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yaml
---
r: 57345
b: refs/heads/master
c: 464cf17
h: refs/heads/master
i:
  57343: f802f7a
v: v3
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Tejun Heo authored and Jeff Garzik committed Jun 4, 2007
1 parent e284832 commit 95fbc08
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Showing 4 changed files with 11 additions and 17 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a862b5c8cd5d847779a049a5fc8cf5b1e6f5fa07
refs/heads/master: 464cf177df7727efcc5506322fc5d0c8b896f545
13 changes: 4 additions & 9 deletions trunk/drivers/ata/libata-core.c
Original file line number Diff line number Diff line change
Expand Up @@ -3933,10 +3933,13 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev)
/* set up set-features taskfile */
DPRINTK("set features - xfer mode\n");

/* Some controllers and ATAPI devices show flaky interrupt
* behavior after setting xfer mode. Use polling instead.
*/
ata_tf_init(dev, &tf);
tf.command = ATA_CMD_SET_FEATURES;
tf.feature = SETFEATURES_XFER;
tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE | ATA_TFLAG_POLLING;
tf.protocol = ATA_PROT_NODATA;
tf.nsect = dev->xfer_mode;

Expand Down Expand Up @@ -5414,14 +5417,6 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc)
}
}

/* Some controllers show flaky interrupt behavior after
* setting xfer mode. Use polling instead.
*/
if (unlikely(qc->tf.command == ATA_CMD_SET_FEATURES &&
qc->tf.feature == SETFEATURES_XFER) &&
(ap->flags & ATA_FLAG_SETXFER_POLLING))
qc->tf.flags |= ATA_TFLAG_POLLING;

/* select the device */
ata_dev_select(ap, qc->dev->devno, 1, 0);

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12 changes: 6 additions & 6 deletions trunk/drivers/ata/pata_via.c
Original file line number Diff line number Diff line change
Expand Up @@ -452,23 +452,23 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
/* Early VIA without UDMA support */
static const struct ata_port_info via_mwdma_info = {
.sht = &via_sht,
.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SETXFER_POLLING,
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f,
.mwdma_mask = 0x07,
.port_ops = &via_port_ops
};
/* Ditto with IRQ masking required */
static const struct ata_port_info via_mwdma_info_borked = {
.sht = &via_sht,
.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SETXFER_POLLING,
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f,
.mwdma_mask = 0x07,
.port_ops = &via_port_ops_noirq,
};
/* VIA UDMA 33 devices (and borked 66) */
static const struct ata_port_info via_udma33_info = {
.sht = &via_sht,
.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SETXFER_POLLING,
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f,
.mwdma_mask = 0x07,
.udma_mask = 0x7,
Expand All @@ -477,7 +477,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
/* VIA UDMA 66 devices */
static const struct ata_port_info via_udma66_info = {
.sht = &via_sht,
.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SETXFER_POLLING,
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f,
.mwdma_mask = 0x07,
.udma_mask = 0x1f,
Expand All @@ -486,7 +486,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
/* VIA UDMA 100 devices */
static const struct ata_port_info via_udma100_info = {
.sht = &via_sht,
.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SETXFER_POLLING,
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f,
.mwdma_mask = 0x07,
.udma_mask = 0x3f,
Expand All @@ -495,7 +495,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
/* UDMA133 with bad AST (All current 133) */
static const struct ata_port_info via_udma133_info = {
.sht = &via_sht,
.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SETXFER_POLLING,
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f,
.mwdma_mask = 0x07,
.udma_mask = 0x7f, /* FIXME: should check north bridge */
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1 change: 0 additions & 1 deletion trunk/include/linux/libata.h
Original file line number Diff line number Diff line change
Expand Up @@ -171,7 +171,6 @@ enum {
ATA_FLAG_SKIP_D2H_BSY = (1 << 12), /* can't wait for the first D2H
* Register FIS clearing BSY */
ATA_FLAG_DEBUGMSG = (1 << 13),
ATA_FLAG_SETXFER_POLLING= (1 << 14), /* use polling for SETXFER */
ATA_FLAG_IGN_SIMPLEX = (1 << 15), /* ignore SIMPLEX */
ATA_FLAG_NO_IORDY = (1 << 16), /* controller lacks iordy */
ATA_FLAG_ACPI_SATA = (1 << 17), /* need native SATA ACPI layout */
Expand Down

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