/* PIO to indicate that memory mapped Q contains valid descriptor(s).  */
static void doorbell_pio(struct adapter *adapter, u32 val)
/* PIO to indicate that memory mapped Q contains valid descriptor(s).  */
static void doorbell_pio(struct adapter *adapter, u32 val)
{
	wmb();
	writel(val, adapter->regs + A_SG_DOORBELL);
}