sata_mv 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@xxxxxxxxx> --- old/drivers/ata/sata_mv.c 2008-01-24 12:07:16.000000000 -0500 +++ new/drivers/ata/sata_mv.c 2008-01-24 12:35:14.000000000 -0500 @@ -132,15 +132,12 @@ CRQB_FLAG_READ = (1 << 0), CRQB_TAG_SHIFT = 1, - CRQB_IOID_SHIFT = 6, /* CRQB Gen-II/IIE IO Id shift */ CRQB_HOSTQ_SHIFT = 17, /* CRQB Gen-II/IIE HostQueTag shift */ CRQB_CMD_ADDR_SHIFT = 8, CRQB_CMD_CS = (0x2 << 11), CRQB_CMD_LAST = (1 << 15), CRPB_FLAG_STATUS_SHIFT = 8, - CRPB_IOID_SHIFT_6 = 5, /* CRPB Gen-II IO Id shift */ - CRPB_IOID_SHIFT_7 = 7, /* CRPB Gen-IIE IO Id shift */ EPRD_FLAG_END_OF_TBL = (1 << 31), @@ -1252,7 +1249,6 @@ 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 +1341,7 @@ 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 +1582,8 @@ * 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
