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genirq: Provide compat handling for chip->startup()

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Wrap the old chip function startup() 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: <20100927121842.635152961@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 12:45:38 +00:00
parent bc310dda41
commit 37e12df709
4 changed files with 16 additions and 16 deletions
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19
kernel/irq/chip.c
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@@ -305,11 +305,11 @@ static void default_disable(struct irq_data *data)
/*
* default startup function
*/
static unsigned int default_startup(unsigned int irq)
static unsigned int default_startup(struct irq_data *data)
{
struct irq_desc *desc = irq_to_desc(irq);
struct irq_desc *desc = irq_data_to_desc(data);
desc->irq_data.chip->irq_enable(&desc->irq_data);
desc->irq_data.chip->irq_enable(data);
return 0;
}
@@ -365,6 +365,11 @@ static void compat_irq_shutdown(struct irq_data *data)
data->chip->shutdown(data->irq);
}
static unsigned int compat_irq_startup(struct irq_data *data)
{
return data->chip->startup(data->irq);
}
static void compat_bus_lock(struct irq_data *data)
{
data->chip->bus_lock(data->irq);
@@ -390,6 +395,8 @@ void irq_chip_set_defaults(struct irq_chip *chip)
chip->irq_disable = compat_irq_disable;
if (chip->shutdown)
chip->irq_shutdown = compat_irq_shutdown;
if (chip->startup)
chip->irq_startup = compat_irq_startup;
/*
* The real defaults
@@ -398,8 +405,8 @@ void irq_chip_set_defaults(struct irq_chip *chip)
chip->irq_enable = default_enable;
if (!chip->irq_disable)
chip->irq_disable = default_disable;
if (!chip->startup)
chip->startup = default_startup;
if (!chip->irq_startup)
chip->irq_startup = default_startup;
/*
* We use chip->irq_disable, when the user provided its own. When
* we have default_disable set for chip->irq_disable, then we need
@@ -786,7 +793,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
desc->status &= ~IRQ_DISABLED;
desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE;
desc->depth = 0;
desc->irq_data.chip->startup(irq);
desc->irq_data.chip->irq_startup(&desc->irq_data);
}
raw_spin_unlock_irqrestore(&desc->lock, flags);
chip_bus_sync_unlock(desc);