525 	struct mtk_wed_amsdu *wed_amsdu;  in mtk_wed_amsdu_buffer_alloc()  local
531 	wed_amsdu = devm_kcalloc(hw->dev, MTK_WED_AMSDU_NPAGES,  in mtk_wed_amsdu_buffer_alloc()
532 				 sizeof(*wed_amsdu), GFP_KERNEL);  in mtk_wed_amsdu_buffer_alloc()
533 	if (!wed_amsdu)  in mtk_wed_amsdu_buffer_alloc()
547 		wed_amsdu[i].txd = ptr;  in mtk_wed_amsdu_buffer_alloc()
548 		wed_amsdu[i].txd_phy = dma_map_single(hw->dev, ptr,  in mtk_wed_amsdu_buffer_alloc()
551 		if (dma_mapping_error(hw->dev, wed_amsdu[i].txd_phy))  in mtk_wed_amsdu_buffer_alloc()
554 	dev->hw->wed_amsdu = wed_amsdu;  in mtk_wed_amsdu_buffer_alloc()
560 		dma_unmap_single(hw->dev, wed_amsdu[i].txd_phy,  in mtk_wed_amsdu_buffer_alloc()
568 	struct mtk_wed_amsdu *wed_amsdu = dev->hw->wed_amsdu;  in mtk_wed_amsdu_free_buffer()  local
571 	if (!wed_amsdu)  in mtk_wed_amsdu_free_buffer()
575 		dma_unmap_single(dev->hw->dev, wed_amsdu[i].txd_phy,  in mtk_wed_amsdu_free_buffer()
577 		free_pages((unsigned long)wed_amsdu[i].txd,  in mtk_wed_amsdu_free_buffer()
585 	struct mtk_wed_amsdu *wed_amsdu = dev->hw->wed_amsdu;  in mtk_wed_amsdu_init()  local
588 	if (!wed_amsdu)  in mtk_wed_amsdu_init()
593 			wed_amsdu[i].txd_phy);  in mtk_wed_amsdu_init()