diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/autoprobe.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c index 98d62d8efea..3467097ca61 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 |