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yaml
---
r: 109024
b: refs/heads/master
c: ff04715
h: refs/heads/master
v: v3
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Tejun Heo authored and Jeff Garzik committed Aug 22, 2008
1 parent 700dec3 commit 2ba6fd6
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Showing 2 changed files with 12 additions and 49 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: d127ea7b8643a93d14d1f3c542974407f14d3663
refs/heads/master: ff04715bd5171d6d5c4ddff40c7bdc8d2dc90f7d
59 changes: 11 additions & 48 deletions trunk/drivers/ata/pata_via.c
Original file line number Diff line number Diff line change
Expand Up @@ -324,62 +324,26 @@ static void via_set_dmamode(struct ata_port *ap, struct ata_device *adev)
}

/**
* via_ata_sff_tf_load - send taskfile registers to host controller
* via_tf_load - send taskfile registers to host controller
* @ap: Port to which output is sent
* @tf: ATA taskfile register set
*
* Outputs ATA taskfile to standard ATA host controller.
*
* Note: This is to fix the internal bug of via chipsets, which
* will reset the device register after changing the IEN bit on
* ctl register
* will reset the device register after changing the IEN bit on
* ctl register
*/
static void via_ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
static void via_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
{
struct ata_ioports *ioaddr = &ap->ioaddr;
unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;

if (tf->ctl != ap->last_ctl) {
iowrite8(tf->ctl, ioaddr->ctl_addr);
iowrite8(tf->device, ioaddr->device_addr);
ap->last_ctl = tf->ctl;
ata_wait_idle(ap);
}

if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) {
iowrite8(tf->hob_feature, ioaddr->feature_addr);
iowrite8(tf->hob_nsect, ioaddr->nsect_addr);
iowrite8(tf->hob_lbal, ioaddr->lbal_addr);
iowrite8(tf->hob_lbam, ioaddr->lbam_addr);
iowrite8(tf->hob_lbah, ioaddr->lbah_addr);
VPRINTK("hob: feat 0x%X nsect 0x%X, lba 0x%X 0x%X 0x%X\n",
tf->hob_feature,
tf->hob_nsect,
tf->hob_lbal,
tf->hob_lbam,
tf->hob_lbah);
}
struct ata_taskfile tmp_tf;

if (is_addr) {
iowrite8(tf->feature, ioaddr->feature_addr);
iowrite8(tf->nsect, ioaddr->nsect_addr);
iowrite8(tf->lbal, ioaddr->lbal_addr);
iowrite8(tf->lbam, ioaddr->lbam_addr);
iowrite8(tf->lbah, ioaddr->lbah_addr);
VPRINTK("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n",
tf->feature,
tf->nsect,
tf->lbal,
tf->lbam,
tf->lbah);
if (ap->ctl != ap->last_ctl && !(tf->flags & ATA_TFLAG_DEVICE)) {
tmp_tf = *tf;
tmp_tf.flags |= ATA_TFLAG_DEVICE;
tf = &tmp_tf;
}

if (tf->flags & ATA_TFLAG_DEVICE) {
iowrite8(tf->device, ioaddr->device_addr);
VPRINTK("device 0x%X\n", tf->device);
}

ata_wait_idle(ap);
ata_sff_tf_load(ap, tf);
}

static struct scsi_host_template via_sht = {
Expand All @@ -392,13 +356,12 @@ static struct ata_port_operations via_port_ops = {
.set_piomode = via_set_piomode,
.set_dmamode = via_set_dmamode,
.prereset = via_pre_reset,
.sff_tf_load = via_ata_tf_load,
.sff_tf_load = via_tf_load,
};

static struct ata_port_operations via_port_ops_noirq = {
.inherits = &via_port_ops,
.sff_data_xfer = ata_sff_data_xfer_noirq,
.sff_tf_load = via_ata_tf_load,
};

/**
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