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Subject[patch 07/19] genirq; Provide compat handling for chip->ack()
Wrap the old chip function ack() until the migration is complete and
the old chip functions are removed.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/irq/chip.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
Index: linux-2.6-tip/kernel/irq/chip.c
===================================================================
--- linux-2.6-tip.orig/kernel/irq/chip.c
+++ linux-2.6-tip/kernel/irq/chip.c
@@ -338,6 +338,11 @@ static void compat_irq_unmask(struct irq
irq_data_to_desc(data)->chip->unmask(data->irq);
}

+static void compat_irq_ack(struct irq_data *data)
+{
+ irq_data_to_desc(data)->chip->ack(data->irq);
+}
+
static void compat_bus_lock(struct irq_data *data)
{
irq_data_to_desc(data)->chip->bus_lock(data->irq);
@@ -375,12 +380,12 @@ void irq_chip_set_defaults(struct irq_ch
chip->irq_bus_lock = compat_bus_lock;
if (chip->bus_sync_unlock)
chip->irq_bus_sync_unlock = compat_bus_sync_unlock;
-
if (chip->mask)
chip->irq_mask = compat_irq_mask;
-
if (chip->unmask)
chip->irq_unmask = compat_irq_unmask;
+ if (chip->ack)
+ chip->irq_ack = compat_irq_ack;
}

static inline void mask_ack_irq(struct irq_desc *desc, int irq)
@@ -389,8 +394,8 @@ static inline void mask_ack_irq(struct i
desc->chip->mask_ack(irq);
else {
desc->chip->irq_mask(&desc->irq_data);
- if (desc->chip->ack)
- desc->chip->ack(irq);
+ if (desc->chip->irq_ack)
+ desc->chip->irq_ack(&desc->irq_data);
}
desc->status |= IRQ_MASKED;
}
@@ -629,8 +634,7 @@ handle_edge_irq(unsigned int irq, struct
kstat_incr_irqs_this_cpu(irq, desc);

/* Start handling the irq */
- if (desc->chip->ack)
- desc->chip->ack(irq);
+ desc->chip->irq_ack(&desc->irq_data);

/* Mark the IRQ currently in progress.*/
desc->status |= IRQ_INPROGRESS;
@@ -683,8 +687,8 @@ handle_percpu_irq(unsigned int irq, stru

kstat_incr_irqs_this_cpu(irq, desc);

- if (desc->chip->ack)
- desc->chip->ack(irq);
+ if (desc->chip->irq_ack)
+ desc->chip->irq_ack(&desc->irq_data);

action_ret = handle_IRQ_event(irq, desc->action);
if (!noirqdebug)



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