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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>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20100927121842.142624725@linutronix.de>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner 2010-09-27 12:44:47 +00:00
parent 0eda58b7f3
commit 22a49163e9
2 changed files with 12 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
kernel/irq/chip.c
View File

@ -335,6 +335,11 @@ static void compat_irq_unmask(struct irq_data *data)
data->chip->unmask(data->irq);
}
static void compat_irq_ack(struct irq_data *data)
{
data->chip->ack(data->irq);
}
static void compat_bus_lock(struct irq_data *data)
{
data->chip->bus_lock(data->irq);
@ -372,12 +377,12 @@ void irq_chip_set_defaults(struct irq_chip *chip)
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)
@ -386,8 +391,8 @@ static inline void mask_ack_irq(struct irq_desc *desc, int irq)
desc->irq_data.chip->mask_ack(irq);
else {
desc->irq_data.chip->irq_mask(&desc->irq_data);
if (desc->irq_data.chip->ack)
desc->irq_data.chip->ack(irq);
if (desc->irq_data.chip->irq_ack)
desc->irq_data.chip->irq_ack(&desc->irq_data);
}
desc->status |= IRQ_MASKED;
}
@ -626,8 +631,7 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
kstat_incr_irqs_this_cpu(irq, desc);
/* Start handling the irq */
if (desc->irq_data.chip->ack)
desc->irq_data.chip->ack(irq);
desc->irq_data.chip->irq_ack(&desc->irq_data);
/* Mark the IRQ currently in progress.*/
desc->status |= IRQ_INPROGRESS;
@ -680,8 +684,8 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc)
kstat_incr_irqs_this_cpu(irq, desc);
if (desc->irq_data.chip->ack)
desc->irq_data.chip->ack(irq);
if (desc->irq_data.chip->irq_ack)
desc->irq_data.chip->irq_ack(&desc->irq_data);
action_ret = handle_IRQ_event(irq, desc->action);
if (!noirqdebug)

10
kernel/irq/handle.c
View File

@ -299,14 +299,6 @@ static void ack_bad(struct irq_data *data)
ack_bad_irq(data->irq);
}
static void compat_ack_bad(unsigned int irq)
{
struct irq_desc *desc = irq_to_desc(irq);
print_irq_desc(irq, desc);
ack_bad_irq(irq);
}
/*
* NOP functions
*/
@ -338,7 +330,6 @@ struct irq_chip no_irq_chip = {
.shutdown = compat_noop,
.enable = compat_noop,
.disable = compat_noop,
.ack = compat_ack_bad,
.end = compat_noop,
};
@ -359,7 +350,6 @@ struct irq_chip dummy_irq_chip = {
.shutdown = compat_noop,
.enable = compat_noop,
.disable = compat_noop,
.ack = compat_noop,
.end = compat_noop,
};