libata: separate out ata_ncq_enabled()

Separate out ata_ncq_enabled().

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index b71a7ef3f92a..63c808d17c28 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -315,9 +315,7 @@ int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
         tf->flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
         tf->flags |= tf_flags;
 
-        if ((dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ_OFF |
-                           ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ &&
-            likely(tag != ATA_TAG_INTERNAL)) {
+        if (ata_ncq_enabled(dev) && likely(tag != ATA_TAG_INTERNAL)) {
                 /* yay, NCQ */
                 if (!lba_48_ok(block, n_block))
                         return -ERANGE;