xtensa: implement ack_bad_irq()

The ack_bad_irq() function has been missing for xtensa.

Signed-off-by: Chris Zankel <chris@zankel.net>

diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index 4340ee076bd522f88229aae7f474ce4a59493a40..7ddc1af5807a56f3c8073841c04222d7a882f4d9 100644 (file)
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -25,6 +25,11 @@
 static unsigned int cached_irq_mask;
 
 atomic_t irq_err_count;
+void ack_bad_irq(unsigned int irq)
+{
+        atomic_inc(&irq_err_count);
+        printk(KERN_ERR "IRQ: spurious interrupt %d\n", irq);
+}
 
 /*
  * do_IRQ handles all normal device IRQ's (the special