linux-kernel - [PATCH -next] s390/ap: remove unnecessary spin_lock

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Message-ID: <20200916062130.190910-1-miaoqinglang@huawei.com>
Date:   Wed, 16 Sep 2020 14:21:30 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Harald Freudenberger <freude@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>
CC:     <linux-s390@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "Qinglang Miao" <miaoqinglang@...wei.com>
Subject: [PATCH -next] s390/ap: remove unnecessary spin_lock_init()

The spinlock ap_poll_timer_lock is initialized statically. It is
unnecessary to initialize by spin_lock_init().

Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>
---
 drivers/s390/crypto/ap_bus.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 24a1940b8..231a98c91 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1575,7 +1575,6 @@ static int __init ap_module_init(void)
 	 */
 	if (MACHINE_IS_VM)
 		poll_timeout = 1500000;
-	spin_lock_init(&ap_poll_timer_lock);
 	hrtimer_init(&ap_poll_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS);
 	ap_poll_timer.function = ap_poll_timeout;
 
-- 
2.23.0