Searched refs:rx_dma_buf (Results 1 – 11 of 11) sorted by relevance
| /Linux-v5.15/drivers/tty/serial/ |
| D | mxs-auart.c | 437 void *rx_dma_buf; member
848 tty_insert_flip_string(port, s->rx_dma_buf, count); in dma_rx_callback()
876 sg_init_one(sgl, s->rx_dma_buf, UART_XMIT_SIZE); in mxs_auart_dma_prep_rx()
905 kfree(s->rx_dma_buf); in mxs_auart_dma_exit_channel()
907 s->rx_dma_buf = NULL; in mxs_auart_dma_exit_channel()
931 s->rx_dma_buf = kzalloc(UART_XMIT_SIZE, GFP_KERNEL | GFP_DMA); in mxs_auart_dma_init()
932 if (!s->rx_dma_buf) in mxs_auart_dma_init()
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| D | stm32-usart.h | 258 dma_addr_t rx_dma_buf; /* dma rx buffer bus address */ member
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| D | stm32-usart.c | 1159 stm32port->rx_dma_buf); in stm32_usart_of_dma_rx_remove()
1180 &stm32port->rx_dma_buf, in stm32_usart_of_dma_rx_probe()
1199 stm32port->rx_dma_buf, in stm32_usart_of_dma_rx_probe()
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| /Linux-v5.15/drivers/spi/ |
| D | spi-fsl-dspi.c | 202 u32 *rx_dma_buf; member
374 dspi_push_rx(dspi, dspi->dma->rx_dma_buf[i]); in dspi_rx_dma_callback()
525 dma->rx_dma_buf = dma_alloc_coherent(dma->chan_rx->device->dev, in dspi_request_dma()
528 if (!dma->rx_dma_buf) { in dspi_request_dma()
565 dma_bufsize, dma->rx_dma_buf, dma->rx_dma_phys); in dspi_request_dma()
596 dma->rx_dma_buf, dma->rx_dma_phys); in dspi_release_dma()
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| D | spi-tegra20-slink.c | 197 u32 *rx_dma_buf; member
403 memcpy(t->rx_buf + tspi->cur_rx_pos, tspi->rx_dma_buf, len); in tegra_slink_copy_spi_rxbuf_to_client_rxbuf()
411 u32 x = tspi->rx_dma_buf[count] & rx_mask; in tegra_slink_copy_spi_rxbuf_to_client_rxbuf()
627 tspi->rx_dma_buf = dma_buf; in tegra_slink_init_dma_param()
650 dma_buf = tspi->rx_dma_buf; in tegra_slink_deinit_dma_param()
654 tspi->rx_dma_buf = NULL; in tegra_slink_deinit_dma_param()
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| D | spi-tegra210-quad.c | 180 u32 *rx_dma_buf; member
422 u32 x = tqspi->rx_dma_buf[count] & rx_mask; in tegra_qspi_copy_qspi_rxbuf_to_client_rxbuf()
692 if (tqspi->rx_dma_buf) { in tegra_qspi_deinit_dma()
694 tqspi->rx_dma_buf, tqspi->rx_dma_phys); in tegra_qspi_deinit_dma()
695 tqspi->rx_dma_buf = NULL; in tegra_qspi_deinit_dma()
725 tqspi->rx_dma_buf = dma_buf; in tegra_qspi_init_dma()
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| D | spi-tegra114.c | 213 u32 *rx_dma_buf; member
437 memcpy(t->rx_buf + tspi->cur_rx_pos, tspi->rx_dma_buf, len); in tegra_spi_copy_spi_rxbuf_to_client_rxbuf()
451 u32 x = tspi->rx_dma_buf[count] & rx_mask; in tegra_spi_copy_spi_rxbuf_to_client_rxbuf()
683 tspi->rx_dma_buf = dma_buf; in tegra_spi_init_dma_param()
701 dma_buf = tspi->rx_dma_buf; in tegra_spi_deinit_dma_param()
705 tspi->rx_dma_buf = NULL; in tegra_spi_deinit_dma_param()
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| D | spi-topcliff-pch.c | 748 const u8 *rx_dma_buf; in pch_spi_copy_rx_data_for_dma() local
757 rx_dma_buf = data->dma.rx_buf_virt; in pch_spi_copy_rx_data_for_dma()
759 *rx_buf++ = *rx_dma_buf++ & 0xFF; in pch_spi_copy_rx_data_for_dma()
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| /Linux-v5.15/drivers/iio/adc/ |
| D | stm32-adc.c | 213 dma_addr_t rx_dma_buf; member
1505 adc->rx_dma_buf, in stm32_adc_dma_start()
1849 &adc->rx_dma_buf, GFP_KERNEL); in stm32_adc_dma_request()
1869 adc->rx_buf, adc->rx_dma_buf); in stm32_adc_dma_request()
1999 adc->rx_buf, adc->rx_dma_buf); in stm32_adc_probe()
2021 adc->rx_buf, adc->rx_dma_buf); in stm32_adc_remove()
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| D | at91-sama5d2_adc.c | 363 dma_addr_t rx_dma_buf; member
831 st->dma_st.rx_dma_buf, in at91_adc_dma_start()
1481 &st->dma_st.rx_dma_buf, in at91_adc_dma_init()
1508 st->dma_st.rx_buf, st->dma_st.rx_dma_buf); in at91_adc_dma_init()
1532 st->dma_st.rx_buf, st->dma_st.rx_dma_buf); in at91_adc_dma_disable()
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| /Linux-v5.15/Documentation/spi/ |
| D | pxa2xx.rst | 235 if spi_message.is_dma_mapped and rx_dma_buf != 0 and tx_dma_buf != 0 then
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