pata_hpt366 is strange in that its two channels occupy two PCI functions and both are primary channels and bit1 of PCI configuration register 0x5A indicates cable for both channels. Signed-off-by: Tejun Heo <tj@xxxxxxxxxx> Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> Cc: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx> --- drivers/ata/pata_hpt366.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) Index: work/drivers/ata/pata_hpt366.c =================================================================== --- work.orig/drivers/ata/pata_hpt366.c +++ work/drivers/ata/pata_hpt366.c @@ -211,11 +211,15 @@ static u32 hpt36x_find_mode(struct ata_p 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; } -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html