1 files changed, 8 insertions, 0 deletions

diff --git a/arch/mips/dec/ioasic-irq.c b/arch/mips/dec/ioasic-irq.c
index 824e08c73798..4b3e3a4375a6 100644
--- a/arch/mips/dec/ioasic-irq.c
+++ b/arch/mips/dec/ioasic-irq.c
@@ -51,6 +51,14 @@ static struct irq_chip ioasic_irq_type = {
         .irq_unmask = unmask_ioasic_irq,
 };
 
+void clear_ioasic_dma_irq(unsigned int irq)
+{
+        u32 sir;
+
+        sir = ~(1 << (irq - ioasic_irq_base));
+        ioasic_write(IO_REG_SIR, sir);
+}
+
 static struct irq_chip ioasic_dma_irq_type = {
         .name = "IO-ASIC-DMA",
         .irq_ack = ack_ioasic_irq,