crypto: geode - use DEFINE_SPINLOCK() for spinlock

spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Guobin Huang <huangguobin4@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/geode-aes.c

@@ -21,7 +21,7 @@
 /* Static structures */
 
 static void __iomem *_iobase;
-static spinlock_t lock;
+static DEFINE_SPINLOCK(lock);
 
 /* Write a 128 bit field (either a writable key or IV) */
 static inline void
@@ -383,8 +383,6 @@ static int geode_aes_probe(struct pci_dev *dev, const struct pci_device_id *id)
 		goto erequest;
 	}
 
-	spin_lock_init(&lock);
-
 	/* Clear any pending activity */
 	iowrite32(AES_INTR_PENDING | AES_INTR_MASK, _iobase + AES_INTR_REG);