QSPI_DR 178 drivers/spi/spi-stm32-qspi.c tx_fifo(buf++, qspi->io_base + QSPI_DR); QSPI_DR 482 drivers/spi/spi-stm32-qspi.c dma_cfg.src_addr = qspi->phys_base + QSPI_DR; QSPI_DR 483 drivers/spi/spi-stm32-qspi.c dma_cfg.dst_addr = qspi->phys_base + QSPI_DR;