libata passthru: support PIO multi commands
support the pass through of PIO multi commands.
Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/include/linux/ata.h b/include/linux/ata.h
index edb31bf..3e95e5c 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -249,7 +249,7 @@
/* ATA taskfile protocols */
ATA_PROT_UNKNOWN, /* unknown/invalid */
ATA_PROT_NODATA, /* no data */
- ATA_PROT_PIO, /* PIO single sector */
+ ATA_PROT_PIO, /* PIO data xfer */
ATA_PROT_DMA, /* DMA */
ATA_PROT_NCQ, /* NCQ */
ATA_PROT_ATAPI, /* packet command, PIO data xfer*/