genirq: Provide compat handling for chip->mask_ack()
Wrap the old chip function mask_ack() until the migration is complete
and the old chip functions are removed.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20100927121842.240806983@linutronix.de>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 864c3ab..09c1a44 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -340,6 +340,11 @@
data->chip->ack(data->irq);
}
+static void compat_irq_mask_ack(struct irq_data *data)
+{
+ data->chip->mask_ack(data->irq);
+}
+
static void compat_bus_lock(struct irq_data *data)
{
data->chip->bus_lock(data->irq);
@@ -383,12 +388,14 @@
chip->irq_unmask = compat_irq_unmask;
if (chip->ack)
chip->irq_ack = compat_irq_ack;
+ if (chip->mask_ack)
+ chip->irq_mask_ack = compat_irq_mask_ack;
}
-static inline void mask_ack_irq(struct irq_desc *desc, int irq)
+static inline void mask_ack_irq(struct irq_desc *desc)
{
- if (desc->irq_data.chip->mask_ack)
- desc->irq_data.chip->mask_ack(irq);
+ if (desc->irq_data.chip->irq_mask_ack)
+ desc->irq_data.chip->irq_mask_ack(&desc->irq_data);
else {
desc->irq_data.chip->irq_mask(&desc->irq_data);
if (desc->irq_data.chip->irq_ack)
@@ -511,7 +518,7 @@
irqreturn_t action_ret;
raw_spin_lock(&desc->lock);
- mask_ack_irq(desc, irq);
+ mask_ack_irq(desc);
if (unlikely(desc->status & IRQ_INPROGRESS))
goto out_unlock;
@@ -625,7 +632,7 @@
if (unlikely((desc->status & (IRQ_INPROGRESS | IRQ_DISABLED)) ||
!desc->action)) {
desc->status |= (IRQ_PENDING | IRQ_MASKED);
- mask_ack_irq(desc, irq);
+ mask_ack_irq(desc);
goto out_unlock;
}
kstat_incr_irqs_this_cpu(irq, desc);
@@ -729,7 +736,7 @@
/* Uninstall? */
if (handle == handle_bad_irq) {
if (desc->irq_data.chip != &no_irq_chip)
- mask_ack_irq(desc, irq);
+ mask_ack_irq(desc);
desc->status |= IRQ_DISABLED;
desc->depth = 1;
}