diff --git a/drivers/ata/pata_winbond.c b/drivers/ata/pata_winbond.c
index aa6d4bc..cc4ad27 100644
--- a/drivers/ata/pata_winbond.c
+++ b/drivers/ata/pata_winbond.c
@@ -35,7 +35,7 @@
 static int probe_winbond;
 #endif
 
-static spinlock_t winbond_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(winbond_lock);
 
 static void winbond_writecfg(unsigned long port, u8 reg, u8 val)
 {