[PATCH -next] crypto: geode -: use DEFINE_SPINLOCK() for spinlock

From: Huang Guobin
Date: Tue Apr 06 2021 - 08:00:31 EST


From: Guobin Huang <huangguobin4@xxxxxxxxxx>

spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Guobin Huang <huangguobin4@xxxxxxxxxx>
---
drivers/crypto/geode-aes.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/crypto/geode-aes.c b/drivers/crypto/geode-aes.c
index 4ee010f39912..fa5a9f207bc9 100644
--- a/drivers/crypto/geode-aes.c
+++ b/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);