jiffy_delta = spk_get_var(JIFFY);
        delay_time = spk_get_var(DELAY);
        full_time = spk_get_var(FULL);
-spk_lock(flags);
+spin_lock_irqsave(&speakup_info.spinlock, flags);
        jiffy_delta_val = jiffy_delta->u.n.value;
-       spk_unlock(flags);
+       spin_unlock_irqrestore(&speakup_info.spinlock, flags);
 
        jiff_max = jiffies + jiffy_delta_val;
        while (!kthread_should_stop()) {
-               spk_lock(flags);
+               spin_lock_irqsave(&speakup_info.spinlock, flags);
                if (speakup_info.flushing) {
                        speakup_info.flushing = 0;
-                       spk_unlock(flags);
+                       spin_unlock_irqrestore(&speakup_info.spinlock, flags);
                        synth->flush(synth);
                        continue;
                }
                if (synth_buffer_empty()) {
-                       spk_unlock(flags);
+                       spin_unlock_irqrestore(&speakup_info.spinlock, flags);
                        break;
                }
                set_current_state(TASK_INTERRUPTIBLE);
                full_time_val = full_time->u.n.value;
-               spk_unlock(flags);
+               spin_unlock_irqrestore(&speakup_info.spinlock, flags);
                if (synth_full()) {
                        schedule_timeout(msecs_to_jiffies(full_time_val));
                        continue;
                        oops();
                        break;
                }
-               spk_lock(flags);
+               spin_lock_irqsave(&speakup_info.spinlock, flags);
                ch = synth_buffer_getc();
-               spk_unlock(flags);
+               spin_unlock_irqrestore(&speakup_info.spinlock, flags);
                if (ch == '\n')
                        ch = PROCSPEECH;
                outb_p(ch, synth_port);
                                break;
                        }
                        outb_p(PROCSPEECH, synth_port);
-                       spk_lock(flags);
+                       spin_lock_irqsave(&speakup_info.spinlock, flags);
                        jiffy_delta_val = jiffy_delta->u.n.value;
                        delay_time_val = delay_time->u.n.value;
-                       spk_unlock(flags);
+                       spin_unlock_irqrestore(&speakup_info.spinlock, flags);
                        schedule_timeout(msecs_to_jiffies(delay_time_val));
                        jiff_max = jiffies+jiffy_delta_val;
                }