From: 邱建斌 <qjb@rock-chips.com>
Date: Tue, 17 Sep 2013 04:26:21 +0000 (+0800)
Subject: i2s: early initialization spin_lock for regiter read/write
X-Git-Tag: firefly_0821_release~6623
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a03d9721b85eba1d53a9af681427d110d265a19d;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..410c20a48bc1 100755
--- a/sound/soc/rk29/rk30_i2s.c
+++ b/sound/soc/rk29/rk30_i2s.c
@@ -677,6 +677,7 @@ static int __devinit rockchip_i2s_probe(struct platform_device *pdev)
 		break;
 	}	
 
+	spin_lock_init(&i2s->spinlock_wr);
 	dai->playback.rates = SNDRV_PCM_RATE_8000_192000;
 	dai->playback.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |
 		SNDRV_PCM_FMTBIT_S24_LE| SNDRV_PCM_FMTBIT_S32_LE;
@@ -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: