1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 8653dac01a76..cc4a4903842a 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -204,11 +204,13 @@ acpi_os_map_memory(acpi_physical_address phys, acpi_size size,
 
         return AE_OK;
 }
+EXPORT_SYMBOL_GPL(acpi_os_map_memory);
 
 void acpi_os_unmap_memory(void __iomem * virt, acpi_size size)
 {
         iounmap(virt);
 }
+EXPORT_SYMBOL_GPL(acpi_os_unmap_memory);
 
 #ifdef ACPI_FUTURE_USAGE
 acpi_status
@@ -1058,11 +1060,9 @@ EXPORT_SYMBOL(max_cstate);
  * Acquire a spinlock.
  *
  * handle is a pointer to the spinlock_t.
- * flags is *not* the result of save_flags - it is an ACPI-specific flag variable
- *   that indicates whether we are at interrupt level.
  */
 
-unsigned long acpi_os_acquire_lock(acpi_handle handle)
+acpi_native_uint acpi_os_acquire_lock(acpi_handle handle)
 {
         unsigned long flags;
         spin_lock_irqsave((spinlock_t *) handle, flags);
@@ -1073,9 +1073,9 @@ unsigned long acpi_os_acquire_lock(acpi_handle handle)
  * Release a spinlock. See above.
  */
 
-void acpi_os_release_lock(acpi_handle handle, unsigned long flags)
+void acpi_os_release_lock(acpi_handle handle, acpi_native_uint flags)
 {
-        spin_unlock_irqrestore((spinlock_t *) handle, flags);
+        spin_unlock_irqrestore((spinlock_t *) handle, (unsigned long) flags);
 }
 
 #ifndef ACPI_USE_LOCAL_CACHE