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Revert "Fix FADT parsing"

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This reverts commit 01a5bba576b9364b33f61f0cd9fa70c2cf5535e2.

There seem to be some FADTs around with bogus information
in the v2 fields. Revert this patch for now until
this can be properly resolved.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
This commit is contained in:
Andi Kleen 2008-07-18 01:42:20 +02:00
parent 5b664cb235
commit b1d77fae0c
1 changed files with 6 additions and 11 deletions
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17
drivers/acpi/tables/tbfadt.c
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@ -124,7 +124,7 @@ static struct acpi_fadt_info fadt_info_table[] = {
static void inline
acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
u8 byte_width, u64 address)
u8 bit_width, u64 address)
{
/*
@ -136,7 +136,7 @@ acpi_tb_init_generic_address(struct acpi_generic_address *generic_address,
/* All other fields are byte-wide */
generic_address->space_id = ACPI_ADR_SPACE_SYSTEM_IO;
generic_address->bit_width = byte_width << 3;
generic_address->bit_width = bit_width;
generic_address->bit_offset = 0;
generic_address->access_width = 0;
}
@ -343,11 +343,9 @@ static void acpi_tb_convert_fadt(void)
*
* 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 (xpm1x_event_block.bit_width/2)
* block. Each is of length (pm1_event_length/2)
*/
WARN_ON(ACPI_MOD_16(acpi_gbl_FADT.xpm1a_event_block.bit_width));
pm1_register_length = (u8) ACPI_DIV_16(acpi_gbl_FADT
.xpm1a_event_block.bit_width);
pm1_register_length = (u8) ACPI_DIV_2(acpi_gbl_FADT.pm1_event_length);
/* The PM1A register block is required */
@ -362,17 +360,14 @@ static void acpi_tb_convert_fadt(void)
/* The PM1B register block is optional, ignore if not present */
if (acpi_gbl_FADT.xpm1b_event_block.address) {
WARN_ON(ACPI_MOD_16(acpi_gbl_FADT.xpm1b_event_block.bit_width));
pm1_register_length = (u8) ACPI_DIV_16(acpi_gbl_FADT
.xpm1b_event_block
.bit_width);
acpi_tb_init_generic_address(&acpi_gbl_xpm1b_enable,
pm1_register_length,
(acpi_gbl_FADT.xpm1b_event_block.
address + pm1_register_length));
/* Don't forget to copy space_id of the GAS */
acpi_gbl_xpm1b_enable.space_id =
acpi_gbl_FADT.xpm1b_event_block.space_id;
acpi_gbl_FADT.xpm1a_event_block.space_id;
}
}