msm: camera: common: memset usage optimization

Remove unnecessary memsets of the structure variables
whose fields are assigned prior to their usage or they
are dynamically allocated with calls that set the memory
to 0. This memset usage optimization is to improve
performance.

CRs-Fixed: 3228092
Change-Id: Iec68c6d072863627959ce603cff28afd26a1c408
Signed-off-by: Sokchetra Eung <quic_eung@quicinc.com>

drivers/cam_sync/cam_sync.c

@@ -1946,8 +1946,6 @@ static int cam_sync_component_bind(struct device *dev,
 
 	cam_sync_init_entity(sync_dev);
 	video_set_drvdata(sync_dev->vdev, sync_dev);
-	memset(&sync_dev->sync_table, 0, sizeof(sync_dev->sync_table));
-	memset(&sync_dev->bitmap, 0, sizeof(sync_dev->bitmap));
 	bitmap_zero(sync_dev->bitmap, CAM_SYNC_MAX_OBJS);
 
 	/*

drivers/cam_sync/cam_sync_dma_fence.c

@@ -651,8 +651,6 @@ int cam_dma_fence_driver_init(void)
 	for (i = 0; i < CAM_DMA_FENCE_MAX_FENCES; i++)
 		spin_lock_init(&g_cam_dma_fence_dev->row_spinlocks[i]);
 
-	memset(&g_cam_dma_fence_dev->rows, 0, sizeof(g_cam_dma_fence_dev->rows));
-	memset(&g_cam_dma_fence_dev->bitmap, 0, sizeof(g_cam_dma_fence_dev->bitmap));
 	bitmap_zero(g_cam_dma_fence_dev->bitmap, CAM_DMA_FENCE_MAX_FENCES);
 	g_cam_dma_fence_dev->dma_fence_context = dma_fence_context_alloc(1);