[MIPS] Fix broken rm7000/rm9000 interrupt handling

Properly acknowledge RM7K and RM9K interrupts. Before this, interrupts were
permanently masked after their first occurrence, making them non-functional.

Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/mips/kernel/irq-rm9000.c b/arch/mips/kernel/irq-rm9000.c
index 7b04583bd800..ed9febe63d72 100644
--- a/arch/mips/kernel/irq-rm9000.c
+++ b/arch/mips/kernel/irq-rm9000.c
@@ -75,6 +75,7 @@ static struct irq_chip rm9k_irq_controller = {
         .mask = mask_rm9k_irq,
         .mask_ack = mask_rm9k_irq,
         .unmask = unmask_rm9k_irq,
+        .eoi    = unmask_rm9k_irq
 };
 
 static struct irq_chip rm9k_perfcounter_irq = {