diff options
Diffstat (limited to 'drivers/acpi/tables')
| -rw-r--r-- | drivers/acpi/tables/tbget.c | 40 | ||||
| -rw-r--r-- | drivers/acpi/tables/tbrsdt.c | 11 |
2 files changed, 16 insertions, 35 deletions
diff --git a/drivers/acpi/tables/tbget.c b/drivers/acpi/tables/tbget.c index 3a4f46ca388..99eacceff56 100644 --- a/drivers/acpi/tables/tbget.c +++ b/drivers/acpi/tables/tbget.c @@ -417,7 +417,7 @@ acpi_tb_get_this_table(struct acpi_pointer *address, * * PARAMETERS: table_type - one of the defined table types * Instance - Which table of this type - * table_ptr_loc - pointer to location to place the pointer for + * return_table - pointer to location to place the pointer for * return * * RETURN: Status @@ -428,58 +428,34 @@ acpi_tb_get_this_table(struct acpi_pointer *address, acpi_status acpi_tb_get_table_ptr(acpi_table_type table_type, - u32 instance, struct acpi_table_header **table_ptr_loc) + u32 instance, struct acpi_table_header **return_table) { struct acpi_table_desc *table_desc; u32 i; ACPI_FUNCTION_TRACE(tb_get_table_ptr); - if (!acpi_gbl_DSDT) { - return_ACPI_STATUS(AE_NO_ACPI_TABLES); - } - if (table_type > ACPI_TABLE_ID_MAX) { return_ACPI_STATUS(AE_BAD_PARAMETER); } - /* - * For all table types (Single/Multiple), the first - * instance is always in the list head. - */ - if (instance == 1) { - - /* Get the first */ - - *table_ptr_loc = NULL; - if (acpi_gbl_table_lists[table_type].next) { - *table_ptr_loc = - acpi_gbl_table_lists[table_type].next->pointer; - } - return_ACPI_STATUS(AE_OK); - } - - /* Check for instance out of range */ + /* Check for instance out of range of the current table count */ if (instance > acpi_gbl_table_lists[table_type].count) { return_ACPI_STATUS(AE_NOT_EXIST); } - /* Walk the list to get the desired table - * Since the if (Instance == 1) check above checked for the - * first table, setting table_desc equal to the .Next member - * is actually pointing to the second table. Therefore, we - * need to walk from the 2nd table until we reach the Instance - * that the user is looking for and return its table pointer. + /* + * Walk the list to get the desired table + * Note: Instance is one-based */ table_desc = acpi_gbl_table_lists[table_type].next; - for (i = 2; i < instance; i++) { + for (i = 1; i < instance; i++) { table_desc = table_desc->next; } /* We are now pointing to the requested table's descriptor */ - *table_ptr_loc = table_desc->pointer; - + *return_table = table_desc->pointer; return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c index 494965229fa..abcb08c2592 100644 --- a/drivers/acpi/tables/tbrsdt.c +++ b/drivers/acpi/tables/tbrsdt.c @@ -78,7 +78,7 @@ acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address) */ status = acpi_os_map_memory(address->pointer.physical, sizeof(struct rsdp_descriptor), - (void *)&rsdp); + ACPI_CAST_PTR(void, &rsdp)); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -95,11 +95,16 @@ acpi_status acpi_tb_verify_rsdp(struct acpi_pointer *address) goto cleanup; } - /* The RSDP supplied is OK */ + /* RSDP is ok. Init the table info */ table_info.pointer = ACPI_CAST_PTR(struct acpi_table_header, rsdp); table_info.length = sizeof(struct rsdp_descriptor); - table_info.allocation = ACPI_MEM_MAPPED; + + if (address->pointer_type == ACPI_PHYSICAL_POINTER) { + table_info.allocation = ACPI_MEM_MAPPED; + } else { + table_info.allocation = ACPI_MEM_NOT_ALLOCATED; + } /* Save the table pointers and allocation info */ |