libata: bump versions

Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index ac4f43c..01bba26 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -46,7 +46,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME	"sata_via"
-#define DRV_VERSION	"2.1"
+#define DRV_VERSION	"2.2"
 
 enum board_ids_enum {
 	vt6420,