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 pacpi_port_start(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); struct pata_acpi *acpi; int ret; if (ap->acpi_handle == 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]); ret = ata_sff_port_start(ap); if (ret < 0) return ret; return ret; }