Searched refs:rx_sgl (Results 1 – 5 of 5) sorted by relevance
| /Linux-v4.19/drivers/spi/ |
| D | spi-mt65xx.c | 101 struct scatterlist *tx_sgl, *rx_sgl; member
374 if (mdata->rx_sgl) in mtk_spi_setup_dma_addr()
414 mdata->rx_sgl = NULL; in mtk_spi_dma_transfer()
431 mdata->rx_sgl = xfer->rx_sg.sgl; in mtk_spi_dma_transfer()
437 if (mdata->rx_sgl) { in mtk_spi_dma_transfer()
438 xfer->rx_dma = sg_dma_address(mdata->rx_sgl); in mtk_spi_dma_transfer()
439 mdata->rx_sgl_len = sg_dma_len(mdata->rx_sgl); in mtk_spi_dma_transfer()
540 if (mdata->rx_sgl) in mtk_spi_interrupt()
550 if (mdata->rx_sgl && (mdata->rx_sgl_len == 0)) { in mtk_spi_interrupt()
551 mdata->rx_sgl = sg_next(mdata->rx_sgl); in mtk_spi_interrupt()
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| D | spi-qup.c | 450 struct scatterlist *tx_sgl, *rx_sgl; in spi_qup_do_dma() local
458 rx_sgl = xfer->rx_sg.sgl; in spi_qup_do_dma()
464 if (rx_sgl) in spi_qup_do_dma()
465 qup->n_words = spi_qup_sgl_get_nents_len(rx_sgl, in spi_qup_do_dma()
483 if (rx_sgl) { in spi_qup_do_dma()
484 ret = spi_qup_prep_sg(master, rx_sgl, rx_nents, in spi_qup_do_dma()
503 for (; rx_sgl && rx_nents--; rx_sgl = sg_next(rx_sgl)) in spi_qup_do_dma()
508 } while (rx_sgl || tx_sgl); in spi_qup_do_dma()
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| /Linux-v4.19/drivers/tty/serial/ |
| D | fsl_lpuart.c | 254 struct scatterlist rx_sgl, tx_sgl[2]; member
911 dma_sync_sg_for_cpu(sport->port.dev, &sport->rx_sgl, 1, DMA_FROM_DEVICE); in lpuart_copy_rx_to_tty()
920 ring->head = sport->rx_sgl.length - state.residue; in lpuart_copy_rx_to_tty()
921 BUG_ON(ring->head > sport->rx_sgl.length); in lpuart_copy_rx_to_tty()
935 count = sport->rx_sgl.length - ring->tail; in lpuart_copy_rx_to_tty()
947 if (ring->head >= sport->rx_sgl.length) in lpuart_copy_rx_to_tty()
953 dma_sync_sg_for_device(sport->port.dev, &sport->rx_sgl, 1, in lpuart_copy_rx_to_tty()
1007 sg_init_one(&sport->rx_sgl, ring->buf, sport->rx_dma_rng_buf_len); in lpuart_start_rx_dma()
1008 sg_set_buf(&sport->rx_sgl, ring->buf, sport->rx_dma_rng_buf_len); in lpuart_start_rx_dma()
1009 nent = dma_map_sg(sport->port.dev, &sport->rx_sgl, 1, DMA_FROM_DEVICE); in lpuart_start_rx_dma()
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| D | mxs-auart.c | 441 struct scatterlist rx_sgl; member
855 dma_unmap_sg(s->dev, &s->rx_sgl, 1, DMA_FROM_DEVICE); in dma_rx_callback()
874 struct scatterlist *sgl = &s->rx_sgl; in mxs_auart_dma_prep_rx()
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| D | imx.c | 219 struct scatterlist rx_sgl, tx_sgl[2]; member
1046 struct scatterlist *sgl = &sport->rx_sgl; in imx_uart_dma_rx_callback()
1120 struct scatterlist *sgl = &sport->rx_sgl; in imx_uart_start_rx_dma()
1437 dma_unmap_sg(sport->port.dev, &sport->rx_sgl, in imx_uart_shutdown()
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