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ACPI: fix "acpi=ht" boot option

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We broke "acpi=ht" in 2.6.32 by disabling MADT parsing
for acpi=disabled.  e5b8fc6ac1
This also broke systems which invoked acpi=ht via DMI blacklist.

acpi=ht is a really ugly hack,
but restore it for those that still use it.

http://bugzilla.kernel.org/show_bug.cgi?id=14886

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown
2010-02-16 03:45:45 -05:00
parent 97c169d39b
commit 49bf83a45f
2 changed files with 3 additions and 2 deletions
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4
drivers/acpi/tables.c
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@@ -213,7 +213,7 @@ acpi_table_parse_entries(char *id,
unsigned long table_end;
acpi_size tbl_size;
if (acpi_disabled)
if (acpi_disabled && !acpi_ht)
return -ENODEV;
if (!handler)
@@ -280,7 +280,7 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler)
struct acpi_table_header *table = NULL;
acpi_size tbl_size;
if (acpi_disabled)
if (acpi_disabled && !acpi_ht)
return -ENODEV;
if (!handler)