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Searched refs:rx_dma_buf (Results 1 – 5 of 5) sorted by relevance

/linux/drivers/tty/serial/
H A Dmxs-auart.c437 void *rx_dma_buf; member
823 tty_insert_flip_string(port, s->rx_dma_buf, count); in dma_rx_callback()
851 sg_init_one(sgl, s->rx_dma_buf, UART_XMIT_SIZE); in mxs_auart_dma_prep_rx()
880 kfree(s->rx_dma_buf); in mxs_auart_dma_exit_channel()
882 s->rx_dma_buf = NULL; in mxs_auart_dma_exit_channel()
910 s->rx_dma_buf = kzalloc(UART_XMIT_SIZE, GFP_KERNEL | GFP_DMA); in mxs_auart_dma_init()
911 if (!s->rx_dma_buf) in mxs_auart_dma_init()
H A Dstm32-usart.h203 dma_addr_t rx_dma_buf; /* dma rx buffer bus address */ member
/linux/drivers/spi/
H A Dspi-tegra114.c212 u32 *rx_dma_buf; member
436 memcpy(t->rx_buf + tspi->cur_rx_pos, tspi->rx_dma_buf, len); in tegra_spi_copy_spi_rxbuf_to_client_rxbuf()
450 u32 x = tspi->rx_dma_buf[count] & rx_mask; in tegra_spi_copy_spi_rxbuf_to_client_rxbuf()
682 tspi->rx_dma_buf = dma_buf; in tegra_spi_init_dma_param()
700 dma_buf = tspi->rx_dma_buf; in tegra_spi_deinit_dma_param()
704 tspi->rx_dma_buf = NULL; in tegra_spi_deinit_dma_param()
/linux/drivers/iio/adc/
H A Dat91-sama5d2_adc.c553 dma_addr_t rx_dma_buf; member
1234 st->dma_st.rx_dma_buf, in at91_adc_dma_start()
2032 &st->dma_st.rx_dma_buf, in at91_adc_dma_init()
2059 st->dma_st.rx_buf, st->dma_st.rx_dma_buf); in at91_adc_dma_init()
2083 st->dma_st.rx_buf, st->dma_st.rx_dma_buf); in at91_adc_dma_disable()
/linux/Documentation/arch/arm/stm32/
H A Dstm32-dma-mdma-chaining.rst328 mdma_conf.dst_addr = rx_dma_buf; // original memory buffer