linux-kernel - [PATCH -next] crypto: geode -: use DEFINE

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Message-ID: <1617710403-48471-1-git-send-email-huangguobin4@huawei.com>
Date:   Tue, 6 Apr 2021 20:00:03 +0800
From:   Huang Guobin <huangguobin4@...wei.com>
To:     <huangguobin4@...wei.com>, "David S. Miller" <davem@...emloft.net>,
        Herbert Xu <herbert@...dor.apana.org.au>
CC:     <linux-geode@...ts.infradead.org>, <linux-crypto@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] crypto: geode -: use DEFINE_SPINLOCK() for spinlock

From: Guobin Huang <huangguobin4@...wei.com>

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

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Guobin Huang <huangguobin4@...wei.com>
---
 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);