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Searched refs:desc_tx (Results 1 – 6 of 6) sorted by relevance

/linux-4.4.14/drivers/spi/
Dspi-topcliff-pch.c115 struct dma_async_tx_descriptor *desc_tx; member
811 async_tx_ack(dma->desc_tx); in pch_spi_start_transfer()
932 struct dma_async_tx_descriptor *desc_tx; in pch_spi_handle_dma() local
1101 desc_tx = dmaengine_prep_slave_sg(dma->chan_tx, in pch_spi_handle_dma()
1104 if (!desc_tx) { in pch_spi_handle_dma()
1110 desc_tx->callback = NULL; in pch_spi_handle_dma()
1111 desc_tx->callback_param = data; in pch_spi_handle_dma()
1113 dma->desc_tx = desc_tx; in pch_spi_handle_dma()
1120 desc_tx->tx_submit(desc_tx); in pch_spi_handle_dma()
Dspi-sh-msiof.c678 struct dma_async_tx_descriptor *desc_tx = NULL, *desc_rx = NULL; in sh_msiof_dma_once() local
702 desc_tx = dmaengine_prep_slave_single(p->master->dma_tx, in sh_msiof_dma_once()
705 if (!desc_tx) { in sh_msiof_dma_once()
712 desc_tx->callback = NULL; in sh_msiof_dma_once()
714 desc_tx->callback = sh_msiof_dma_complete; in sh_msiof_dma_once()
715 desc_tx->callback_param = p; in sh_msiof_dma_once()
717 cookie = dmaengine_submit(desc_tx); in sh_msiof_dma_once()
Dspi-rspi.c518 struct dma_async_tx_descriptor *desc_tx = NULL, *desc_rx = NULL; in rspi_dma_transfer() local
546 desc_tx = dmaengine_prep_slave_sg(rspi->master->dma_tx, in rspi_dma_transfer()
549 if (!desc_tx) { in rspi_dma_transfer()
556 desc_tx->callback = NULL; in rspi_dma_transfer()
558 desc_tx->callback = rspi_dma_complete; in rspi_dma_transfer()
559 desc_tx->callback_param = rspi; in rspi_dma_transfer()
561 cookie = dmaengine_submit(desc_tx); in rspi_dma_transfer()
Dspi-imx.c904 struct dma_async_tx_descriptor *desc_tx = NULL, *desc_rx = NULL; in spi_imx_dma_transfer() local
913 desc_tx = dmaengine_prep_slave_sg(master->dma_tx, in spi_imx_dma_transfer()
916 if (!desc_tx) in spi_imx_dma_transfer()
919 desc_tx->callback = spi_imx_dma_tx_callback; in spi_imx_dma_transfer()
920 desc_tx->callback_param = (void *)spi_imx; in spi_imx_dma_transfer()
921 dmaengine_submit(desc_tx); in spi_imx_dma_transfer()
/linux-4.4.14/drivers/tty/serial/
Datmel_serial.c143 struct dma_async_tx_descriptor *desc_tx; member
785 async_tx_ack(atmel_port->desc_tx); in atmel_complete_tx_dma()
787 atmel_port->desc_tx = NULL; in atmel_complete_tx_dma()
816 atmel_port->desc_tx = NULL; in atmel_release_tx_dma()
835 if (atmel_port->desc_tx != NULL) in atmel_tx_dma()
898 atmel_port->desc_tx = desc; in atmel_tx_dma()
Dpch_uart.c246 struct dma_async_tx_descriptor *desc_tx; member
806 async_tx_ack(priv->desc_tx); in pch_dma_tx_complete()
1056 priv->desc_tx = desc; in dma_handle_tx()