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-rw-r--r--package/kernel/lantiq/ltq-adsl-mei/src/ifxmips_mei_interface.h24
1 files changed, 23 insertions, 1 deletions
diff --git a/package/kernel/lantiq/ltq-adsl-mei/src/ifxmips_mei_interface.h b/package/kernel/lantiq/ltq-adsl-mei/src/ifxmips_mei_interface.h
index c58732498a..1098b2b793 100644
--- a/package/kernel/lantiq/ltq-adsl-mei/src/ifxmips_mei_interface.h
+++ b/package/kernel/lantiq/ltq-adsl-mei/src/ifxmips_mei_interface.h
@@ -107,9 +107,31 @@ typedef enum {
#define MEI_INIT_WAKELIST(name,queue) \
init_waitqueue_head(&queue)
+static inline long
+ugly_hack_sleep_on_timeout(wait_queue_head_t *q, long timeout)
+{
+ unsigned long flags;
+ wait_queue_t wait;
+
+ init_waitqueue_entry(&wait, current);
+
+ __set_current_state(TASK_INTERRUPTIBLE);
+ spin_lock_irqsave(&q->lock, flags);
+ __add_wait_queue(q, &wait);
+ spin_unlock(&q->lock);
+
+ timeout = schedule_timeout(timeout);
+
+ spin_lock_irq(&q->lock);
+ __remove_wait_queue(q, &wait);
+ spin_unlock_irqrestore(&q->lock, flags);
+
+ return timeout;
+}
+
/* wait for an event, timeout is measured in ms */
#define MEI_WAIT_EVENT_TIMEOUT(ev,timeout)\
- wait_event_interruptible_timeout(ev,0 == 1, timeout * HZ / 1000)
+ ugly_hack_sleep_on_timeout(&ev, timeout * HZ / 1000)
#define MEI_WAKEUP_EVENT(ev)\
wake_up_interruptible(&ev)
#endif /* IFX_MEI_BSP */