[PATCH 03/11] sched/wait,media: Replace wait_on_atomic_t usage

[Peter Zijlstra]

Convert the wait_on_atomic_t() usage to the new wait_var_event() API.

Unlike the wake_up_atomic_t(), wake_up_var() will issue the wakeup
even if the variable is not 0.

Cc: Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
 drivers/media/platform/qcom/venus/hfi.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/drivers/media/platform/qcom/venus/hfi.c
+++ b/drivers/media/platform/qcom/venus/hfi.c
@@ -106,8 +106,8 @@ int hfi_core_deinit(struct venus_core *c
 
 	if (!empty) {
 		mutex_unlock(&core->lock);
-		wait_on_atomic_t(&core->insts_count, atomic_t_wait,
-				 TASK_UNINTERRUPTIBLE);
+		wait_var_event(&core->insts_count,
+			       !atomic_read(&core->insts_count));
 		mutex_lock(&core->lock);
 	}
 
@@ -229,8 +229,8 @@ void hfi_session_destroy(struct venus_in
 
 	mutex_lock(&core->lock);
 	list_del_init(&inst->list);
-	atomic_dec(&core->insts_count);
-	wake_up_atomic_t(&core->insts_count);
+	if (atomic_dec_and_test(&core->insts_count))
+		wake_up_var(&core->insts_count);
 	mutex_unlock(&core->lock);
 }
 EXPORT_SYMBOL_GPL(hfi_session_destroy);