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ACPICA: Namespace: Add support of OSDT table

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ACPICA commit 27415c82fcecf467446f66d1007a0691cc5f3709

This patch adds OSDT (Override System Definition Table) support.
When OSDT is loaded, conflict namespace objects will be overridden
by the AML interpreter. Bob Moore, Lv Zheng.

Link: https://github.com/acpica/acpica/commit/27415c82
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore
2015-07-01 14:44:23 +08:00
committed by Rafael J. Wysocki
parent 8f6f036104
commit fe536995f2
4 changed files with 15 additions and 2 deletions
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7
drivers/acpi/acpica/nsparse.c
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@@ -117,6 +117,13 @@ acpi_ns_one_complete_parse(u32 pass_number,
(u8) pass_number);
}
/* Found OSDT table, enable the namespace override feature */
if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_OSDT) &&
pass_number == ACPI_IMODE_LOAD_PASS1) {
walk_state->namespace_override = TRUE;
}
if (ACPI_FAILURE(status)) {
acpi_ds_delete_walk_state(walk_state);
goto cleanup;