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Diffstat (limited to 'drivers/acpi/events/evxfevnt.c')
-rw-r--r--drivers/acpi/events/evxfevnt.c8
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)
65 65
66 ACPI_FUNCTION_TRACE(acpi_enable); 66 ACPI_FUNCTION_TRACE(acpi_enable);
67 67
68 /* ACPI tables must be present */
69
70 if (!acpi_tb_tables_loaded()) {
71 return_ACPI_STATUS(AE_NO_ACPI_TABLES);
72 }
73
74 /* Check current mode */
75
68 if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) { 76 if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) {
69 ACPI_DEBUG_PRINT((ACPI_DB_INIT, 77 ACPI_DEBUG_PRINT((ACPI_DB_INIT,
70 "System is already in ACPI mode\n")); 78 "System is already in ACPI mode\n"));