genirq: Provide compat handling for chip->startup()
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>
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index b8a47f0..cce85f0 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -305,11 +305,11 @@
/*
* 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 @@
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 @@
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 @@
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 @@
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);