summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/ide/pmac.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index 24ce1f805cd..052b9bf1f8f 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.