From: lw <lw@rock-chips.com>
Date: Sat, 7 Apr 2012 02:49:53 +0000 (+0800)
Subject: rk30:modify spin_lock_irqsave/restore operation in spi driver
X-Git-Tag: firefly_0821_release~9456
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a886454ce549f04c87c78bb33f4aef43d7375257;p=firefly-linux-kernel-4.4.55.git

rk30:modify spin_lock_irqsave/restore operation in spi driver
---

diff --git a/drivers/spi/rk29_spim.c b/drivers/spi/rk29_spim.c
index aceaa99e13e6..04331a242b1e 100755
--- a/drivers/spi/rk29_spim.c
+++ b/drivers/spi/rk29_spim.c
@@ -427,10 +427,11 @@ static void rk29_spi_dma_rxcb(void *buf_id,
 	//if (!(dws->state & TXBUSY))
 	//	complete(&dws->rx_completion);
 	
+	spin_unlock_irqrestore(&dws->lock, flags);
+	
 	//DMA could not lose intterupt
 	transfer_complete(dws);
 
-	spin_unlock_irqrestore(&dws->lock, flags);
 }
 
 static void rk29_spi_dma_txcb(void *buf_id,
@@ -452,10 +453,11 @@ static void rk29_spi_dma_txcb(void *buf_id,
 	//if (!(dws->state & RXBUSY)) 
 	//	complete(&dws->tx_completion);
 
+	spin_unlock_irqrestore(&dws->lock, flags);
+	
 	//DMA could not lose intterupt
 	transfer_complete(dws);
 
-	spin_unlock_irqrestore(&dws->lock, flags);
 }