diff --git a/include/linux/ata.h b/include/linux/ata.h
index 6caeb98..ffb6cdc 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -164,6 +164,12 @@
 	/* READ_LOG_EXT pages */
 	ATA_LOG_SATA_NCQ	= 0x10,
 
+	/* READ/WRITE LONG (obsolete) */
+	ATA_CMD_READ_LONG	= 0x22,
+	ATA_CMD_READ_LONG_ONCE	= 0x23,
+	ATA_CMD_WRITE_LONG	= 0x32,
+	ATA_CMD_WRITE_LONG_ONCE	= 0x33,
+
 	/* SETFEATURES stuff */
 	SETFEATURES_XFER	= 0x03,
 	XFER_UDMA_7		= 0x47,