memory: emif: Use DEFINE_SPINLOCK() for spinlock

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

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201228135056.28511-1-zhengyongjun3@huawei.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c
index ddb1879..f7825ee 100644 (file)
--- a/drivers/memory/emif.c
+++ b/drivers/memory/emif.c
@@ -70,7 +70,7 @@ struct emif_data {
 };
 
 static struct emif_data *emif1;
-static spinlock_t      emif_lock;
+static DEFINE_SPINLOCK(emif_lock);
 static unsigned long   irq_state;
 static u32             t_ck; /* DDR clock period in ps */
 static LIST_HEAD(device_list);
@@ -1531,7 +1531,6 @@ static int __init_or_module emif_probe(struct platform_device *pdev)
        /* One-time actions taken on probing the first device */
        if (!emif1) {
                emif1 = emif;
-               spin_lock_init(&emif_lock);
 
                /*
                 * TODO: register notifiers for frequency and voltage