diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c
index 529ba3194adf..34c4eb0a44f2 100644
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -71,6 +71,11 @@
 #include "comedi_fc.h"
 #include "s626.h"
 
+struct buffer_dma {
+	dma_addr_t physical_base;
+	void *logical_base;
+};
+
 struct s626_private {
 	void __iomem *mmio;
 	uint8_t ai_cmd_running;		/* ai_cmd is running */
diff --git a/drivers/staging/comedi/drivers/s626.h b/drivers/staging/comedi/drivers/s626.h
index 2d332bf0f1e3..605926ed861b 100644
--- a/drivers/staging/comedi/drivers/s626.h
+++ b/drivers/staging/comedi/drivers/s626.h
@@ -614,9 +614,4 @@
 #define STDMSK_CLKMULT		(3 << STDBIT_CLKMULT)
 #define STDMSK_CLKENAB		(1 << STDBIT_CLKENAB)
 
-struct buffer_dma {
-	dma_addr_t physical_base;
-	void *logical_base;
-};
-
 #endif