Searched refs:rx_dma_buf (Results 1 – 10 of 10) sorted by relevance
| /Linux-v5.4/drivers/tty/serial/ |
| D | mxs-auart.c | 443 void *rx_dma_buf; member
862 tty_insert_flip_string(port, s->rx_dma_buf, count); in dma_rx_callback()
890 sg_init_one(sgl, s->rx_dma_buf, UART_XMIT_SIZE); in mxs_auart_dma_prep_rx()
919 kfree(s->rx_dma_buf); in mxs_auart_dma_exit_channel()
921 s->rx_dma_buf = NULL; in mxs_auart_dma_exit_channel()
945 s->rx_dma_buf = kzalloc(UART_XMIT_SIZE, GFP_KERNEL | GFP_DMA); in mxs_auart_dma_init()
946 if (!s->rx_dma_buf) in mxs_auart_dma_init()
|
| D | stm32-usart.h | 264 dma_addr_t rx_dma_buf; /* dma rx buffer bus address */ member
|
| D | stm32-usart.c | 1028 &stm32port->rx_dma_buf, in stm32_of_dma_rx_probe()
1049 stm32port->rx_dma_buf, in stm32_of_dma_rx_probe()
1073 stm32port->rx_dma_buf); in stm32_of_dma_rx_probe()
1215 if (stm32_port->rx_dma_buf) in stm32_serial_remove()
1218 stm32_port->rx_dma_buf); in stm32_serial_remove()
|
| /Linux-v5.4/drivers/spi/ |
| D | spi-tegra20-slink.c | 197 u32 *rx_dma_buf; member
406 memcpy(t->rx_buf + tspi->cur_rx_pos, tspi->rx_dma_buf, len); in tegra_slink_copy_spi_rxbuf_to_client_rxbuf()
414 u32 x = tspi->rx_dma_buf[count] & rx_mask; in tegra_slink_copy_spi_rxbuf_to_client_rxbuf()
635 tspi->rx_dma_buf = dma_buf; in tegra_slink_init_dma_param()
658 dma_buf = tspi->rx_dma_buf; in tegra_slink_deinit_dma_param()
662 tspi->rx_dma_buf = NULL; in tegra_slink_deinit_dma_param()
|
| D | spi-fsl-dspi.c | 166 u32 *rx_dma_buf; member
263 dspi_push_rx(dspi, dspi->dma->rx_dma_buf[i]); in dspi_rx_dma_callback()
416 dma->rx_dma_buf = dma_alloc_coherent(dev, DSPI_DMA_BUFSIZE, in dspi_request_dma()
418 if (!dma->rx_dma_buf) { in dspi_request_dma()
454 dma->rx_dma_buf, dma->rx_dma_phys); in dspi_request_dma()
|
| 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()
689 tspi->rx_dma_buf = dma_buf; in tegra_spi_init_dma_param()
707 dma_buf = tspi->rx_dma_buf; in tegra_spi_deinit_dma_param()
711 tspi->rx_dma_buf = NULL; in tegra_spi_deinit_dma_param()
|
| D | spi-topcliff-pch.c | 742 const u8 *rx_dma_buf; in pch_spi_copy_rx_data_for_dma() local
751 rx_dma_buf = data->dma.rx_buf_virt; in pch_spi_copy_rx_data_for_dma()
753 *rx_buf++ = *rx_dma_buf++ & 0xFF; in pch_spi_copy_rx_data_for_dma()
|
| /Linux-v5.4/drivers/iio/adc/ |
| D | stm32-adc.c | 207 dma_addr_t rx_dma_buf; member
1389 adc->rx_dma_buf, in stm32_adc_dma_start()
1750 &adc->rx_dma_buf, GFP_KERNEL); in stm32_adc_dma_request()
1770 adc->rx_buf, adc->rx_dma_buf); in stm32_adc_dma_request()
1890 adc->rx_buf, adc->rx_dma_buf); in stm32_adc_probe()
1912 adc->rx_buf, adc->rx_dma_buf); in stm32_adc_remove()
|
| D | at91-sama5d2_adc.c | 360 dma_addr_t rx_dma_buf; member
842 st->dma_st.rx_dma_buf, in at91_adc_dma_start()
1456 &st->dma_st.rx_dma_buf, in at91_adc_dma_init()
1483 st->dma_st.rx_buf, st->dma_st.rx_dma_buf); in at91_adc_dma_init()
1507 st->dma_st.rx_buf, st->dma_st.rx_dma_buf); in at91_adc_dma_disable()
|
| /Linux-v5.4/Documentation/spi/ |
| D | pxa2xx.rst | 228 if spi_message.is_dma_mapped and rx_dma_buf != 0 and tx_dma_buf != 0 then
|
