static void z8530_rx(struct z8530_channel *c)
{
u8 ch,stat;
- spin_lock(c->lock);
-
+
while(1)
{
/* FIFO empty ? */
*/
write_zsctrl(c, ERR_RES);
write_zsctrl(c, RES_H_IUS);
- spin_unlock(c->lock);
}
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
z8530_tx_done(c);
write_zsctrl(c, RES_H_IUS);
- spin_unlock(c->lock);
}
/**
{
u8 status, altered;
- spin_lock(chan->lock);
status=read_zsreg(chan, R0);
altered=chan->status^status;
}
write_zsctrl(chan, RES_EXT_INT);
write_zsctrl(chan, RES_H_IUS);
- spin_unlock(chan->lock);
}
struct z8530_irqhandler z8530_sync=
static void z8530_dma_rx(struct z8530_channel *chan)
{
- spin_lock(chan->lock);
if(chan->rxdma_on)
{
/* Special condition check only */
/* DMA is off right now, drain the slow way */
z8530_rx(chan);
}
- spin_unlock(chan->lock);
}
/**
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");
/* This shouldnt occur in DMA mode */
printk(KERN_ERR "DMA tx - bogus event!\n");
z8530_tx(chan);
- spin_unlock(chan->lock);
}
/**
}
}
- spin_lock(chan->lock);
if(altered&chan->dcdcheck)
{
if(status&chan->dcdcheck)
write_zsctrl(chan, RES_EXT_INT);
write_zsctrl(chan, RES_H_IUS);
- spin_unlock(chan->lock);
}
struct z8530_irqhandler z8530_dma_sync=
else
{
skb_put(skb, ct);
- memcpy(skb->data, rxb, ct);
+ skb_copy_to_linear_data(skb, rxb, ct);
c->stats.rx_packets++;
c->stats.rx_bytes+=ct;
}
*/
c->tx_next_ptr=c->tx_dma_buf[c->tx_dma_used];
c->tx_dma_used^=1; /* Flip temp buffer */
- memcpy(c->tx_next_ptr, skb->data, skb->len);
+ skb_copy_from_linear_data(skb, c->tx_next_ptr, skb->len);
}
else
c->tx_next_ptr=skb->data;