diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/ata_generic.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c index d4ccf74c4c94..7107a6929deb 100644 --- a/drivers/ata/ata_generic.c +++ b/drivers/ata/ata_generic.c @@ -32,6 +32,11 @@ * A generic parallel ATA driver using libata */ +enum { + ATA_GEN_CLASS_MATCH = (1 << 0), + ATA_GEN_FORCE_DMA = (1 << 1), +}; + /** * generic_set_mode - mode setting * @link: link to set up @@ -46,13 +51,17 @@ static int generic_set_mode(struct ata_link *link, struct ata_device **unused) { struct ata_port *ap = link->ap; + const struct pci_device_id *id = ap->host->private_data; int dma_enabled = 0; struct ata_device *dev; struct pci_dev *pdev = to_pci_dev(ap->host->dev); - /* Bits 5 and 6 indicate if DMA is active on master/slave */ - if (ap->ioaddr.bmdma_addr) + if (id->driver_data & ATA_GEN_FORCE_DMA) { + dma_enabled = 0xff; + } else if (ap->ioaddr.bmdma_addr) { + /* Bits 5 and 6 indicate if DMA is active on master/slave */ dma_enabled = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_STATUS); + } if (pdev->vendor == PCI_VENDOR_ID_CENATEK) dma_enabled = 0xFF; @@ -126,7 +135,7 @@ static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id const struct ata_port_info *ppi[] = { &info, NULL }; /* Don't use the generic entry unless instructed to do so */ - if (id->driver_data == 1 && all_generic_ide == 0) + if ((id->driver_data & ATA_GEN_CLASS_MATCH) && all_generic_ide == 0) return -ENODEV; /* Devices that need care */ @@ -155,7 +164,7 @@ static int ata_generic_init_one(struct pci_dev *dev, const struct pci_device_id return rc; pcim_pin_device(dev); } - return ata_pci_bmdma_init_one(dev, ppi, &generic_sht, NULL, 0); + return ata_pci_bmdma_init_one(dev, ppi, &generic_sht, (void *)id, 0); } static struct pci_device_id ata_generic[] = { @@ -167,13 +176,15 @@ static struct pci_device_id ata_generic[] = { { PCI_DEVICE(PCI_VENDOR_ID_HINT, PCI_DEVICE_ID_HINT_VXPROII_IDE), }, { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C561), }, { PCI_DEVICE(PCI_VENDOR_ID_OPTI, PCI_DEVICE_ID_OPTI_82C558), }, - { PCI_DEVICE(PCI_VENDOR_ID_CENATEK,PCI_DEVICE_ID_CENATEK_IDE), }, + { PCI_DEVICE(PCI_VENDOR_ID_CENATEK,PCI_DEVICE_ID_CENATEK_IDE), + .driver_data = ATA_GEN_FORCE_DMA }, /* * For some reason, MCP89 on MacBook 7,1 doesn't work with * ahci, use ata_generic instead. */ { PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA, - PCI_VENDOR_ID_APPLE, 0xcb89, }, + PCI_VENDOR_ID_APPLE, 0xcb89, + .driver_data = ATA_GEN_FORCE_DMA }, #if !defined(CONFIG_PATA_TOSHIBA) && !defined(CONFIG_PATA_TOSHIBA_MODULE) { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_1), }, { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_2), }, @@ -181,7 +192,8 @@ static struct pci_device_id ata_generic[] = { { PCI_DEVICE(PCI_VENDOR_ID_TOSHIBA,PCI_DEVICE_ID_TOSHIBA_PICCOLO_5), }, #endif /* Must come last. If you add entries adjust this table appropriately */ - { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 1}, + { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL), + .driver_data = ATA_GEN_CLASS_MATCH }, { 0, }, }; |