From 8d2b450d0f9233f221d545f26720eebbc468e857 Mon Sep 17 00:00:00 2001 From: Mark Lord Date: Mon, 13 Apr 2009 11:27:18 -0400 Subject: [PATCH] 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 Signed-off-by: Jeff Garzik --- drivers/ata/sata_mv.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 37ae5dc1070..c7da6022c6b 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -1898,17 +1898,17 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; struct mv_port_priv *pp = ap->private_data; __le16 *cw; - struct ata_taskfile *tf; + struct ata_taskfile *tf = &qc->tf; u16 flags = 0; unsigned in_index; - if ((qc->tf.protocol != ATA_PROT_DMA) && - (qc->tf.protocol != ATA_PROT_NCQ)) + if ((tf->protocol != ATA_PROT_DMA) && + (tf->protocol != ATA_PROT_NCQ)) return; /* Fill in command request block */ - if (!(qc->tf.flags & ATA_TFLAG_WRITE)) + if (!(tf->flags & ATA_TFLAG_WRITE)) flags |= CRQB_FLAG_READ; WARN_ON(MV_MAX_Q_DEPTH <= qc->tag); flags |= qc->tag << CRQB_TAG_SHIFT; @@ -1924,7 +1924,6 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) pp->crqb[in_index].ctrl_flags = cpu_to_le16(flags); cw = &pp->crqb[in_index].ata_cmd[0]; - tf = &qc->tf; /* Sadly, the CRQB cannot accomodate all registers--there are * only 11 bytes...so we must pick and choose required @@ -1990,16 +1989,16 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; struct mv_port_priv *pp = ap->private_data; struct mv_crqb_iie *crqb; - struct ata_taskfile *tf; + struct ata_taskfile *tf = &qc->tf; unsigned in_index; u32 flags = 0; - if ((qc->tf.protocol != ATA_PROT_DMA) && - (qc->tf.protocol != ATA_PROT_NCQ)) + if ((tf->protocol != ATA_PROT_DMA) && + (tf->protocol != ATA_PROT_NCQ)) return; /* Fill in Gen IIE command request block */ - if (!(qc->tf.flags & ATA_TFLAG_WRITE)) + if (!(tf->flags & ATA_TFLAG_WRITE)) flags |= CRQB_FLAG_READ; WARN_ON(MV_MAX_Q_DEPTH <= qc->tag); @@ -2015,7 +2014,6 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc) crqb->addr_hi = cpu_to_le32((pp->sg_tbl_dma[qc->tag] >> 16) >> 16); crqb->flags = cpu_to_le32(flags); - tf = &qc->tf; crqb->ata_cmd[0] = cpu_to_le32( (tf->command << 16) | (tf->feature << 24) -- 2.39.3