diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/tables/tbutils.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c index 2f4ab751d77..77c7e873ec3 100644 --- a/drivers/acpi/tables/tbutils.c +++ b/drivers/acpi/tables/tbutils.c @@ -131,6 +131,8 @@ acpi_tb_print_table_header(acpi_physical_address address, ((struct acpi_table_rsdp *)header)->revision, ((struct acpi_table_rsdp *)header)->oem_id)); } else { + /* Standard ACPI table with full common header */ + ACPI_INFO((AE_INFO, "%4.4s @ 0x%p/0x%04X (v%3.3d %6.6s %8.8s 0x%08X %4.4s 0x%08X)", header->signature, ACPI_CAST_PTR(void, address), @@ -160,7 +162,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *new_gas_struct, u8 bit_width, u64 address) { - ACPI_STORE_ADDRESS(new_gas_struct->address, address); + ACPI_MOVE_64_TO_64(&new_gas_struct->address, &address); new_gas_struct->space_id = ACPI_ADR_SPACE_SYSTEM_IO; new_gas_struct->bit_width = bit_width; new_gas_struct->bit_offset = 0; @@ -284,13 +286,15 @@ static void acpi_tb_convert_fadt(void) ACPI_ADD_PTR(struct acpi_generic_address, &acpi_gbl_FADT, fadt_conversion_table[i].target); + /* Expand only if the X target is null */ + if (!target->address) { acpi_tb_init_generic_address(target, *ACPI_ADD_PTR(u8, &acpi_gbl_FADT, fadt_conversion_table [i].length), - *ACPI_ADD_PTR(u64, + *ACPI_ADD_PTR(u32, &acpi_gbl_FADT, fadt_conversion_table [i].source)); @@ -301,6 +305,10 @@ static void acpi_tb_convert_fadt(void) * Calculate separate GAS structs for the PM1 Enable registers. * These addresses do not appear (directly) in the FADT, so it is * useful to calculate them once, here. + * + * The PM event blocks are split into two register blocks, first is the + * PM Status Register block, followed immediately by the PM Enable Register + * block. Each is of length (pm1_event_length/2) */ pm1_register_length = (u8) ACPI_DIV_2(acpi_gbl_FADT.pm1_event_length); @@ -308,17 +316,16 @@ static void acpi_tb_convert_fadt(void) acpi_tb_init_generic_address(&acpi_gbl_xpm1a_enable, pm1_register_length, - (u64) (acpi_gbl_FADT.xpm1a_event_block. - address + pm1_register_length)); + (acpi_gbl_FADT.xpm1a_event_block.address + + pm1_register_length)); /* PM1B is optional; leave null if not present */ if (acpi_gbl_FADT.xpm1b_event_block.address) { acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable, pm1_register_length, - (u64) (acpi_gbl_FADT. - xpm1b_event_block.address + - pm1_register_length)); + (acpi_gbl_FADT.xpm1b_event_block. + address + pm1_register_length)); } /* Global FADT is the new common V2.0 FADT */ |