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lantiq: Reduce ugliness of ugly hack

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Signed-off-by: Daniel Gimpelevich <daniel@gimpelevich.san-francisco.ca.us>
This commit is contained in:
Daniel Gimpelevich 2016-05-27 15:26:09 -07:00 committed by John Crispin
parent e8780b643b
commit 8333a6d0ba
1 changed files with 4 additions and 14 deletions
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18
package/kernel/lantiq/ltq-adsl/patches/140-linux_3.18.patch
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@ -1,6 +1,6 @@
--- a/src/include/drv_dsl_cpe_os_linux.h
+++ b/src/include/drv_dsl_cpe_os_linux.h
@@ -214,12 +214,35 @@ static inline int dsl_mutex_lock(struct
@@ -214,12 +214,25 @@ static inline int dsl_mutex_lock(struct
#define DSL_DRV_MUTEX_LOCK(id) down_interruptible(&(id))
#define DSL_DRV_MUTEX_UNLOCK(id) up(&(id))
#endif
@ -8,21 +8,11 @@
+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);
+ DEFINE_WAIT(wait);
+
+ prepare_to_wait(q, &wait, TASK_INTERRUPTIBLE);
+ timeout = schedule_timeout(timeout);
+
+ spin_lock_irq(&q->lock);
+ __remove_wait_queue(q, &wait);
+ spin_unlock_irqrestore(&q->lock, flags);
+ finish_wait(q, &wait);
+
+ return timeout;
+}