ACPICA: Tables: Restore old behavor to favor 32-bit FADT addresses.
We need to find a smarter way to switch to 64-bit FADT addresses according
to the bug report. This patch reverts Linux to the original behavior.
Fixes: 0249ed2444
(ACPICA: Add option to favor 32-bit FADT addresses.)
References: https://bugzilla.kernel.org/show_bug.cgi?id=74021
Reported-and-tested-by: Oswald Buddenhagen <ossi@kde.org>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Cc: 3.14+ <stable@vger.kernel.org> # 3.14+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
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@ -141,9 +141,9 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
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* address. Although ACPICA adheres to the ACPI specification which
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* requires the use of the corresponding 64-bit address if it is non-zero,
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* some machines have been found to have a corrupted non-zero 64-bit
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* address. Default is FALSE, do not favor the 32-bit addresses.
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* address. Default is TRUE, favor the 32-bit addresses.
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*/
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ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
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ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, TRUE);
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/*
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* Optionally truncate I/O addresses to 16 bits. Provides compatibility
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