X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=drivers%2Fnet%2Fwan%2Fz85230.c;h=8b4540bfc1b0b3b7949b86ae5cd6de58ab043b2f;hb=fe79745507593941adb44a6b2e392645c54ca1c2;hp=59ddd21c3958ae3ab9942b8f9272f13a176467b6;hpb=44aefd2706bb6f5b65ba2c38cd89e7609e2b43d3;p=~andy%2Flinux

diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c
index 59ddd21c395..8b4540bfc1b 100644
--- a/drivers/net/wan/z85230.c
+++ b/drivers/net/wan/z85230.c
@@ -331,8 +331,7 @@ static void z8530_rtsdtr(struct z8530_channel *c, int set)
 static void z8530_rx(struct z8530_channel *c)
 {
 	u8 ch,stat;
-	spin_lock(c->lock);
- 
+
 	while(1)
 	{
 		/* FIFO empty ? */
@@ -390,7 +389,6 @@ static void z8530_rx(struct z8530_channel *c)
 	 */
 	write_zsctrl(c, ERR_RES);
 	write_zsctrl(c, RES_H_IUS);
-	spin_unlock(c->lock);
 }
 
 
@@ -406,11 +404,10 @@ static void z8530_rx(struct z8530_channel *c)
  
 static void z8530_tx(struct z8530_channel *c)
 {
-	spin_lock(c->lock);
 	while(c->txcount) {
 		/* FIFO full ? */
 		if(!(read_zsreg(c, R0)&4))
-			break;
+			return;
 		c->txcount--;
 		/*
 		 *	Shovel out the byte
@@ -434,7 +431,6 @@ static void z8530_tx(struct z8530_channel *c)
 
 	z8530_tx_done(c);	 
 	write_zsctrl(c, RES_H_IUS);
-	spin_unlock(c->lock);
 }
 
 /**
@@ -452,7 +448,6 @@ static void z8530_status(struct z8530_channel *chan)
 {
 	u8 status, altered;
 
-	spin_lock(chan->lock);
 	status=read_zsreg(chan, R0);
 	altered=chan->status^status;
 	
@@ -487,7 +482,6 @@ static void z8530_status(struct z8530_channel *chan)
 	}	
 	write_zsctrl(chan, RES_EXT_INT);
 	write_zsctrl(chan, RES_H_IUS);
-	spin_unlock(chan->lock);
 }
 
 struct z8530_irqhandler z8530_sync=
@@ -511,7 +505,6 @@ EXPORT_SYMBOL(z8530_sync);
  
 static void z8530_dma_rx(struct z8530_channel *chan)
 {
-	spin_lock(chan->lock);
 	if(chan->rxdma_on)
 	{
 		/* Special condition check only */
@@ -534,7 +527,6 @@ static void z8530_dma_rx(struct z8530_channel *chan)
 		/* DMA is off right now, drain the slow way */
 		z8530_rx(chan);
 	}	
-	spin_unlock(chan->lock);
 }
 
 /**
@@ -547,7 +539,6 @@ static void z8530_dma_rx(struct z8530_channel *chan)
  
 static void z8530_dma_tx(struct z8530_channel *chan)
 {
-	spin_lock(chan->lock);
 	if(!chan->dma_tx)
 	{
 		printk(KERN_WARNING "Hey who turned the DMA off?\n");
@@ -557,7 +548,6 @@ static void z8530_dma_tx(struct z8530_channel *chan)
 	/* This shouldnt occur in DMA mode */
 	printk(KERN_ERR "DMA tx - bogus event!\n");
 	z8530_tx(chan);
-	spin_unlock(chan->lock);
 }
 
 /**
@@ -596,7 +586,6 @@ static void z8530_dma_status(struct z8530_channel *chan)
 		}
 	}
 
-	spin_lock(chan->lock);
 	if(altered&chan->dcdcheck)
 	{
 		if(status&chan->dcdcheck)
@@ -618,7 +607,6 @@ static void z8530_dma_status(struct z8530_channel *chan)
 
 	write_zsctrl(chan, RES_EXT_INT);
 	write_zsctrl(chan, RES_H_IUS);
-	spin_unlock(chan->lock);
 }
 
 struct z8530_irqhandler z8530_dma_sync=