diff options
| author | Mark Lord <liml@rtr.ca> | 2008-01-27 00:31:48 +0100 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2008-02-01 17:29:47 +0100 |
| commit | 8c0aeb4a483334613336ef895f34cecc0ecbbfa6 (patch) | |
| tree | 4fadbd137b2e96c7630826b8e48b525d93b7beb2 /drivers/ata/sata_mv.c | |
| parent | sata_mv ncq Add want ncq parameter for EDMA configuration (diff) | |
| download | linux-8c0aeb4a483334613336ef895f34cecc0ecbbfa6.tar.xz linux-8c0aeb4a483334613336ef895f34cecc0ecbbfa6.zip | |
sata_mv ncq Use hqtag instead of ioid
Simplify tag handling by using the cid/hqtag field instead of ioid,
as recommended by Marvell.
Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/sata_mv.c')
| -rw-r--r-- | drivers/ata/sata_mv.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 32a0ace5234a..c60255810e68 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -1252,7 +1252,6 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) 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 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc) 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 @@ static void mv_intr_edma(struct ata_port *ap) * 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); |