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Searched refs:dma_chans (Results 1 – 4 of 4) sorted by relevance

/Linux-v4.19/drivers/staging/comedi/drivers/
Dcomedi_isadma.c160 unsigned int dma_chans[2]; in comedi_isadma_alloc() local
176 dma_chans[0] = dma_chan1; in comedi_isadma_alloc()
178 dma_chans[1] = dma_chan1; in comedi_isadma_alloc()
180 dma_chans[1] = dma_chan2; in comedi_isadma_alloc()
182 if (request_dma(dma_chans[0], dev->board_name)) in comedi_isadma_alloc()
184 dma->chan = dma_chans[0]; in comedi_isadma_alloc()
185 if (dma_chans[1] != dma_chans[0]) { in comedi_isadma_alloc()
186 if (request_dma(dma_chans[1], dev->board_name)) in comedi_isadma_alloc()
189 dma->chan2 = dma_chans[1]; in comedi_isadma_alloc()
193 desc->chan = dma_chans[i]; in comedi_isadma_alloc()
/Linux-v4.19/drivers/media/platform/
Dpxa_camera.c713 struct dma_chan *dma_chans[3]; member
868 struct dma_chan *dma_chan = pcdev->dma_chans[channel]; in pxa_init_dma_channel()
924 dma_async_issue_pending(pcdev->dma_chans[i]); in pxa_dma_start_channels()
935 dmaengine_terminate_all(pcdev->dma_chans[i]); in pxa_dma_stop_channels()
1096 last_status = dma_async_is_tx_complete(pcdev->dma_chans[chan], in pxa_camera_dma_irq()
2451 pcdev->dma_chans[0] = dma_request_slave_channel(&pdev->dev, "CI_Y"); in pxa_camera_probe()
2452 if (!pcdev->dma_chans[0]) { in pxa_camera_probe()
2457 pcdev->dma_chans[1] = dma_request_slave_channel(&pdev->dev, "CI_U"); in pxa_camera_probe()
2458 if (!pcdev->dma_chans[1]) { in pxa_camera_probe()
2464 pcdev->dma_chans[2] = dma_request_slave_channel(&pdev->dev, "CI_V"); in pxa_camera_probe()
[all …]
/Linux-v4.19/drivers/mtd/nand/raw/gpmi-nand/
Dgpmi-nand.h155 struct dma_chan *dma_chans[DMA_CHANS]; member
Dgpmi-nand.c433 return this->dma_chans[0]; in get_dma_chan()
573 if (this->dma_chans[i]) { in release_dma_channels()
574 dma_release_channel(this->dma_chans[i]); in release_dma_channels()
575 this->dma_chans[i] = NULL; in release_dma_channels()
591 this->dma_chans[0] = dma_chan; in acquire_dma_channels()