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

/Linux-v5.10/drivers/spi/
Dspi-stm32-qspi.c112 struct dma_chan *dma_chtx; member
217 dma_ch = qspi->dma_chtx; in stm32_qspi_tx_dma()
273 (op->data.dir == SPI_MEM_DATA_OUT && qspi->dma_chtx)) in stm32_qspi_tx()
519 qspi->dma_chtx = dma_request_chan(dev, "tx"); in stm32_qspi_dma_setup()
520 if (IS_ERR(qspi->dma_chtx)) { in stm32_qspi_dma_setup()
521 ret = PTR_ERR(qspi->dma_chtx); in stm32_qspi_dma_setup()
522 qspi->dma_chtx = NULL; in stm32_qspi_dma_setup()
524 if (dmaengine_slave_config(qspi->dma_chtx, &dma_cfg)) { in stm32_qspi_dma_setup()
526 dma_release_channel(qspi->dma_chtx); in stm32_qspi_dma_setup()
527 qspi->dma_chtx = NULL; in stm32_qspi_dma_setup()
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