diff options
Diffstat (limited to 'drivers/acpi/acpica/evxfevnt.c')
| -rw-r--r-- | drivers/acpi/acpica/evxfevnt.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c index 35520c6eeef..e286640ad4f 100644 --- a/drivers/acpi/acpica/evxfevnt.c +++ b/drivers/acpi/acpica/evxfevnt.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2012, Intel Corp. + * Copyright (C) 2000 - 2014, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -41,7 +41,8 @@ * POSSIBILITY OF SUCH DAMAGES. */ -#include <linux/export.h> +#define EXPORT_ACPI_INTERFACES + #include <acpi/acpi.h> #include "accommon.h" #include "actables.h" @@ -61,7 +62,6 @@ ACPI_MODULE_NAME("evxfevnt") * DESCRIPTION: Transfers the system into ACPI mode. * ******************************************************************************/ - acpi_status acpi_enable(void) { acpi_status status; @@ -75,6 +75,12 @@ acpi_status acpi_enable(void) return_ACPI_STATUS(AE_NO_ACPI_TABLES); } + /* If the Hardware Reduced flag is set, machine is always in acpi mode */ + + if (acpi_gbl_reduced_hardware) { + return_ACPI_STATUS(AE_OK); + } + /* Check current mode */ if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) { @@ -127,6 +133,12 @@ acpi_status acpi_disable(void) ACPI_FUNCTION_TRACE(acpi_disable); + /* If the Hardware Reduced flag is set, machine is always in acpi mode */ + + if (acpi_gbl_reduced_hardware) { + return_ACPI_STATUS(AE_OK); + } + if (acpi_hw_get_mode() == ACPI_SYS_MODE_LEGACY) { ACPI_DEBUG_PRINT((ACPI_DB_INIT, "System is already in legacy (non-ACPI) mode\n")); @@ -210,8 +222,8 @@ ACPI_EXPORT_SYMBOL(acpi_enable_event) * * FUNCTION: acpi_disable_event * - * PARAMETERS: Event - The fixed eventto be enabled - * Flags - Reserved + * PARAMETERS: event - The fixed event to be disabled + * flags - Reserved * * RETURN: Status * |