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libata: kill ata_chk_status()

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ata_chk_status() just calls ops->check_status and it only adds
confusion with other status functions.  Kill it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo
2008-03-25 22:16:44 +09:00
committed by Jeff Garzik
parent 3d5a3d67a5
commit 6fd3639011
8 changed files with 24 additions and 29 deletions
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22
drivers/ata/libata-sff.c
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@@ -290,7 +290,7 @@ int ata_busy_sleep(struct ata_port *ap,
while (status != 0xff && (status & ATA_BUSY) &&
time_before(jiffies, timeout)) {
msleep(50);
status = ata_chk_status(ap);
status = ap->ops->check_status(ap);
}
if (status == 0xff)
@@ -326,7 +326,7 @@ int ata_wait_ready(struct ata_port *ap, unsigned long deadline)
int warned = 0;
while (1) {
u8 status = ata_chk_status(ap);
u8 status = ap->ops->check_status(ap);
unsigned long now = jiffies;
if (!(status & ATA_BUSY))
@@ -1486,7 +1486,7 @@ inline unsigned int ata_host_intr(struct ata_port *ap,
goto idle_irq;
/* check main status, clearing INTRQ */
status = ata_chk_status(ap);
status = ap->ops->check_status(ap);
if (unlikely(status & ATA_BUSY))
goto idle_irq;
@@ -1506,7 +1506,7 @@ idle_irq:
#ifdef ATA_IRQ_TRAP
if ((ap->stats.idle_irq % 1000) == 0) {
ata_chk_status(ap);
ap->ops->check_status(ap);
ap->ops->irq_clear(ap);
ata_port_printk(ap, KERN_WARNING, "irq trap\n");
return 1;
@@ -1582,7 +1582,7 @@ void ata_bmdma_freeze(struct ata_port *ap)
* ATA_NIEN manipulation. Also, many controllers fail to mask
* previously pending IRQ on ATA_NIEN assertion. Clear it.
*/
ata_chk_status(ap);
ap->ops->check_status(ap);
ap->ops->irq_clear(ap);
}
@@ -1599,7 +1599,7 @@ void ata_bmdma_freeze(struct ata_port *ap)
void ata_bmdma_thaw(struct ata_port *ap)
{
/* clear & re-enable interrupts */
ata_chk_status(ap);
ap->ops->check_status(ap);
ap->ops->irq_clear(ap);
ap->ops->irq_on(ap);
}
@@ -1709,7 +1709,7 @@ unsigned int ata_dev_try_classify(struct ata_device *dev, int present,
class = ATA_DEV_ATA;
else
class = ATA_DEV_NONE;
} else if ((class == ATA_DEV_ATA) && (ata_chk_status(ap) == 0))
} else if ((class == ATA_DEV_ATA) && (ap->ops->check_status(ap) == 0))
class = ATA_DEV_NONE;
return class;
@@ -1820,7 +1820,7 @@ void ata_wait_after_reset(struct ata_port *ap, unsigned long deadline)
*/
if (ap->flags & ATA_FLAG_SATA) {
while (1) {
u8 status = ata_chk_status(ap);
u8 status = ap->ops->check_status(ap);
if (status != 0xff || time_after(jiffies, deadline))
return;
@@ -1851,7 +1851,7 @@ 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 (ata_chk_status(ap) == 0xFF)
if (ap->ops->check_status(ap) == 0xFF)
return -ENODEV;
return ata_bus_post_reset(ap, devmask, deadline);
@@ -2034,7 +2034,7 @@ void ata_bmdma_error_handler(struct ata_port *ap)
}
ata_altstatus(ap);
ata_chk_status(ap);
ap->ops->check_status(ap);
ap->ops->irq_clear(ap);
spin_unlock_irqrestore(ap->lock, flags);
@@ -2725,7 +2725,6 @@ EXPORT_SYMBOL_GPL(ata_sff_port_ops);
EXPORT_SYMBOL_GPL(ata_bmdma_port_ops);
EXPORT_SYMBOL_GPL(ata_qc_prep);
EXPORT_SYMBOL_GPL(ata_dumb_qc_prep);
EXPORT_SYMBOL_GPL(ata_pci_default_filter);
EXPORT_SYMBOL_GPL(ata_std_dev_select);
EXPORT_SYMBOL_GPL(ata_check_status);
EXPORT_SYMBOL_GPL(ata_altstatus);
@@ -2754,6 +2753,7 @@ EXPORT_SYMBOL_GPL(ata_bmdma_error_handler);
EXPORT_SYMBOL_GPL(ata_bmdma_post_internal_cmd);
EXPORT_SYMBOL_GPL(ata_sff_port_start);
EXPORT_SYMBOL_GPL(ata_std_ports);
EXPORT_SYMBOL_GPL(ata_pci_default_filter);
EXPORT_SYMBOL_GPL(ata_bmdma_setup);
EXPORT_SYMBOL_GPL(ata_bmdma_start);
EXPORT_SYMBOL_GPL(ata_bmdma_stop);