diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c
index c98c9ea3372c53797d317f9b43c2614c82b0f58d..324ad72d7c3622414280af50ab579e5dd107f3eb 100644
--- a/arch/mips/alchemy/devboards/bcsr.c
+++ b/arch/mips/alchemy/devboards/bcsr.c
@@ -8,6 +8,7 @@
  */
 
 #include <linux/interrupt.h>
+#include <linux/irqchip/chained_irq.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/irq.h>
@@ -88,10 +89,11 @@ EXPORT_SYMBOL_GPL(bcsr_mod);
 static void bcsr_csc_handler(unsigned int irq, struct irq_desc *d)
 {
 	unsigned short bisr = __raw_readw(bcsr_virt + BCSR_REG_INTSTAT);
+	struct irq_chip *chip = irq_desc_get_chip(d);
 
-	disable_irq_nosync(irq);
+	chained_irq_enter(chip, d);
 	generic_handle_irq(bcsr_csc_base + __ffs(bisr));
-	enable_irq(irq);
+	chained_irq_exit(chip, d);
 }
 
 static void bcsr_irq_mask(struct irq_data *d)