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author <jgarzik@pretzel.yyz.us>2005-05-27 22:08:07 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-05-27 22:08:07 -0400
commit51a730d758ae4052e10ca7e06336f10af598c4fc (patch)
treeb76a004c00cd7139659be515ee03398e47067290 /drivers/scsi/libata-core.c
parent6cd15a9daf826115356f9403494c76e5aafa7793 (diff)
parentff0e0ea2f5d36fa90fc2c57fd019102b0a0cfabf (diff)
Automatic merge of /spare/repo/netdev-2.6 branch we18-ieee80211
Diffstat (limited to 'drivers/scsi/libata-core.c')
-rw-r--r--drivers/scsi/libata-core.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 0b5d3a5b7ed..63d3f70d06e 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1253,11 +1253,11 @@ void __sata_phy_reset(struct ata_port *ap)
unsigned long timeout = jiffies + (HZ * 5);
if (ap->flags & ATA_FLAG_SATA_RESET) {
- scr_write(ap, SCR_CONTROL, 0x301); /* issue phy wake/reset */
- scr_read(ap, SCR_STATUS); /* dummy read; flush */
+ /* issue phy wake/reset */
+ scr_write_flush(ap, SCR_CONTROL, 0x301);
udelay(400); /* FIXME: a guess */
}
- scr_write(ap, SCR_CONTROL, 0x300); /* issue phy wake/clear reset */
+ scr_write_flush(ap, SCR_CONTROL, 0x300); /* phy wake/clear reset */
/* wait for phy to become ready, if necessary */
do {
@@ -2071,7 +2071,7 @@ void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, unsigned int buflen)
sg = qc->sg;
sg->page = virt_to_page(buf);
sg->offset = (unsigned long) buf & ~PAGE_MASK;
- sg_dma_len(sg) = buflen;
+ sg->length = buflen;
}
void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
@@ -2101,11 +2101,12 @@ static int ata_sg_setup_one(struct ata_queued_cmd *qc)
dma_addr_t dma_address;
dma_address = dma_map_single(ap->host_set->dev, qc->buf_virt,
- sg_dma_len(sg), dir);
+ sg->length, dir);
if (dma_mapping_error(dma_address))
return -1;
sg_dma_address(sg) = dma_address;
+ sg_dma_len(sg) = sg->length;
DPRINTK("mapped buffer of %d bytes for %s\n", sg_dma_len(sg),
qc->tf.flags & ATA_TFLAG_WRITE ? "write" : "read");
@@ -2310,7 +2311,7 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
qc->cursect++;
qc->cursg_ofs++;
- if ((qc->cursg_ofs * ATA_SECT_SIZE) == sg_dma_len(&sg[qc->cursg])) {
+ if ((qc->cursg_ofs * ATA_SECT_SIZE) == (&sg[qc->cursg])->length) {
qc->cursg++;
qc->cursg_ofs = 0;
}
@@ -2347,7 +2348,7 @@ next_page:
page = nth_page(page, (offset >> PAGE_SHIFT));
offset %= PAGE_SIZE;
- count = min(sg_dma_len(sg) - qc->cursg_ofs, bytes);
+ count = min(sg->length - qc->cursg_ofs, bytes);
/* don't cross page boundaries */
count = min(count, (unsigned int)PAGE_SIZE - offset);
@@ -2358,7 +2359,7 @@ next_page:
qc->curbytes += count;
qc->cursg_ofs += count;
- if (qc->cursg_ofs == sg_dma_len(sg)) {
+ if (qc->cursg_ofs == sg->length) {
qc->cursg++;
qc->cursg_ofs = 0;
}
@@ -2371,7 +2372,7 @@ next_page:
kunmap(page);
if (bytes) {
- if (qc->cursg_ofs < sg_dma_len(sg))
+ if (qc->cursg_ofs < sg->length)
goto next_page;
goto next_sg;
}
@@ -2539,7 +2540,7 @@ static void atapi_request_sense(struct ata_port *ap, struct ata_device *dev,
ata_sg_init_one(qc, cmd->sense_buffer, sizeof(cmd->sense_buffer));
qc->dma_dir = DMA_FROM_DEVICE;
- memset(&qc->cdb, 0, sizeof(ap->cdb_len));
+ memset(&qc->cdb, 0, ap->cdb_len);
qc->cdb[0] = REQUEST_SENSE;
qc->cdb[4] = SCSI_SENSE_BUFFERSIZE;
@@ -2811,6 +2812,7 @@ void ata_qc_complete(struct ata_queued_cmd *qc, u8 drv_stat)
/* call completion callback */
rc = qc->complete_fn(qc, drv_stat);
+ qc->flags &= ~ATA_QCFLAG_ACTIVE;
/* if callback indicates not to complete command (non-zero),
* return immediately
@@ -3229,7 +3231,8 @@ irqreturn_t ata_interrupt (int irq, void *dev_instance, struct pt_regs *regs)
struct ata_queued_cmd *qc;
qc = ata_qc_from_tag(ap, ap->active_tag);
- if (qc && (!(qc->tf.ctl & ATA_NIEN)))
+ if (qc && (!(qc->tf.ctl & ATA_NIEN)) &&
+ (qc->flags & ATA_QCFLAG_ACTIVE))
handled |= ata_host_intr(ap, qc);
}
}