From: 邱建斌 <qjb@rock-chips.com>
Date: Tue, 17 Sep 2013 02:06:51 +0000 (+0800)
Subject: i2s: early initialization spin_lock for regiter read/write
X-Git-Tag: firefly_0821_release~6626
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e774f49a4e01e95a2e1aba8c888ed0bef0d404f8;p=firefly-linux-kernel-4.4.55.git

i2s: early initialization spin_lock for regiter read/write
---

diff --git a/sound/soc/rk29/rk30_i2s.c b/sound/soc/rk29/rk30_i2s.c
index 801464e94b76..b38de18b7695 100755
--- a/sound/soc/rk29/rk30_i2s.c
+++ b/sound/soc/rk29/rk30_i2s.c
@@ -636,6 +636,7 @@ static int __devinit rockchip_i2s_probe(struct platform_device *pdev)
 	struct snd_soc_dai_driver *dai;
 	int    ret;
 
+	spin_lock_init(&i2s->spinlock_wr);
 #if defined(CONFIG_SND_I2S_USE_18V)	
 	writel_relaxed(0x2000200,RK30_GRF_BASE + GRF_IO_CON4);//bit9: 1,1.8v;0,3.3v
 #elif defined(CONFIG_SND_I2S_USE_33V)
@@ -764,7 +765,6 @@ static int __devinit rockchip_i2s_probe(struct platform_device *pdev)
 	if (ret != 0)
 		goto err_i2sv2;
 
-	spin_lock_init(&i2s->spinlock_wr);
 	return 0;
 
 err_i2sv2: