static int pacpi_port_start(struct ata_port *ap)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
struct pata_acpi *acpi;
if (ACPI_HANDLE(&ap->tdev) == NULL)
return -ENODEV;
acpi = ap->private_data = devm_kzalloc(&pdev->dev, sizeof(struct pata_acpi), GFP_KERNEL);
if (ap->private_data == NULL)
return -ENOMEM;
acpi->mask[0] = pacpi_discover_modes(ap, &ap->link.device[0]);
acpi->mask[1] = pacpi_discover_modes(ap, &ap->link.device[1]);
return ata_bmdma_port_start(ap);
}
static int pata_ftide010_gemini_port_start(struct ata_port *ap)
{
struct ftide010 *ftide = ap->host->private_data;
struct device *dev = ftide->dev;
struct sata_gemini *sg = ftide->sg;
int bridges = 0;
int ret;
ret = ata_bmdma_port_start(ap);
if (ret)
return ret;
if (ftide->master_to_sata0) {
dev_info(dev, "SATA0 (master) start\n");
ret = gemini_sata_start_bridge(sg, 0);
if (!ret)
bridges++;
}
if (ftide->master_to_sata1) {
dev_info(dev, "SATA1 (master) start\n");
ret = gemini_sata_start_bridge(sg, 1);
if (!ret)
bridges++;
}
/* Avoid double-starting */
if (ftide->slave_to_sata0 && !ftide->master_to_sata0) {
dev_info(dev, "SATA0 (slave) start\n");
ret = gemini_sata_start_bridge(sg, 0);
if (!ret)
bridges++;
}
/* Avoid double-starting */
if (ftide->slave_to_sata1 && !ftide->master_to_sata1) {
dev_info(dev, "SATA1 (slave) start\n");
ret = gemini_sata_start_bridge(sg, 1);
if (!ret)
bridges++;
}
dev_info(dev, "brought %d bridges online\n", bridges);
return (bridges > 0) ? 0 : -EINVAL; // -ENODEV;
}
