diff options
Diffstat (limited to 'sys/arm/allwinner/a20/a20_cpu_cfg.c')
| -rw-r--r-- | sys/arm/allwinner/a20/a20_cpu_cfg.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/arm/allwinner/a20/a20_cpu_cfg.c b/sys/arm/allwinner/a20/a20_cpu_cfg.c index 4e6395b..dd560f8 100644 --- a/sys/arm/allwinner/a20/a20_cpu_cfg.c +++ b/sys/arm/allwinner/a20/a20_cpu_cfg.c @@ -70,6 +70,9 @@ static int a20_cpu_cfg_probe(device_t dev) { + if (!ofw_bus_status_okay(dev)) + return (ENXIO); + if (ofw_bus_is_compatible(dev, "allwinner,sun7i-cpu-cfg")) { device_set_desc(dev, "A20 CPU Configuration Module"); return(BUS_PROBE_DEFAULT); |
