static void bf537_demux_mac_rx_irq(unsigned int int_irq,
struct irq_desc *desc)
{
if (bfin_read_DMA1_IRQ_STATUS() & (DMA_DONE | DMA_ERR))
bfin_handle_irq(IRQ_MAC_RX);
else
bfin_demux_gpio_irq(int_irq, desc);
}
/* interrupt routine to handle rx and error signal */
static irqreturn_t bfin_mac_interrupt(int irq, void *dev_id)
{
struct net_device *dev = dev_id;
int number = 0;
get_one_packet:
if (current_rx_ptr->status.status_word == 0) {
/* no more new packet received */
if (number == 0) {
if (current_rx_ptr->next->status.status_word != 0) {
current_rx_ptr = current_rx_ptr->next;
goto real_rx;
}
}
bfin_write_DMA1_IRQ_STATUS(bfin_read_DMA1_IRQ_STATUS() |
DMA_DONE | DMA_ERR);
return IRQ_HANDLED;
}
real_rx:
bfin_mac_rx(dev);
number++;
goto get_one_packet;
}
