VFF_LEN           148 drivers/dma/mediatek/mtk-uart-apdma.c 	if (!mtk_uart_apdma_read(c, VFF_LEN)) {
VFF_LEN           150 drivers/dma/mediatek/mtk-uart-apdma.c 		mtk_uart_apdma_write(c, VFF_LEN, vff_sz);
VFF_LEN           191 drivers/dma/mediatek/mtk-uart-apdma.c 	if (!mtk_uart_apdma_read(c, VFF_LEN)) {
VFF_LEN           193 drivers/dma/mediatek/mtk-uart-apdma.c 		mtk_uart_apdma_write(c, VFF_LEN, vff_sz);
VFF_LEN           284 drivers/dma/mediatek/mtk-uart-apdma.c 	mtk_uart_apdma_write(c, VFF_LEN, 0);