3 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp.c
index 737433209c2b..23f936258660 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp.c
@@ -638,6 +638,7 @@ int vfe_hw_probe(struct platform_device *pdev)
 	spin_lock_init(&vfe_dev->shared_data_lock);
 	spin_lock_init(&vfe_dev->reg_update_lock);
 	spin_lock_init(&req_history_lock);
+	spin_lock_init(&vfe_dev->completion_lock);
 	media_entity_init(&vfe_dev->subdev.sd.entity, 0, NULL, 0);
 	vfe_dev->subdev.sd.entity.type = MEDIA_ENT_T_V4L2_SUBDEV;
 	vfe_dev->subdev.sd.entity.group_id = MSM_CAMERA_SUBDEV_VFE;
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp.h b/drivers/media/platform/msm/camera_v2/isp/msm_isp.h
index f37e183e35de..d64cee834bea 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp.h
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp.h
@@ -795,6 +795,7 @@ struct vfe_device {
 	struct mutex core_mutex;
 	spinlock_t shared_data_lock;
 	spinlock_t reg_update_lock;
+	spinlock_t completion_lock;
 
 	/* Tasklet info */
 	atomic_t irq_cnt;
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp47.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp47.c
index b80ef1dc900b..03d1b3c22d61 100644
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp47.c
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp47.c
@@ -437,9 +437,13 @@ void msm_vfe47_clear_status_reg(struct vfe_device *vfe_dev)
 void msm_vfe47_process_reset_irq(struct vfe_device *vfe_dev,
 	uint32_t irq_status0, uint32_t irq_status1)
 {
+	unsigned long flags;
+
 	if (irq_status0 & (1 << 31)) {
+		spin_lock_irqsave(&vfe_dev->completion_lock, flags);
 		complete(&vfe_dev->reset_complete);
 		vfe_dev->reset_pending = 0;
+		spin_unlock_irqrestore(&vfe_dev->completion_lock, flags);
 	}
 }
 
@@ -750,8 +754,11 @@ long msm_vfe47_reset_hardware(struct vfe_device *vfe_dev,
 {
 	long rc = 0;
 	uint32_t reset;
+	unsigned long flags;
 
+	spin_lock_irqsave(&vfe_dev->completion_lock, flags);
 	init_completion(&vfe_dev->reset_complete);
+	spin_unlock_irqrestore(&vfe_dev->completion_lock, flags);
 
 	if (blocking_call)
 		vfe_dev->reset_pending = 1;