tx_dma_conf 1277 drivers/spi/spi-stm32.c struct dma_slave_config tx_dma_conf, rx_dma_conf; tx_dma_conf 1301 drivers/spi/spi-stm32.c stm32_spi_dma_config(spi, &tx_dma_conf, DMA_MEM_TO_DEV); tx_dma_conf 1302 drivers/spi/spi-stm32.c dmaengine_slave_config(spi->dma_tx, &tx_dma_conf); tx_dma_conf 1307 drivers/spi/spi-stm32.c tx_dma_conf.direction,