sata_mv: tidy up qc->tf usage in qc_prep() functions
Tidy up qc->tf accesses in the mv_qc_prep() functions. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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@ -1898,17 +1898,17 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
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struct ata_port *ap = qc->ap;
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struct mv_port_priv *pp = ap->private_data;
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__le16 *cw;
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struct ata_taskfile *tf;
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struct ata_taskfile *tf = &qc->tf;
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u16 flags = 0;
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unsigned in_index;
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if ((qc->tf.protocol != ATA_PROT_DMA) &&
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(qc->tf.protocol != ATA_PROT_NCQ))
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if ((tf->protocol != ATA_PROT_DMA) &&
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(tf->protocol != ATA_PROT_NCQ))
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return;
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/* Fill in command request block
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*/
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if (!(qc->tf.flags & ATA_TFLAG_WRITE))
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if (!(tf->flags & ATA_TFLAG_WRITE))
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flags |= CRQB_FLAG_READ;
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WARN_ON(MV_MAX_Q_DEPTH <= qc->tag);
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flags |= qc->tag << CRQB_TAG_SHIFT;
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@ -1924,7 +1924,6 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
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pp->crqb[in_index].ctrl_flags = cpu_to_le16(flags);
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cw = &pp->crqb[in_index].ata_cmd[0];
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tf = &qc->tf;
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/* Sadly, the CRQB cannot accomodate all registers--there are
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* only 11 bytes...so we must pick and choose required
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@ -1990,16 +1989,16 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc)
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struct ata_port *ap = qc->ap;
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struct mv_port_priv *pp = ap->private_data;
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struct mv_crqb_iie *crqb;
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struct ata_taskfile *tf;
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struct ata_taskfile *tf = &qc->tf;
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unsigned in_index;
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u32 flags = 0;
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if ((qc->tf.protocol != ATA_PROT_DMA) &&
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(qc->tf.protocol != ATA_PROT_NCQ))
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if ((tf->protocol != ATA_PROT_DMA) &&
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(tf->protocol != ATA_PROT_NCQ))
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return;
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/* Fill in Gen IIE command request block */
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if (!(qc->tf.flags & ATA_TFLAG_WRITE))
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if (!(tf->flags & ATA_TFLAG_WRITE))
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flags |= CRQB_FLAG_READ;
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WARN_ON(MV_MAX_Q_DEPTH <= qc->tag);
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@ -2015,7 +2014,6 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc)
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crqb->addr_hi = cpu_to_le32((pp->sg_tbl_dma[qc->tag] >> 16) >> 16);
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crqb->flags = cpu_to_le32(flags);
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tf = &qc->tf;
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crqb->ata_cmd[0] = cpu_to_le32(
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(tf->command << 16) |
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(tf->feature << 24)
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