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

Wrap the old chip function retrigger() 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: <20100927121843.025801092@linutronix.de>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Reviewed-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 9 insertions, 2 deletions

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 8775dd39ab3d..f2c4d28c508a 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -386,6 +386,11 @@ static int compat_irq_set_wake(struct irq_data *data, unsigned int on)
         return data->chip->set_wake(data->irq, on);
 }
 
+static int compat_irq_retrigger(struct irq_data *data)
+{
+        return data->chip->retrigger(data->irq);
+}
+
 static void compat_bus_lock(struct irq_data *data)
 {
         data->chip->bus_lock(data->irq);
@@ -458,6 +463,8 @@ void irq_chip_set_defaults(struct irq_chip *chip)
                 chip->irq_set_type = compat_irq_set_type;
         if (chip->set_wake)
                 chip->irq_set_wake = compat_irq_set_wake;
+        if (chip->retrigger)
+                chip->irq_retrigger = compat_irq_retrigger;
 }
 
 static inline void mask_ack_irq(struct irq_desc *desc)
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index a798a2328f8a..891115a929aa 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -70,8 +70,8 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq)
         if ((status & (IRQ_LEVEL | IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
                 desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY;
 
-                if (!desc->irq_data.chip->retrigger ||
-                    !desc->irq_data.chip->retrigger(irq)) {
+                if (!desc->irq_data.chip->irq_retrigger ||
+                    !desc->irq_data.chip->irq_retrigger(&desc->irq_data)) {
 #ifdef CONFIG_HARDIRQS_SW_RESEND
                         /* Set it pending and activate the softirq: */
                         set_bit(irq, irqs_resend);