diff options
Diffstat (limited to 'drivers/macintosh/windfarm_pm121.c')
| -rw-r--r-- | drivers/macintosh/windfarm_pm121.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/macintosh/windfarm_pm121.c b/drivers/macintosh/windfarm_pm121.c index 04067e073aa..b350fb86ff0 100644 --- a/drivers/macintosh/windfarm_pm121.c +++ b/drivers/macintosh/windfarm_pm121.c @@ -276,6 +276,7 @@ static const char *loop_names[N_LOOPS] = { static unsigned int pm121_failure_state; static int pm121_readjust, pm121_skipping; +static bool pm121_overtemp; static s32 average_power; struct pm121_correction { @@ -554,8 +555,18 @@ static void pm121_create_sys_fans(int loop_id) pid_param.interval = PM121_SYS_INTERVAL; pid_param.history_len = PM121_SYS_HISTORY_SIZE; pid_param.itarget = param->itarget; - pid_param.min = control->ops->get_min(control); - pid_param.max = control->ops->get_max(control); + if(control) + { + pid_param.min = control->ops->get_min(control); + pid_param.max = control->ops->get_max(control); + } else { + /* + * This is probably not the right!? + * Perhaps goto fail if control == NULL above? + */ + pid_param.min = 0; + pid_param.max = 0; + } wf_pid_init(&pm121_sys_state[loop_id]->pid, &pid_param); @@ -570,7 +581,7 @@ static void pm121_create_sys_fans(int loop_id) control the same control */ printk(KERN_WARNING "pm121: failed to set up %s loop " "setting \"%s\" to max speed.\n", - loop_names[loop_id], control->name); + loop_names[loop_id], control ? control->name : "uninitialized value"); if (control) wf_control_set_max(control); @@ -847,6 +858,7 @@ static void pm121_tick(void) if (new_failure & FAILURE_OVERTEMP) { wf_set_overtemp(); pm121_skipping = 2; + pm121_overtemp = true; } /* We only clear the overtemp condition if overtemp is cleared @@ -855,8 +867,10 @@ static void pm121_tick(void) * the control loop levels, but we don't want to keep it clear * here in this case */ - if (new_failure == 0 && last_failure & FAILURE_OVERTEMP) + if (!pm121_failure_state && pm121_overtemp) { wf_clear_overtemp(); + pm121_overtemp = false; + } } @@ -987,7 +1001,7 @@ static int pm121_probe(struct platform_device *ddev) return 0; } -static int __devexit pm121_remove(struct platform_device *ddev) +static int pm121_remove(struct platform_device *ddev) { wf_unregister_client(&pm121_events); return 0; @@ -995,7 +1009,7 @@ static int __devexit pm121_remove(struct platform_device *ddev) static struct platform_driver pm121_driver = { .probe = pm121_probe, - .remove = __devexit_p(pm121_remove), + .remove = pm121_remove, .driver = { .name = "windfarm", .bus = &platform_bus_type, |