linux-kernel - [PATCH -next] macintosh/via-pmu: Use DEFINE

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Message-ID: <20210409095145.2294210-1-yebin10@huawei.com>
Date:   Fri, 9 Apr 2021 17:51:45 +0800
From:   Ye Bin <yebin10@...wei.com>
To:     <yebin10@...wei.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mike Rapoport <rppt@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>
CC:     <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>, Hulk Robot <hulkci@...wei.com>
Subject: [PATCH -next] macintosh/via-pmu: 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@...wei.com>
Signed-off-by: Ye Bin <yebin10@...wei.com>
---
 drivers/macintosh/via-pmu.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 73e6ae88fafd..bab913e3541a 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -161,7 +161,7 @@ static unsigned char __iomem *gpio_reg;
 static int gpio_irq = 0;
 static int gpio_irq_enabled = -1;
 static volatile int pmu_suspended;
-static spinlock_t pmu_lock;
+static DEFINE_SPINLOCK(pmu_lock);
 static u8 pmu_intr_mask;
 static int pmu_version;
 static int drop_interrupts;
@@ -306,8 +306,6 @@ int __init find_via_pmu(void)
 		goto fail;
 	}
 
-	spin_lock_init(&pmu_lock);
-
 	pmu_has_adb = 1;
 
 	pmu_intr_mask =	PMU_INT_PCEJECT |
@@ -389,8 +387,6 @@ int __init find_via_pmu(void)
 
 	pmu_kind = PMU_UNKNOWN;
 
-	spin_lock_init(&pmu_lock);
-
 	pmu_has_adb = 1;
 
 	pmu_intr_mask =	PMU_INT_PCEJECT |