r40               790 drivers/ata/pata_it821x.c 	u16 r40;
r40               793 drivers/ata/pata_it821x.c 	pci_read_config_word(pdev, 0x40, &r40);
r40               794 drivers/ata/pata_it821x.c 	if (r40 & (1 << (2 + ap->port_no)))