diff options
Diffstat (limited to 'arch/sparc64/kernel/vio.c')
| -rw-r--r-- | arch/sparc64/kernel/vio.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/arch/sparc64/kernel/vio.c b/arch/sparc64/kernel/vio.c index 7e65b5a28bf..9ae1f61d4db 100644 --- a/arch/sparc64/kernel/vio.c +++ b/arch/sparc64/kernel/vio.c @@ -221,6 +221,27 @@ static struct vio_dev *vio_create_one(struct mdesc_handle *hp, u64 mp, return NULL; } + if (!strcmp(type, "vdc-port")) { + u64 a; + + id = NULL; + mdesc_for_each_arc(a, hp, mp, MDESC_ARC_TYPE_BACK) { + u64 target; + + target = mdesc_arc_target(hp, a); + id = mdesc_get_property(hp, target, + "cfg-handle", NULL); + if (id) + break; + } + if (!id) { + printk(KERN_ERR "VIO: vdc-prot lacks parent " + "cfg-handle.\n"); + return NULL; + } + } else + id = mdesc_get_property(hp, mp, "id", NULL); + bus_id_name = type; if (!strcmp(type, "domain-services-port")) bus_id_name = "ds"; @@ -260,13 +281,15 @@ static struct vio_dev *vio_create_one(struct mdesc_handle *hp, u64 mp, vio_fill_channel_info(hp, mp, vdev); - id = mdesc_get_property(hp, mp, "id", NULL); - if (!id) + if (!id) { snprintf(vdev->dev.bus_id, BUS_ID_SIZE, "%s", bus_id_name); - else + vdev->dev_no = ~(u64)0; + } else { snprintf(vdev->dev.bus_id, BUS_ID_SIZE, "%s-%lu", bus_id_name, *id); + vdev->dev_no = *id; + } vdev->dev.parent = parent; vdev->dev.bus = &vio_bus_type; |