NAME
z8530_sync_txdma_close - Close down a TX driven DMA channel
SYNOPSIS
int z8530_sync_txdma_close (struct net_device *dev, struct
z8530_channel *c);
ARGUMENTS
dev Network device to detach
c Z8530 channel to move into discard mode
DESCRIPTION
Shut down a DMA/PIO split mode synchronous interface. Halt the DMA, and
free the buffers.