diff options
| -rw-r--r-- | drivers/ata/libata-core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index f60988f5e01b..2556ea29defb 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c | |||
| @@ -4033,6 +4033,10 @@ static int cable_is_40wire(struct ata_port *ap) | |||
| 4033 | /* If the controller thinks we are 80 wire, we are */ | 4033 | /* If the controller thinks we are 80 wire, we are */ |
| 4034 | if (ap->cbl == ATA_CBL_PATA80 || ap->cbl == ATA_CBL_SATA) | 4034 | if (ap->cbl == ATA_CBL_PATA80 || ap->cbl == ATA_CBL_SATA) |
| 4035 | return 0; | 4035 | return 0; |
| 4036 | /* If the system is known to be 40 wire short cable (eg laptop), | ||
| 4037 | then we allow 80 wire modes even if the drive isn't sure */ | ||
| 4038 | if (ap->cbl == ATA_CBL_PATA40_SHORT) | ||
| 4039 | return 0; | ||
| 4036 | /* If the controller doesn't know we scan | 4040 | /* If the controller doesn't know we scan |
| 4037 | 4041 | ||
| 4038 | - Note: We look for all 40 wire detects at this point. | 4042 | - Note: We look for all 40 wire detects at this point. |