wpt 145 drivers/dma/mediatek/mtk-uart-apdma.c unsigned int wpt, vff_sz; wpt 168 drivers/dma/mediatek/mtk-uart-apdma.c wpt = mtk_uart_apdma_read(c, VFF_WPT); wpt 170 drivers/dma/mediatek/mtk-uart-apdma.c wpt += c->desc->avail_len; wpt 171 drivers/dma/mediatek/mtk-uart-apdma.c if ((wpt & VFF_RING_SIZE) == vff_sz) wpt 172 drivers/dma/mediatek/mtk-uart-apdma.c wpt = (wpt & VFF_RING_WRAP) ^ VFF_RING_WRAP; wpt 175 drivers/dma/mediatek/mtk-uart-apdma.c mtk_uart_apdma_write(c, VFF_WPT, wpt);