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Add the sabtty children devices as unordered. Use the unit numbr of

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the sabtty device to create its description so that they will be
unique for machines with multiple sab chips.

This fixes a panic on machines with an rsc card.

Tested by:	obrien (e250)
This commit is contained in:
jake 2003-01-27 18:39:09 +00:00
parent 015f9bcecc
commit 653f23c4bf
1 changed files with 4 additions and 5 deletions
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9
sys/dev/sab/sab.c
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@ -332,7 +332,7 @@ sab_attach(device_t dev)
SAB_WRITE(sc, SAB_IPC, sc->sc_ipc);
for (i = 0; i < SAB_NCHAN; i++)
child[i] = device_add_child(dev, "sabtty", i);
child[i] = device_add_child(dev, "sabtty", -1);
bus_generic_attach(dev);
for (i = 0; i < SAB_NCHAN; i++)
sc->sc_child[i] = device_get_softc(child[i]);
@ -413,11 +413,10 @@ sab_shutdown(void *v)
static int
sabtty_probe(device_t dev)
{
char desc[32];
if ((device_get_unit(dev) & 1) == 0)
device_set_desc(dev, "ttya");
else
device_set_desc(dev, "ttyb");
snprintf(desc, sizeof(desc), "tty%c", device_get_unit(dev) + 'a');
device_set_desc_copy(dev, desc);
return (0);
}