Simplify tag handling by using the cid/hqtag field instead of ioid,
as recommended by Marvell.
Signed-off-by: Mark Lord <mlord@xxxxxxxxx>
--- old/drivers/ata/sata_mv.c 2008-01-26 10:46:58.000000000 -0500
+++ new/drivers/ata/sata_mv.c 2008-01-26 10:47:35.000000000 -0500
@@ -1252,7 +1252,6 @@
flags |= CRQB_FLAG_READ;
WARN_ON(MV_MAX_Q_DEPTH <= qc->tag);
flags |= qc->tag << CRQB_TAG_SHIFT;
- flags |= qc->tag << CRQB_IOID_SHIFT; /* 50xx appears to ignore this*/
/* get current queue index from software */
in_index = pp->req_idx & MV_MAX_Q_DEPTH_MASK;
@@ -1345,8 +1344,7 @@
WARN_ON(MV_MAX_Q_DEPTH <= qc->tag);
flags |= qc->tag << CRQB_TAG_SHIFT;
- flags |= qc->tag << CRQB_IOID_SHIFT; /* "I/O Id" is -really-
- what we use as our tag */
+ flags |= qc->tag << CRQB_HOSTQ_SHIFT;
/* get current queue index from software */
in_index = pp->req_idx & MV_MAX_Q_DEPTH_MASK;
@@ -1587,13 +1585,8 @@
* support for queueing. this works transparently for
* queued and non-queued modes.
*/
- else if (IS_GEN_II(hpriv))
- tag = (le16_to_cpu(pp->crpb[out_index].id)
- >> CRPB_IOID_SHIFT_6) & 0x3f;
-
- else /* IS_GEN_IIE */
- tag = (le16_to_cpu(pp->crpb[out_index].id)
- >> CRPB_IOID_SHIFT_7) & 0x3f;
+ else
+ tag = le16_to_cpu(pp->crpb[out_index].id) & 0x1f;
qc = ata_qc_from_tag(ap, tag);
-
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
