 0) ||
- (table_type == ACPI_TABLE_RSDP) ||
- (!out_table_header)) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ if ((instance == 0) ||
+ (table_type == ACPI_TABLE_RSDP) || (!out_table_header)) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Check the table type and instance */
- if ((table_type > ACPI_TABLE_MAX) ||
- (ACPI_IS_SINGLE_TABLE (acpi_gbl_table_data[table_type].flags) &&
- instance > 1)) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ if ((table_type > ACPI_TABLE_MAX) ||
+ (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) &&
+ instance > 1)) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Get a pointer to the entire table */
- status = acpi_tb_get_table_ptr (table_type, instance, &tbl_ptr);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_tb_get_table_ptr(table_type, instance, &tbl_ptr);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* The function will return a NULL pointer if the table is not loaded */
if (tbl_ptr == NULL) {
- return_ACPI_STATUS (AE_NOT_EXIST);
+ return_ACPI_STATUS(AE_NOT_EXIST);
}
/* Copy the header to the caller's buffer */
- ACPI_MEMCPY ((void *) out_table_header, (void *) tbl_ptr,
- sizeof (struct acpi_table_header));
+ ACPI_MEMCPY((void *)out_table_header, (void *)tbl_ptr,
+ sizeof(struct acpi_table_header));
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-#endif /* ACPI_FUTURE_USAGE */
+#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
*
@@ -380,43 +353,39 @@ acpi_get_table_header (
******************************************************************************/
acpi_status
-acpi_get_table (
- acpi_table_type table_type,
- u32 instance,
- struct acpi_buffer *ret_buffer)
+acpi_get_table(acpi_table_type table_type,
+ u32 instance, struct acpi_buffer *ret_buffer)
{
- struct acpi_table_header *tbl_ptr;
- acpi_status status;
- acpi_size table_length;
-
-
- ACPI_FUNCTION_TRACE ("acpi_get_table");
+ struct acpi_table_header *tbl_ptr;
+ acpi_status status;
+ acpi_size table_length;
+ ACPI_FUNCTION_TRACE("acpi_get_table");
/* Parameter validation */
if (instance == 0) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- status = acpi_ut_validate_buffer (ret_buffer);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_validate_buffer(ret_buffer);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Check the table type and instance */
- if ((table_type > ACPI_TABLE_MAX) ||
- (ACPI_IS_SINGLE_TABLE (acpi_gbl_table_data[table_type].flags) &&
- instance > 1)) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ if ((table_type > ACPI_TABLE_MAX) ||
+ (ACPI_IS_SINGLE_TABLE(acpi_gbl_table_data[table_type].flags) &&
+ instance > 1)) {
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
/* Get a pointer to the entire table */
- status = acpi_tb_get_table_ptr (table_type, instance, &tbl_ptr);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_tb_get_table_ptr(table_type, instance, &tbl_ptr);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/*
@@ -424,7 +393,7 @@ acpi_get_table (
* table is not loaded.
*/
if (tbl_ptr == NULL) {
- return_ACPI_STATUS (AE_NOT_EXIST);
+ return_ACPI_STATUS(AE_NOT_EXIST);
}
/* Get the table length */
@@ -432,23 +401,22 @@ acpi_get_table (
if (table_type == ACPI_TABLE_RSDP) {
/* RSD PTR is the only "table" without a header */
- table_length = sizeof (struct rsdp_descriptor);
- }
- else {
+ table_length = sizeof(struct rsdp_descriptor);
+ } else {
table_length = (acpi_size) tbl_ptr->length;
}
/* Validate/Allocate/Clear caller buffer */
- status = acpi_ut_initialize_buffer (ret_buffer, table_length);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_initialize_buffer(ret_buffer, table_length);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
/* Copy the table to the buffer */
- ACPI_MEMCPY ((void *) ret_buffer->pointer, (void *) tbl_ptr, table_length);
- return_ACPI_STATUS (AE_OK);
+ ACPI_MEMCPY((void *)ret_buffer->pointer, (void *)tbl_ptr, table_length);
+ return_ACPI_STATUS(AE_OK);
}
-EXPORT_SYMBOL(acpi_get_table);
+EXPORT_SYMBOL(acpi_get_table);