| /linux/drivers/i2c/busses/ |
| H A D | i2c-stm32.c | 47 dma->chan_rx = dma_request_chan(dev, "rx"); in stm32_i2c_dma_request()
48 if (IS_ERR(dma->chan_rx)) { in stm32_i2c_dma_request()
49 ret = PTR_ERR(dma->chan_rx); in stm32_i2c_dma_request()
61 ret = dmaengine_slave_config(dma->chan_rx, &dma_sconfig); in stm32_i2c_dma_request()
70 dma_chan_name(dma->chan_tx), dma_chan_name(dma->chan_rx)); in stm32_i2c_dma_request()
75 dma_release_channel(dma->chan_rx); in stm32_i2c_dma_request()
92 dma_release_channel(dma->chan_rx); in stm32_i2c_dma_free()
93 dma->chan_rx = NULL; in stm32_i2c_dma_free()
107 dma->chan_using = dma->chan_rx; in stm32_i2c_prep_dma_xfer()
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| H A D | i2c-at91-master.c | 141 dmaengine_terminate_sync(dma->chan_rx); in at91_twi_dma_cleanup()
338 struct dma_chan *chan_rx = dma->chan_rx; in at91_twi_read_data_dma() local
370 rxdesc = dmaengine_prep_slave_sg(chan_rx, dma->sg, 1, DMA_DEV_TO_MEM, in at91_twi_read_data_dma()
382 dma_async_issue_pending(dma->chan_rx); in at91_twi_read_data_dma()
786 dma->chan_rx = dma_request_chan(dev->dev, "rx"); in at91_twi_configure_dma()
787 if (IS_ERR(dma->chan_rx)) { in at91_twi_configure_dma()
788 ret = PTR_ERR(dma->chan_rx); in at91_twi_configure_dma()
789 dma->chan_rx = NULL; in at91_twi_configure_dma()
801 if (dmaengine_slave_config(dma->chan_rx, &slave_config)) { in at91_twi_configure_dma()
813 dma_chan_name(dma->chan_tx), dma_chan_name(dma->chan_rx)); in at91_twi_configure_dma()
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| H A D | i2c-imx-lpi2c.c | 174 struct dma_chan *chan_rx; member
776 ? dma->chan_rx : dma->chan_tx; in lpi2c_dma_unmap()
794 dmaengine_terminate_sync(dma->chan_rx); in lpi2c_cleanup_dma()
861 chan = dma->chan_rx; in lpi2c_dma_submit()
970 ret = dmaengine_slave_config(dma->chan_rx, &rx); in lpi2c_dma_config()
1388 if (dma->chan_rx) in dma_exit()
1389 dma_release_channel(dma->chan_rx); in dma_exit()
1420 dma->chan_rx = dma_request_chan(dev, "rx"); in lpi2c_dma_init()
1421 if (IS_ERR(dma->chan_rx)) { in lpi2c_dma_init()
1422 ret = PTR_ERR(dma->chan_rx); in lpi2c_dma_init()
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| H A D | i2c-imx.c | 218 struct dma_chan *chan_rx; member
431 dma->chan_rx = dma_request_chan(dev, "rx"); in i2c_imx_dma_request()
432 if (IS_ERR(dma->chan_rx)) { in i2c_imx_dma_request()
433 ret = PTR_ERR(dma->chan_rx); in i2c_imx_dma_request()
444 ret = dmaengine_slave_config(dma->chan_rx, &dma_sconfig); in i2c_imx_dma_request()
453 dma_chan_name(dma->chan_tx), dma_chan_name(dma->chan_rx)); in i2c_imx_dma_request()
458 dma_release_channel(dma->chan_rx); in i2c_imx_dma_request()
530 dma_release_channel(dma->chan_rx); in i2c_imx_dma_free()
531 dma->chan_rx = NULL; in i2c_imx_dma_free()
1271 dma->chan_using = dma->chan_rx; in i2c_imx_dma_read()
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| H A D | i2c-stm32.h | 38 struct dma_chan *chan_rx; member
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| H A D | i2c-at91.h | 128 struct dma_chan *chan_rx; member
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| /linux/drivers/spi/ |
| H A D | spi-fsl-dspi.c | 330 struct dma_chan *chan_rx; member
593 dma->rx_desc = dmaengine_prep_slave_single(dma->chan_rx, in dspi_next_xfer_dma_submit()
613 dma_async_issue_pending(dma->chan_rx); in dspi_next_xfer_dma_submit()
627 dmaengine_terminate_all(dma->chan_rx); in dspi_next_xfer_dma_submit()
636 dmaengine_terminate_all(dma->chan_rx); in dspi_next_xfer_dma_submit()
681 dma->chan_rx = dma_request_chan(dev, "rx"); in dspi_request_dma()
682 if (IS_ERR(dma->chan_rx)) in dspi_request_dma()
683 return dev_err_probe(dev, PTR_ERR(dma->chan_rx), "rx dma channel not available\n"); in dspi_request_dma()
697 dma->bufsize = min(dma_get_max_seg_size(dma->chan_rx->device->dev), in dspi_request_dma()
712 dma->rx_dma_buf = dma_alloc_noncoherent(dma->chan_rx->device->dev, in dspi_request_dma()
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| H A D | spi-topcliff-pch.c | 112 struct dma_chan *chan_rx; member
869 dma->chan_rx = chan; in pch_spi_request_dma()
887 if (dma->chan_rx) { in pch_spi_release_dma()
888 dma_release_channel(dma->chan_rx); in pch_spi_release_dma()
889 dma->chan_rx = NULL; in pch_spi_release_dma()
1015 desc_rx = dmaengine_prep_slave_sg(dma->chan_rx, sg, in pch_spi_handle_dma()
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| /linux/drivers/mmc/host/ |
| H A D | usdhi6rol0.c | 198 struct dma_chan *chan_rx; member
525 if (host->chan_rx) { in usdhi6_dma_release()
526 struct dma_chan *chan = host->chan_rx; in usdhi6_dma_release()
527 host->chan_rx = NULL; in usdhi6_dma_release()
543 dma_unmap_sg(host->chan_rx->device->dev, data->sg, in usdhi6_dma_stop_unmap()
617 if (!host->chan_rx || !host->chan_tx) in usdhi6_dma_start()
621 return usdhi6_dma_setup(host, host->chan_rx, DMA_DEV_TO_MEM); in usdhi6_dma_start()
634 dmaengine_terminate_sync(host->chan_rx); in usdhi6_dma_kill()
668 dma_async_issue_pending(host->chan_rx); in usdhi6_dma_kick()
698 host->chan_rx = dma_request_chan(mmc_dev(host->mmc), "rx"); in usdhi6_dma_request()
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| H A D | uniphier-sd.c | 199 host->chan_rx = chan; in uniphier_sd_external_dma_request()
262 if ((data->flags & MMC_DATA_READ) && !host->chan_rx) in uniphier_sd_internal_dma_start()
316 host->chan_rx = (void *)0xdeadbeaf; in uniphier_sd_internal_dma_request()
326 host->chan_rx = NULL; in uniphier_sd_internal_dma_release()
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| /linux/include/linux/soc/ti/ |
| H A D | ti-msgmgr.h | 29 struct mbox_chan *chan_rx; member
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| /linux/drivers/tty/serial/ |
| H A D | pch_uart.c | 229 struct dma_chan *chan_rx; member
639 if (priv->chan_rx) { in pch_free_dma()
640 dma_release_channel(priv->chan_rx); in pch_free_dma()
641 priv->chan_rx = NULL; in pch_free_dma()
716 priv->chan_rx = chan; in pch_request_dma()
792 desc = dmaengine_prep_slave_sg(priv->chan_rx, in dma_handle_rx()
803 dma_async_issue_pending(priv->chan_rx); in dma_handle_rx()
1416 if (priv->chan_rx) in pch_uart_verify_port()
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| H A D | atmel_serial.c | 132 struct dma_chan *chan_rx; member
1086 struct dma_chan *chan = atmel_port->chan_rx; in atmel_release_rx_dma()
1096 atmel_port->chan_rx = NULL; in atmel_release_rx_dma()
1105 struct dma_chan *chan = atmel_port->chan_rx; in atmel_rx_from_dma()
1196 atmel_port->chan_rx = NULL; in atmel_prepare_rx_dma()
1199 atmel_port->chan_rx = chan; in atmel_prepare_rx_dma()
1201 dma_chan_name(atmel_port->chan_rx)); in atmel_prepare_rx_dma()
1225 ret = dmaengine_slave_config(atmel_port->chan_rx, in atmel_prepare_rx_dma()
1235 desc = dmaengine_prep_dma_cyclic(atmel_port->chan_rx, in atmel_prepare_rx_dma()
1255 dma_async_issue_pending(atmel_port->chan_rx); in atmel_prepare_rx_dma()
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| H A D | sh-sci.c | 1479 s->chan_rx = NULL; in sci_dma_rx_chan_invalidate()
1532 struct dma_chan *chan = s->chan_rx; in sci_dma_rx_complete()
1552 desc = dmaengine_prep_slave_sg(s->chan_rx, &s->sg_rx[active], 1, in sci_dma_rx_complete()
1600 struct dma_chan *chan = s->chan_rx; in sci_dma_rx_submit()
1708 struct dma_chan *chan = s->chan_rx; in sci_dma_rx_timer_fn()
1726 status = dmaengine_tx_status(s->chan_rx, s->active_rx, &state); in sci_dma_rx_timer_fn()
1744 status = dmaengine_tx_status(s->chan_rx, s->active_rx, &state); in sci_dma_rx_timer_fn()
1752 dmaengine_terminate_async(s->chan_rx); in sci_dma_rx_timer_fn()
1883 s->chan_rx_saved = s->chan_rx = chan; in sci_request_dma()
1951 if (s->chan_rx) { in sci_rx_interrupt()
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| /linux/drivers/firmware/ |
| H A D | ti_sci.c | 118 struct mbox_chan *chan_rx; member
345 xfer->tx_message.chan_rx = info->chan_rx; in ti_sci_get_one_xfer()
3994 info->chan_rx = mbox_request_channel_byname(cl, "rx"); in ti_sci_probe()
3995 if (IS_ERR(info->chan_rx)) { in ti_sci_probe()
3996 ret = PTR_ERR(info->chan_rx); in ti_sci_probe()
4060 if (!IS_ERR(info->chan_rx)) in ti_sci_probe()
4061 mbox_free_channel(info->chan_rx); in ti_sci_probe()
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| /linux/drivers/mailbox/ |
| H A D | ti-msgmgr.c | 449 if (ti_msgmgr_chan_has_polled_queue_rx(message->chan_rx)) in ti_msgmgr_send_data()
450 ret = ti_msgmgr_queue_rx_poll_timeout(message->chan_rx, in ti_msgmgr_send_data()
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