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/device/soc/rockchip/common/sdk_linux/drivers/spi/
H A Dspi-rockchip.c457 struct dma_async_tx_descriptor *rxdesc, *txdesc; in rockchip_spi_prepare_dma() local
464 rxdesc = NULL; in rockchip_spi_prepare_dma()
475 rxdesc = dmaengine_prep_slave_sg(ctlr->dma_rx, xfer->rx_sg.sgl, xfer->rx_sg.nents, DMA_DEV_TO_MEM, in rockchip_spi_prepare_dma()
477 if (!rxdesc) { in rockchip_spi_prepare_dma()
481 rxdesc->callback = rockchip_spi_dma_rxcb; in rockchip_spi_prepare_dma()
482 rxdesc->callback_param = ctlr; in rockchip_spi_prepare_dma()
499 if (rxdesc) { in rockchip_spi_prepare_dma()
510 if (rxdesc) { in rockchip_spi_prepare_dma()
512 ctlr->dma_rx->cookie = dmaengine_submit(rxdesc); in rockchip_spi_prepare_dma()

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