/* Clean up after the HPT372 and later DMA engine  */
static void hpt37x_bmdma_stop(struct ata_queued_cmd *qc)
/* Clean up after the HPT372 and later DMA engine  */
static void hpt37x_bmdma_stop(struct ata_queued_cmd *qc)
{
	struct ata_port *ap = qc->ap;
	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
	int mscreg = 0x50 + 4 * ap->port_no;
	u8 bwsr_stat, msc_stat;
	pci_read_config_byte(pdev, 0x6A, &bwsr_stat);
	pci_read_config_byte(pdev, mscreg, &msc_stat);
	if (bwsr_stat & (1 << ap->port_no))
		pci_write_config_byte(pdev, mscreg, msc_stat | 0x30);
	ata_bmdma_stop(qc);
}