void acpi_os_delete_lock(acpi_handle handle);
-acpi_native_uint acpi_os_acquire_lock(acpi_handle handle);
+acpi_cpu_flags acpi_os_acquire_lock(acpi_handle handle);
-void acpi_os_release_lock(acpi_handle handle, acpi_native_uint flags);
+void acpi_os_release_lock(acpi_handle handle, acpi_cpu_flags flags);
/*
* Memory allocation and mapping