1 files changed, 4 insertions, 5 deletions

diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index 98d62d8efeaf..3467097ca61a 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -9,6 +9,7 @@
 #include <linux/irq.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
+#include <linux/delay.h>
 
 /*
  * Autodetection depends on the fact that any interrupt that
@@ -26,7 +27,7 @@ static DECLARE_MUTEX(probe_sem);
  */
 unsigned long probe_irq_on(void)
 {
-        unsigned long val, delay;
+        unsigned long val;
         irq_desc_t *desc;
         unsigned int i;
 
@@ -45,8 +46,7 @@ unsigned long probe_irq_on(void)
         }
 
         /* Wait for longstanding interrupts to trigger. */
-        for (delay = jiffies + HZ/50; time_after(delay, jiffies); )
-                /* about 20ms delay */ barrier();
+        msleep(20);
 
         /*
          * enable any unassigned irqs
@@ -68,8 +68,7 @@ unsigned long probe_irq_on(void)
         /*
          * Wait for spurious interrupts to trigger
          */
-        for (delay = jiffies + HZ/10; time_after(delay, jiffies); )
-                /* about 100ms delay */ barrier();
+        msleep(100);
 
         /*
          * Now filter out any obviously spurious interrupts