diff options
| -rw-r--r-- | sys/dev/ofw/ofw_cpu.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sys/dev/ofw/ofw_cpu.c b/sys/dev/ofw/ofw_cpu.c index e830e3e..dffe7a6 100644 --- a/sys/dev/ofw/ofw_cpu.c +++ b/sys/dev/ofw/ofw_cpu.c @@ -170,7 +170,7 @@ ofw_cpu_probe(device_t dev) { const char *type = ofw_bus_get_type(dev); - if (strcmp(type, "cpu") != 0) + if (type == NULL || strcmp(type, "cpu") != 0) return (ENXIO); device_set_desc(dev, "Open Firmware CPU"); @@ -181,12 +181,20 @@ static int ofw_cpu_attach(device_t dev) { struct ofw_cpu_softc *sc; + phandle_t node; uint32_t cell; sc = device_get_softc(dev); - OF_getprop(ofw_bus_get_node(dev), "reg", &cell, sizeof(cell)); + node = ofw_bus_get_node(dev); + if (OF_getencprop(node, "reg", &cell, sizeof(cell)) < 0) { + cell = device_get_unit(dev); + device_printf(dev, "missing 'reg' property, using %u\n", cell); + } sc->sc_cpu_pcpu = pcpu_find(cell); - OF_getprop(ofw_bus_get_node(dev), "clock-frequency", &cell, sizeof(cell)); + if (OF_getencprop(node, "clock-frequency", &cell, sizeof(cell)) < 0) { + device_printf(dev, "missing 'clock-frequency' property\n"); + return (ENXIO); + } sc->sc_nominal_mhz = cell / 1000000; /* convert to MHz */ bus_generic_probe(dev); |
