1 files changed, 2 insertions, 1 deletions

diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 197f3fffc9a7..408c7820e200 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -210,7 +210,8 @@ struct acpi_device_flags {
         u32 of_compatible_ok:1;
         u32 coherent_dma:1;
         u32 cca_seen:1;
-        u32 reserved:20;
+        u32 spi_i2c_slave:1;
+        u32 reserved:19;
 };
 
 /* File System */