aboutsummaryrefslogtreecommitdiff
path: root/drivers/ata/libata-sff.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata/libata-sff.c')
-rw-r--r--drivers/ata/libata-sff.c109
1 files changed, 56 insertions, 53 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 8544321293d..04024a55666 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -51,13 +51,13 @@ const struct ata_port_operations ata_sff_port_ops = {
.error_handler = ata_sff_error_handler,
.post_internal_cmd = ata_sff_post_internal_cmd,
- .dev_select = ata_sff_dev_select,
- .check_status = ata_sff_check_status,
- .tf_load = ata_sff_tf_load,
- .tf_read = ata_sff_tf_read,
- .exec_command = ata_sff_exec_command,
- .data_xfer = ata_sff_data_xfer,
- .irq_on = ata_sff_irq_on,
+ .sff_dev_select = ata_sff_dev_select,
+ .sff_check_status = ata_sff_check_status,
+ .sff_tf_load = ata_sff_tf_load,
+ .sff_tf_read = ata_sff_tf_read,
+ .sff_exec_command = ata_sff_exec_command,
+ .sff_data_xfer = ata_sff_data_xfer,
+ .sff_irq_on = ata_sff_irq_on,
.port_start = ata_sff_port_start,
};
@@ -71,7 +71,7 @@ const struct ata_port_operations ata_bmdma_port_ops = {
.bmdma_start = ata_bmdma_start,
.bmdma_stop = ata_bmdma_stop,
.bmdma_status = ata_bmdma_status,
- .irq_clear = ata_sff_irq_clear,
+ .sff_irq_clear = ata_sff_irq_clear,
};
/**
@@ -245,8 +245,8 @@ u8 ata_sff_check_status(struct ata_port *ap)
*/
u8 ata_sff_altstatus(struct ata_port *ap)
{
- if (ap->ops->check_altstatus)
- return ap->ops->check_altstatus(ap);
+ if (ap->ops->sff_check_altstatus)
+ return ap->ops->sff_check_altstatus(ap);
return ioread8(ap->ioaddr.altstatus_addr);
}
@@ -290,7 +290,7 @@ int ata_sff_busy_sleep(struct ata_port *ap,
while (status != 0xff && (status & ATA_BUSY) &&
time_before(jiffies, timeout)) {
msleep(50);
- status = ap->ops->check_status(ap);
+ status = ap->ops->sff_check_status(ap);
}
if (status == 0xff)
@@ -326,7 +326,7 @@ int ata_sff_wait_ready(struct ata_port *ap, unsigned long deadline)
int warned = 0;
while (1) {
- u8 status = ap->ops->check_status(ap);
+ u8 status = ap->ops->sff_check_status(ap);
unsigned long now = jiffies;
if (!(status & ATA_BUSY))
@@ -403,7 +403,7 @@ void ata_dev_select(struct ata_port *ap, unsigned int device,
if (wait)
ata_wait_idle(ap);
- ap->ops->dev_select(ap, device);
+ ap->ops->sff_dev_select(ap, device);
if (wait) {
if (can_sleep && ap->link.device[device].class == ATA_DEV_ATAPI)
@@ -434,7 +434,7 @@ u8 ata_sff_irq_on(struct ata_port *ap)
iowrite8(ap->ctl, ioaddr->ctl_addr);
tmp = ata_wait_idle(ap);
- ap->ops->irq_clear(ap);
+ ap->ops->sff_irq_clear(ap);
return tmp;
}
@@ -593,8 +593,8 @@ void ata_sff_exec_command(struct ata_port *ap, const struct ata_taskfile *tf)
static inline void ata_tf_to_host(struct ata_port *ap,
const struct ata_taskfile *tf)
{
- ap->ops->tf_load(ap, tf);
- ap->ops->exec_command(ap, tf);
+ ap->ops->sff_tf_load(ap, tf);
+ ap->ops->sff_exec_command(ap, tf);
}
/**
@@ -709,13 +709,15 @@ static void ata_pio_sector(struct ata_queued_cmd *qc)
buf = kmap_atomic(page, KM_IRQ0);
/* do the actual data transfer */
- ap->ops->data_xfer(qc->dev, buf + offset, qc->sect_size, do_write);
+ ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size,
+ do_write);
kunmap_atomic(buf, KM_IRQ0);
local_irq_restore(flags);
} else {
buf = page_address(page);
- ap->ops->data_xfer(qc->dev, buf + offset, qc->sect_size, do_write);
+ ap->ops->sff_data_xfer(qc->dev, buf + offset, qc->sect_size,
+ do_write);
}
qc->curbytes += qc->sect_size;
@@ -772,7 +774,7 @@ static void atapi_send_cdb(struct ata_port *ap, struct ata_queued_cmd *qc)
DPRINTK("send cdb\n");
WARN_ON(qc->dev->cdb_len < 12);
- ap->ops->data_xfer(qc->dev, qc->cdb, qc->dev->cdb_len, 1);
+ ap->ops->sff_data_xfer(qc->dev, qc->cdb, qc->dev->cdb_len, 1);
ata_sff_altstatus(ap); /* flush */
switch (qc->tf.protocol) {
@@ -844,13 +846,13 @@ next_sg:
buf = kmap_atomic(page, KM_IRQ0);
/* do the actual data transfer */
- consumed = ap->ops->data_xfer(dev, buf + offset, count, rw);
+ consumed = ap->ops->sff_data_xfer(dev, buf + offset, count, rw);
kunmap_atomic(buf, KM_IRQ0);
local_irq_restore(flags);
} else {
buf = page_address(page);
- consumed = ap->ops->data_xfer(dev, buf + offset, count, rw);
+ consumed = ap->ops->sff_data_xfer(dev, buf + offset, count, rw);
}
bytes -= min(bytes, consumed);
@@ -893,7 +895,7 @@ static void atapi_pio_bytes(struct ata_queued_cmd *qc)
* error, qc->result_tf is later overwritten by ata_qc_complete().
* So, the correctness of qc->result_tf is not affected.
*/
- ap->ops->tf_read(ap, &qc->result_tf);
+ ap->ops->sff_tf_read(ap, &qc->result_tf);
ireason = qc->result_tf.nsect;
bc_lo = qc->result_tf.lbam;
bc_hi = qc->result_tf.lbah;
@@ -979,7 +981,7 @@ static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq)
qc = ata_qc_from_tag(ap, qc->tag);
if (qc) {
if (likely(!(qc->err_mask & AC_ERR_HSM))) {
- ap->ops->irq_on(ap);
+ ap->ops->sff_irq_on(ap);
ata_qc_complete(qc);
} else
ata_port_freeze(ap);
@@ -995,7 +997,7 @@ static void ata_hsm_qc_complete(struct ata_queued_cmd *qc, int in_wq)
} else {
if (in_wq) {
spin_lock_irqsave(ap->lock, flags);
- ap->ops->irq_on(ap);
+ ap->ops->sff_irq_on(ap);
ata_qc_complete(qc);
spin_unlock_irqrestore(ap->lock, flags);
} else
@@ -1345,7 +1347,7 @@ unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc)
case ATA_PROT_DMA:
WARN_ON(qc->tf.flags & ATA_TFLAG_POLLING);
- ap->ops->tf_load(ap, &qc->tf); /* load tf registers */
+ ap->ops->sff_tf_load(ap, &qc->tf); /* load tf registers */
ap->ops->bmdma_setup(qc); /* set up bmdma */
ap->ops->bmdma_start(qc); /* initiate bmdma */
ap->hsm_task_state = HSM_ST_LAST;
@@ -1397,7 +1399,7 @@ unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc)
case ATAPI_PROT_DMA:
WARN_ON(qc->tf.flags & ATA_TFLAG_POLLING);
- ap->ops->tf_load(ap, &qc->tf); /* load tf registers */
+ ap->ops->sff_tf_load(ap, &qc->tf); /* load tf registers */
ap->ops->bmdma_setup(qc); /* set up bmdma */
ap->hsm_task_state = HSM_ST_FIRST;
@@ -1486,12 +1488,12 @@ inline unsigned int ata_sff_host_intr(struct ata_port *ap,
goto idle_irq;
/* check main status, clearing INTRQ */
- status = ap->ops->check_status(ap);
+ status = ap->ops->sff_check_status(ap);
if (unlikely(status & ATA_BUSY))
goto idle_irq;
/* ack bmdma irq events */
- ap->ops->irq_clear(ap);
+ ap->ops->sff_irq_clear(ap);
ata_sff_hsm_move(ap, qc, status, 0);
@@ -1506,8 +1508,8 @@ idle_irq:
#ifdef ATA_IRQ_TRAP
if ((ap->stats.idle_irq % 1000) == 0) {
- ap->ops->check_status(ap);
- ap->ops->irq_clear(ap);
+ ap->ops->sff_check_status(ap);
+ ap->ops->sff_irq_clear(ap);
ata_port_printk(ap, KERN_WARNING, "irq trap\n");
return 1;
}
@@ -1582,9 +1584,9 @@ void ata_sff_freeze(struct ata_port *ap)
* ATA_NIEN manipulation. Also, many controllers fail to mask
* previously pending IRQ on ATA_NIEN assertion. Clear it.
*/
- ap->ops->check_status(ap);
+ ap->ops->sff_check_status(ap);
- ap->ops->irq_clear(ap);
+ ap->ops->sff_irq_clear(ap);
}
/**
@@ -1599,9 +1601,9 @@ void ata_sff_freeze(struct ata_port *ap)
void ata_sff_thaw(struct ata_port *ap)
{
/* clear & re-enable interrupts */
- ap->ops->check_status(ap);
- ap->ops->irq_clear(ap);
- ap->ops->irq_on(ap);
+ ap->ops->sff_check_status(ap);
+ ap->ops->sff_irq_clear(ap);
+ ap->ops->sff_irq_on(ap);
}
/**
@@ -1626,7 +1628,7 @@ static unsigned int ata_devchk(struct ata_port *ap, unsigned int device)
struct ata_ioports *ioaddr = &ap->ioaddr;
u8 nsect, lbal;
- ap->ops->dev_select(ap, device);
+ ap->ops->sff_dev_select(ap, device);
iowrite8(0x55, ioaddr->nsect_addr);
iowrite8(0xaa, ioaddr->lbal_addr);
@@ -1675,11 +1677,11 @@ unsigned int ata_sff_dev_classify(struct ata_device *dev, int present,
unsigned int class;
u8 err;
- ap->ops->dev_select(ap, dev->devno);
+ ap->ops->sff_dev_select(ap, dev->devno);
memset(&tf, 0, sizeof(tf));
- ap->ops->tf_read(ap, &tf);
+ ap->ops->sff_tf_read(ap, &tf);
err = tf.feature;
if (r_err)
*r_err = err;
@@ -1709,7 +1711,8 @@ unsigned int ata_sff_dev_classify(struct ata_device *dev, int present,
class = ATA_DEV_ATA;
else
class = ATA_DEV_NONE;
- } else if ((class == ATA_DEV_ATA) && (ap->ops->check_status(ap) == 0))
+ } else if ((class == ATA_DEV_ATA) &&
+ (ap->ops->sff_check_status(ap) == 0))
class = ATA_DEV_NONE;
return class;
@@ -1741,7 +1744,7 @@ static int ata_bus_post_reset(struct ata_port *ap, unsigned int devmask,
if (dev1) {
int i;
- ap->ops->dev_select(ap, 1);
+ ap->ops->sff_dev_select(ap, 1);
/* Wait for register access. Some ATAPI devices fail
* to set nsect/lbal after reset, so don't waste too
@@ -1766,11 +1769,11 @@ static int ata_bus_post_reset(struct ata_port *ap, unsigned int devmask,
}
/* is all this really necessary? */
- ap->ops->dev_select(ap, 0);
+ ap->ops->sff_dev_select(ap, 0);
if (dev1)
- ap->ops->dev_select(ap, 1);
+ ap->ops->sff_dev_select(ap, 1);
if (dev0)
- ap->ops->dev_select(ap, 0);
+ ap->ops->sff_dev_select(ap, 0);
return ret;
}
@@ -1820,7 +1823,7 @@ void ata_sff_wait_after_reset(struct ata_port *ap, unsigned long deadline)
*/
if (ap->flags & ATA_FLAG_SATA) {
while (1) {
- u8 status = ap->ops->check_status(ap);
+ u8 status = ap->ops->sff_check_status(ap);
if (status != 0xff || time_after(jiffies, deadline))
return;
@@ -1851,7 +1854,7 @@ static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask,
* the bus shows 0xFF because the odd clown forgets the D7
* pulldown resistor.
*/
- if (ap->ops->check_status(ap) == 0xFF)
+ if (ap->ops->sff_check_status(ap) == 0xFF)
return -ENODEV;
return ata_bus_post_reset(ap, devmask, deadline);
@@ -1894,7 +1897,7 @@ int ata_sff_softreset(struct ata_link *link, unsigned int *classes,
devmask |= (1 << 1);
/* select device 0 again */
- ap->ops->dev_select(ap, 0);
+ ap->ops->sff_dev_select(ap, 0);
/* issue bus reset */
DPRINTK("about to softreset, devmask=%x\n", devmask);
@@ -1977,7 +1980,7 @@ int sata_sff_hardreset(struct ata_link *link, unsigned int *class,
return rc;
}
- ap->ops->dev_select(ap, 0); /* probably unnecessary */
+ ap->ops->sff_dev_select(ap, 0); /* probably unnecessary */
*class = ata_sff_dev_classify(link->device, 1, NULL);
@@ -2035,8 +2038,8 @@ void ata_sff_error_handler(struct ata_port *ap)
}
ata_sff_altstatus(ap);
- ap->ops->check_status(ap);
- ap->ops->irq_clear(ap);
+ ap->ops->sff_check_status(ap);
+ ap->ops->sff_irq_clear(ap);
spin_unlock_irqrestore(ap->lock, flags);
@@ -2153,7 +2156,7 @@ void ata_bmdma_setup(struct ata_queued_cmd *qc)
iowrite8(dmactl, ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
/* issue r/w command */
- ap->ops->exec_command(ap, &qc->tf);
+ ap->ops->sff_exec_command(ap, &qc->tf);
}
/**
@@ -2277,7 +2280,7 @@ void ata_bus_reset(struct ata_port *ap)
devmask |= (1 << 1);
/* select device 0 again */
- ap->ops->dev_select(ap, 0);
+ ap->ops->sff_dev_select(ap, 0);
/* issue bus reset */
if (ap->flags & ATA_FLAG_SRST) {
@@ -2295,9 +2298,9 @@ void ata_bus_reset(struct ata_port *ap)
/* is double-select really necessary? */
if (device[1].class != ATA_DEV_NONE)
- ap->ops->dev_select(ap, 1);
+ ap->ops->sff_dev_select(ap, 1);
if (device[0].class != ATA_DEV_NONE)
- ap->ops->dev_select(ap, 0);
+ ap->ops->sff_dev_select(ap, 0);
/* if no devices were detected, disable this port */
if ((device[0].class == ATA_DEV_NONE) &&
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-18 07:10:35 +0000