diff options
Diffstat (limited to 'drivers/ata/pata_hpt366.c')
| -rw-r--r-- | drivers/ata/pata_hpt366.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index f2b83eabc7c..e0c4f05d7d5 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -183,7 +183,9 @@ static unsigned long hpt366_filter(struct ata_device *adev, unsigned long mask) mask &= ~(0xF8 << ATA_SHIFT_UDMA); if (hpt_dma_blacklisted(adev, "UDMA4", bad_ata66_4)) mask &= ~(0xF0 << ATA_SHIFT_UDMA); - } + } else if (adev->class == ATA_DEV_ATAPI) + mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA); + return ata_bmdma_mode_filter(adev, mask); } @@ -211,11 +213,15 @@ static u32 hpt36x_find_mode(struct ata_port *ap, int speed) static int hpt36x_cable_detect(struct ata_port *ap) { - u8 ata66; struct pci_dev *pdev = to_pci_dev(ap->host->dev); + u8 ata66; + /* + * Each channel of pata_hpt366 occupies separate PCI function + * as the primary channel and bit1 indicates the cable type. + */ pci_read_config_byte(pdev, 0x5A, &ata66); - if (ata66 & (1 << ap->port_no)) + if (ata66 & 2) return ATA_CBL_PATA40; return ATA_CBL_PATA80; } @@ -382,10 +388,10 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id) /* PCI clocking determines the ATA timing values to use */ /* info_hpt366 is safe against re-entry so we can scribble on it */ switch((reg1 & 0x700) >> 8) { - case 5: + case 9: hpriv = &hpt366_40; break; - case 9: + case 5: hpriv = &hpt366_25; break; default: |