diff options
Diffstat (limited to 'drivers/acpi/acpica/tbxface.c')
| -rw-r--r-- | drivers/acpi/acpica/tbxface.c | 71 |
1 files changed, 18 insertions, 53 deletions
diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index ab0aff3c7d6a..a88f02bd6c94 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -150,8 +150,7 @@ acpi_initialize_tables(struct acpi_table_desc * initial_table_array, * Root Table Array. This array contains the information of the RSDT/XSDT * in a common, more useable format. */ - status = - acpi_tb_parse_root_table(rsdp_address, ACPI_TABLE_ORIGIN_MAPPED); + status = acpi_tb_parse_root_table(rsdp_address); return_ACPI_STATUS(status); } @@ -247,7 +246,7 @@ acpi_status acpi_load_table(struct acpi_table_header *table_ptr) ACPI_EXPORT_SYMBOL(acpi_load_table) -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_get_table_header * @@ -262,7 +261,7 @@ ACPI_EXPORT_SYMBOL(acpi_load_table) * NOTE: Caller is responsible in unmapping the header with * acpi_os_unmap_memory * - *****************************************************************************/ + ******************************************************************************/ acpi_status acpi_get_table_header(char *signature, u32 instance, struct acpi_table_header *out_table_header) @@ -277,9 +276,8 @@ acpi_get_table_header(char *signature, return (AE_BAD_PARAMETER); } - /* - * Walk the root table list - */ + /* Walk the root table list */ + for (i = 0, j = 0; i < acpi_gbl_root_table_list.count; i++) { if (!ACPI_COMPARE_NAME (&(acpi_gbl_root_table_list.tables[i].signature), @@ -292,8 +290,8 @@ acpi_get_table_header(char *signature, } if (!acpi_gbl_root_table_list.tables[i].pointer) { - if ((acpi_gbl_root_table_list.tables[i]. - flags & ACPI_TABLE_ORIGIN_MASK) == + if ((acpi_gbl_root_table_list.tables[i].flags & + ACPI_TABLE_ORIGIN_MASK) == ACPI_TABLE_ORIGIN_MAPPED) { header = acpi_os_map_memory(acpi_gbl_root_table_list. @@ -324,7 +322,7 @@ acpi_get_table_header(char *signature, ACPI_EXPORT_SYMBOL(acpi_get_table_header) -/****************************************************************************** +/******************************************************************************* * * FUNCTION: acpi_unload_table_id * @@ -375,7 +373,7 @@ ACPI_EXPORT_SYMBOL(acpi_unload_table_id) * * DESCRIPTION: Finds and verifies an ACPI table. * - *****************************************************************************/ + ******************************************************************************/ acpi_status acpi_get_table_with_size(char *signature, u32 instance, struct acpi_table_header **out_table, @@ -391,9 +389,8 @@ acpi_get_table_with_size(char *signature, return (AE_BAD_PARAMETER); } - /* - * Walk the root table list - */ + /* Walk the root table list */ + for (i = 0, j = 0; i < acpi_gbl_root_table_list.count; i++) { if (!ACPI_COMPARE_NAME (&(acpi_gbl_root_table_list.tables[i].signature), @@ -502,7 +499,6 @@ ACPI_EXPORT_SYMBOL(acpi_get_table_by_index) static acpi_status acpi_tb_load_namespace(void) { acpi_status status; - struct acpi_table_header *table; u32 i; ACPI_FUNCTION_TRACE(tb_load_namespace); @@ -526,58 +522,28 @@ static acpi_status acpi_tb_load_namespace(void) goto unlock_and_exit; } - /* - * Find DSDT table - */ - status = - acpi_os_table_override(acpi_gbl_root_table_list. - tables[ACPI_TABLE_INDEX_DSDT].pointer, - &table); - if (ACPI_SUCCESS(status) && table) { - /* - * DSDT table has been found - */ - acpi_tb_delete_table(&acpi_gbl_root_table_list. - tables[ACPI_TABLE_INDEX_DSDT]); - acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].pointer = - table; - acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].length = - table->length; - acpi_gbl_root_table_list.tables[ACPI_TABLE_INDEX_DSDT].flags = - ACPI_TABLE_ORIGIN_UNKNOWN; - - ACPI_INFO((AE_INFO, "Table DSDT replaced by host OS")); - acpi_tb_print_table_header(0, table); - - if (no_auto_ssdt == 0) { - printk(KERN_WARNING "ACPI: DSDT override uses original SSDTs unless \"acpi_no_auto_ssdt\"\n"); - } - } + /* A valid DSDT is required */ status = acpi_tb_verify_table(&acpi_gbl_root_table_list. tables[ACPI_TABLE_INDEX_DSDT]); if (ACPI_FAILURE(status)) { - /* A valid DSDT is required */ - status = AE_NO_ACPI_TABLES; goto unlock_and_exit; } (void)acpi_ut_release_mutex(ACPI_MTX_TABLES); - /* - * Load and parse tables. - */ + /* Load and parse tables */ + status = acpi_ns_load_table(ACPI_TABLE_INDEX_DSDT, acpi_gbl_root_node); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } - /* - * Load any SSDT or PSDT tables. Note: Loop leaves tables locked - */ + /* Load any SSDT or PSDT tables. Note: Loop leaves tables locked */ + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); for (i = 0; i < acpi_gbl_root_table_list.count; ++i) { if ((!ACPI_COMPARE_NAME @@ -630,9 +596,8 @@ acpi_status acpi_load_tables(void) ACPI_FUNCTION_TRACE(acpi_load_tables); - /* - * Load the namespace from the tables - */ + /* Load the namespace from the tables */ + status = acpi_tb_load_namespace(); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, |