diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 9fb9814..5cc53cd 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -2531,7 +2531,7 @@
  *	@ap: port to read/write
  *	@buf: data buffer
  *	@buflen: buffer length
- *	@do_write: read/write
+ *	@write_data: read/write
  *
  *	Transfer data from/to the device data register by MMIO.
  *
@@ -2577,7 +2577,7 @@
  *	@ap: port to read/write
  *	@buf: data buffer
  *	@buflen: buffer length
- *	@do_write: read/write
+ *	@write_data: read/write
  *
  *	Transfer data from/to the device data register by PIO.
  *