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[libata] Remove ->irq_ack() hook, and ata_dummy_irq_on()

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* ->irq_ack() is redundant to what the irq handler already
  performs... chk-status + irq-clear.  Furthermore, it is only
  called in one place, when screaming-irq-debugging is enabled,
  so we don't want to bother with a hook just for that.

* ata_dummy_irq_on() is only ever used in drivers that have
  no callpath reaching ->irq_on().  Remove .irq_on hook from
  those drivers, and the now-unused ata_dummy_irq_on()

Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jeff Garzik
2007-08-15 05:38:46 -04:00
parent cb94c1cf5a
commit 6d32d30f55
66 changed files with 2 additions and 207 deletions
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4
drivers/ata/ahci.c
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@@ -276,8 +276,6 @@ static const struct ata_port_operations ahci_ops = {
.qc_issue = ahci_qc_issue,
.irq_clear = ahci_irq_clear,
.irq_on = ata_dummy_irq_on,
.irq_ack = ata_dummy_irq_ack,
.scr_read = ahci_scr_read,
.scr_write = ahci_scr_write,
@@ -310,8 +308,6 @@ static const struct ata_port_operations ahci_vt8251_ops = {
.qc_issue = ahci_qc_issue,
.irq_clear = ahci_irq_clear,
.irq_on = ata_dummy_irq_on,
.irq_ack = ata_dummy_irq_ack,
.scr_read = ahci_scr_read,
.scr_write = ahci_scr_write,