linux-kernel - [PATCH -next] scsi: megaraid_sas: Use DEFINE

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Message-ID: <20210329094532.4165147-1-liushixin2@huawei.com>
Date:   Mon, 29 Mar 2021 17:45:32 +0800
From:   Shixin Liu <liushixin2@...wei.com>
To:     Kashyap Desai <kashyap.desai@...adcom.com>,
        Sumit Saxena <sumit.saxena@...adcom.com>,
        Shivasharan S <shivasharan.srikanteshwara@...adcom.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
CC:     <megaraidlinux.pdl@...adcom.com>, <linux-scsi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Shixin Liu <liushixin2@...wei.com>
Subject: [PATCH -next] scsi: megaraid_sas: Use DEFINE_SPINLOCK() for spinlock

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

Signed-off-by: Shixin Liu <liushixin2@...wei.com>
---
 drivers/scsi/megaraid/megaraid_sas_base.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 4d4e9dbe5193..8ed347eebf07 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -213,7 +213,7 @@ static bool support_nvme_encapsulation;
 static bool support_pci_lane_margining;
 
 /* define lock for aen poll */
-static spinlock_t poll_aen_lock;
+static DEFINE_SPINLOCK(poll_aen_lock);
 
 extern struct dentry *megasas_debugfs_root;
 extern int megasas_blk_mq_poll(struct Scsi_Host *shost, unsigned int queue_num);
@@ -8934,8 +8934,6 @@ static int __init megasas_init(void)
 	 */
 	pr_info("megasas: %s\n", MEGASAS_VERSION);
 
-	spin_lock_init(&poll_aen_lock);
-
 	support_poll_for_event = 2;
 	support_device_change = 1;
 	support_nvme_encapsulation = true;
-- 
2.25.1