Mutex functions may be needed by drivers. Examples are accesses to Super-IO SIO registers (0x2e/0x2f or 0x4e/0x4f) or Super-IO environmental monitor registers, both which may also be accessed through DSDT. Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- drivers/acpi/acpica/utxfmutex.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/acpi/acpica/utxfmutex.c b/drivers/acpi/acpica/utxfmutex.c index c016211c35ae..5d20581f4b2f 100644 --- a/drivers/acpi/acpica/utxfmutex.c +++ b/drivers/acpi/acpica/utxfmutex.c @@ -150,6 +150,7 @@ acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout) status = acpi_os_acquire_mutex(mutex_obj->mutex.os_mutex, timeout); return (status); } +ACPI_EXPORT_SYMBOL(acpi_acquire_mutex) /******************************************************************************* * @@ -185,3 +186,4 @@ acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname) acpi_os_release_mutex(mutex_obj->mutex.os_mutex); return (AE_OK); } +ACPI_EXPORT_SYMBOL(acpi_release_mutex) -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html