diff options
| -rw-r--r-- | sys/x86/cpufreq/p4tcc.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sys/x86/cpufreq/p4tcc.c b/sys/x86/cpufreq/p4tcc.c index e11b4a8..d438f69 100644 --- a/sys/x86/cpufreq/p4tcc.c +++ b/sys/x86/cpufreq/p4tcc.c @@ -73,6 +73,7 @@ static int p4tcc_features(driver_t *driver, u_int *features); static void p4tcc_identify(driver_t *driver, device_t parent); static int p4tcc_probe(device_t dev); static int p4tcc_attach(device_t dev); +static int p4tcc_detach(device_t dev); static int p4tcc_settings(device_t dev, struct cf_setting *sets, int *count); static int p4tcc_set(device_t dev, const struct cf_setting *set); @@ -84,6 +85,7 @@ static device_method_t p4tcc_methods[] = { DEVMETHOD(device_identify, p4tcc_identify), DEVMETHOD(device_probe, p4tcc_probe), DEVMETHOD(device_attach, p4tcc_attach), + DEVMETHOD(device_detach, p4tcc_detach), /* cpufreq interface */ DEVMETHOD(cpufreq_drv_set, p4tcc_set), @@ -213,6 +215,24 @@ p4tcc_attach(device_t dev) } static int +p4tcc_detach(device_t dev) +{ + struct cf_setting set; + int error; + + error = cpufreq_unregister(dev); + if (error) + return (error); + + /* + * Before we finish detach, switch to Automatic mode. + */ + set.freq = 10000; + p4tcc_set(dev, &set); + return(0); +} + +static int p4tcc_settings(device_t dev, struct cf_setting *sets, int *count) { struct p4tcc_softc *sc; |
