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| author | Bob Moore <robert.moore@intel.com> | 2007-02-02 19:48:23 +0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-02-02 21:14:30 -0500 |
| commit | c857303ad496e1f52955e95994a67869882e89f9 (patch) | |
| tree | f08011d43627bc7fc401253b5f8446bab708d87d /drivers/acpi/events/evxfevnt.c | |
| parent | 987c21a0b0081d480ec3cd04875509cdc10e15e7 (diff) | |
| download | blackbird-op-linux-c857303ad496e1f52955e95994a67869882e89f9.tar.gz blackbird-op-linux-c857303ad496e1f52955e95994a67869882e89f9.zip | |
ACPICA: Fail AcpiEnable if ACPI tables not loaded.
AcpiEnable will now fail if all of the required ACPI tables are not
loaded (FADT, FACS, DSDT). BZ 477
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/events/evxfevnt.c')
| -rw-r--r-- | drivers/acpi/events/evxfevnt.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c index a3d148e4d39f..4eab4f5a1004 100644 --- a/drivers/acpi/events/evxfevnt.c +++ b/drivers/acpi/events/evxfevnt.c @@ -65,6 +65,14 @@ acpi_status acpi_enable(void) ACPI_FUNCTION_TRACE(acpi_enable); + /* ACPI tables must be present */ + + if (!acpi_tb_tables_loaded()) { + return_ACPI_STATUS(AE_NO_ACPI_TABLES); + } + + /* Check current mode */ + if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) { ACPI_DEBUG_PRINT((ACPI_DB_INIT, "System is already in ACPI mode\n")); |
