diff options
| -rw-r--r-- | drivers/ide/pmac.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c index 24ce1f805cd7..052b9bf1f8fb 100644 --- a/drivers/ide/pmac.c +++ b/drivers/ide/pmac.c @@ -919,10 +919,18 @@ static u8 pmac_ide_cable_detect(ide_hwif_t *hwif) (pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent); struct device_node *np = pmif->node; const char *cable = of_get_property(np, "cable-type", NULL); + struct device_node *root = of_find_node_by_path("/"); + const char *model = of_get_property(root, "model", NULL); /* Get cable type from device-tree. */ - if (cable && !strncmp(cable, "80-", 3)) - return ATA_CBL_PATA80; + if (cable && !strncmp(cable, "80-", 3)) { + /* Some drives fail to detect 80c cable in PowerBook */ + /* These machine use proprietary short IDE cable anyway */ + if (!strncmp(model, "PowerBook", 9)) + return ATA_CBL_PATA40_SHORT; + else + return ATA_CBL_PATA80; + } /* * G5's seem to have incorrect cable type in device-tree. |