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path: root/drivers/scsi/sata_qstor.c
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Diffstat (limited to 'drivers/scsi/sata_qstor.c')
-rw-r--r--drivers/scsi/sata_qstor.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/scsi/sata_qstor.c b/drivers/scsi/sata_qstor.c
index b2f6324a2eb2..4a6d3067d23c 100644
--- a/drivers/scsi/sata_qstor.c
+++ b/drivers/scsi/sata_qstor.c
@@ -268,7 +268,7 @@ static void qs_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
268 writel(val, (void __iomem *)(ap->ioaddr.scr_addr + (sc_reg * 8))); 268 writel(val, (void __iomem *)(ap->ioaddr.scr_addr + (sc_reg * 8)));
269} 269}
270 270
271static void qs_fill_sg(struct ata_queued_cmd *qc) 271static unsigned int qs_fill_sg(struct ata_queued_cmd *qc)
272{ 272{
273 struct scatterlist *sg; 273 struct scatterlist *sg;
274 struct ata_port *ap = qc->ap; 274 struct ata_port *ap = qc->ap;
@@ -296,6 +296,8 @@ static void qs_fill_sg(struct ata_queued_cmd *qc)
296 (unsigned long long)addr, len); 296 (unsigned long long)addr, len);
297 nelem++; 297 nelem++;
298 } 298 }
299
300 return nelem;
299} 301}
300 302
301static void qs_qc_prep(struct ata_queued_cmd *qc) 303static void qs_qc_prep(struct ata_queued_cmd *qc)
@@ -304,6 +306,7 @@ static void qs_qc_prep(struct ata_queued_cmd *qc)
304 u8 dflags = QS_DF_PORD, *buf = pp->pkt; 306 u8 dflags = QS_DF_PORD, *buf = pp->pkt;
305 u8 hflags = QS_HF_DAT | QS_HF_IEN | QS_HF_VLD; 307 u8 hflags = QS_HF_DAT | QS_HF_IEN | QS_HF_VLD;
306 u64 addr; 308 u64 addr;
309 unsigned int nelem;
307 310
308 VPRINTK("ENTER\n"); 311 VPRINTK("ENTER\n");
309 312
@@ -313,7 +316,7 @@ static void qs_qc_prep(struct ata_queued_cmd *qc)
313 return; 316 return;
314 } 317 }
315 318
316 qs_fill_sg(qc); 319 nelem = qs_fill_sg(qc);
317 320
318 if ((qc->tf.flags & ATA_TFLAG_WRITE)) 321 if ((qc->tf.flags & ATA_TFLAG_WRITE))
319 hflags |= QS_HF_DIRO; 322 hflags |= QS_HF_DIRO;
@@ -324,7 +327,7 @@ static void qs_qc_prep(struct ata_queued_cmd *qc)
324 buf[ 0] = QS_HCB_HDR; 327 buf[ 0] = QS_HCB_HDR;
325 buf[ 1] = hflags; 328 buf[ 1] = hflags;
326 *(__le32 *)(&buf[ 4]) = cpu_to_le32(qc->nsect * ATA_SECT_SIZE); 329 *(__le32 *)(&buf[ 4]) = cpu_to_le32(qc->nsect * ATA_SECT_SIZE);
327 *(__le32 *)(&buf[ 8]) = cpu_to_le32(qc->n_elem); 330 *(__le32 *)(&buf[ 8]) = cpu_to_le32(nelem);
328 addr = ((u64)pp->pkt_dma) + QS_CPB_BYTES; 331 addr = ((u64)pp->pkt_dma) + QS_CPB_BYTES;
329 *(__le64 *)(&buf[16]) = cpu_to_le64(addr); 332 *(__le64 *)(&buf[16]) = cpu_to_le64(addr);
330 333