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 <li...@roeck-us.net>
---
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
