dma_tx_desc 257 drivers/tty/serial/fsl_lpuart.c struct dma_async_tx_descriptor *dma_tx_desc; dma_tx_desc 440 drivers/tty/serial/fsl_lpuart.c sport->dma_tx_desc = dmaengine_prep_slave_sg(sport->dma_tx_chan, sgl, dma_tx_desc 443 drivers/tty/serial/fsl_lpuart.c if (!sport->dma_tx_desc) { dma_tx_desc 449 drivers/tty/serial/fsl_lpuart.c sport->dma_tx_desc->callback = lpuart_dma_tx_complete; dma_tx_desc 450 drivers/tty/serial/fsl_lpuart.c sport->dma_tx_desc->callback_param = sport; dma_tx_desc 452 drivers/tty/serial/fsl_lpuart.c sport->dma_tx_cookie = dmaengine_submit(sport->dma_tx_desc);