diff options
Diffstat (limited to 'drivers/ata/pata_hpt366.c')
| -rw-r--r-- | drivers/ata/pata_hpt366.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index a098ba8eaab..4824821745a 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -211,11 +211,15 @@ 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; } |