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

Wrap the old chip function set_affinity() 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: <20100927121842.732894108@linutronix.de>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Reviewed-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 8 insertions, 0 deletions

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index cce85f0734b0..df51792d9fd3 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -370,6 +370,12 @@ static unsigned int compat_irq_startup(struct irq_data *data)
         return data->chip->startup(data->irq);
 }
 
+static int compat_irq_set_affinity(struct irq_data *data,
+                                   const struct cpumask *dest, bool force)
+{
+        return data->chip->set_affinity(data->irq, dest);
+}
+
 static void compat_bus_lock(struct irq_data *data)
 {
         data->chip->bus_lock(data->irq);
@@ -436,6 +442,8 @@ void irq_chip_set_defaults(struct irq_chip *chip)
                 chip->irq_mask_ack = compat_irq_mask_ack;
         if (chip->eoi)
                 chip->irq_eoi = compat_irq_eoi;
+        if (chip->set_affinity)
+                chip->irq_set_affinity = compat_irq_set_affinity;
 }
 
 static inline void mask_ack_irq(struct irq_desc *desc)