1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 7c13581ca9c..7c43ae782b2 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -241,6 +241,10 @@
 #include <linux/percpu.h>
 #include <linux/cryptohash.h>
 
+#ifdef CONFIG_GENERIC_HARDIRQS
+# include <linux/irq.h>
+#endif
+
 #include <asm/processor.h>
 #include <asm/uaccess.h>
 #include <asm/irq.h>
@@ -558,7 +562,7 @@ struct timer_rand_state {
         unsigned dont_count_entropy:1;
 };
 
-#ifndef CONFIG_SPARSE_IRQ
+#ifndef CONFIG_GENERIC_HARDIRQS
 
 static struct timer_rand_state *irq_timer_state[NR_IRQS];