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Diffstat (limited to 'arch/powerpc/sysdev/i8259.c')
-rw-r--r--arch/powerpc/sysdev/i8259.c59
1 files changed, 23 insertions, 36 deletions
diff --git a/arch/powerpc/sysdev/i8259.c b/arch/powerpc/sysdev/i8259.c
index 6323e70e6bf4..d18bb27e4df9 100644
--- a/arch/powerpc/sysdev/i8259.c
+++ b/arch/powerpc/sysdev/i8259.c
@@ -78,19 +78,19 @@ unsigned int i8259_irq(void)
return irq;
}
-static void i8259_mask_and_ack_irq(unsigned int irq_nr)
+static void i8259_mask_and_ack_irq(struct irq_data *d)
{
unsigned long flags;
raw_spin_lock_irqsave(&i8259_lock, flags);
- if (irq_nr > 7) {
- cached_A1 |= 1 << (irq_nr-8);
+ if (d->irq > 7) {
+ cached_A1 |= 1 << (d->irq-8);
inb(0xA1); /* DUMMY */
outb(cached_A1, 0xA1);
outb(0x20, 0xA0); /* Non-specific EOI */
outb(0x20, 0x20); /* Non-specific EOI to cascade */
} else {
- cached_21 |= 1 << irq_nr;
+ cached_21 |= 1 << d->irq;
inb(0x21); /* DUMMY */
outb(cached_21, 0x21);
outb(0x20, 0x20); /* Non-specific EOI */
@@ -104,42 +104,42 @@ static void i8259_set_irq_mask(int irq_nr)
outb(cached_21,0x21);
}
-static void i8259_mask_irq(unsigned int irq_nr)
+static void i8259_mask_irq(struct irq_data *d)
{
unsigned long flags;
- pr_debug("i8259_mask_irq(%d)\n", irq_nr);
+ pr_debug("i8259_mask_irq(%d)\n", d->irq);
raw_spin_lock_irqsave(&i8259_lock, flags);
- if (irq_nr < 8)
- cached_21 |= 1 << irq_nr;
+ if (d->irq < 8)
+ cached_21 |= 1 << d->irq;
else
- cached_A1 |= 1 << (irq_nr-8);
- i8259_set_irq_mask(irq_nr);
+ cached_A1 |= 1 << (d->irq-8);
+ i8259_set_irq_mask(d->irq);
raw_spin_unlock_irqrestore(&i8259_lock, flags);
}
-static void i8259_unmask_irq(unsigned int irq_nr)
+static void i8259_unmask_irq(struct irq_data *d)
{
unsigned long flags;
- pr_debug("i8259_unmask_irq(%d)\n", irq_nr);
+ pr_debug("i8259_unmask_irq(%d)\n", d->irq);
raw_spin_lock_irqsave(&i8259_lock, flags);
- if (irq_nr < 8)
- cached_21 &= ~(1 << irq_nr);
+ if (d->irq < 8)
+ cached_21 &= ~(1 << d->irq);
else
- cached_A1 &= ~(1 << (irq_nr-8));
- i8259_set_irq_mask(irq_nr);
+ cached_A1 &= ~(1 << (d->irq-8));
+ i8259_set_irq_mask(d->irq);
raw_spin_unlock_irqrestore(&i8259_lock, flags);
}
static struct irq_chip i8259_pic = {
.name = "i8259",
- .mask = i8259_mask_irq,
- .disable = i8259_mask_irq,
- .unmask = i8259_unmask_irq,
- .mask_ack = i8259_mask_and_ack_irq,
+ .irq_mask = i8259_mask_irq,
+ .irq_disable = i8259_mask_irq,
+ .irq_unmask = i8259_unmask_irq,
+ .irq_mask_ack = i8259_mask_and_ack_irq,
};
static struct resource pic1_iores = {
@@ -175,28 +175,16 @@ static int i8259_host_map(struct irq_host *h, unsigned int virq,
/* We block the internal cascade */
if (hw == 2)
- irq_to_desc(virq)->status |= IRQ_NOREQUEST;
+ irq_set_status_flags(virq, IRQ_NOREQUEST);
/* We use the level handler only for now, we might want to
* be more cautious here but that works for now
*/
- irq_to_desc(virq)->status |= IRQ_LEVEL;
- set_irq_chip_and_handler(virq, &i8259_pic, handle_level_irq);
+ irq_set_status_flags(virq, IRQ_LEVEL);
+ irq_set_chip_and_handler(virq, &i8259_pic, handle_level_irq);
return 0;
}
-static void i8259_host_unmap(struct irq_host *h, unsigned int virq)
-{
- /* Make sure irq is masked in hardware */
- i8259_mask_irq(virq);
-
- /* remove chip and handler */
- set_irq_chip_and_handler(virq, NULL, NULL);
-
- /* Make sure it's completed */
- synchronize_irq(virq);
-}
-
static int i8259_host_xlate(struct irq_host *h, struct device_node *ct,
const u32 *intspec, unsigned int intsize,
irq_hw_number_t *out_hwirq, unsigned int *out_flags)
@@ -220,7 +208,6 @@ static int i8259_host_xlate(struct irq_host *h, struct device_node *ct,
static struct irq_host_ops i8259_host_ops = {
.match = i8259_host_match,
.map = i8259_host_map,
- .unmap = i8259_host_unmap,
.xlate = i8259_host_xlate,
};