FCR_CTCF 314 drivers/spi/spi-stm32-qspi.c writel_relaxed(FCR_CTCF | FCR_CTEF, qspi->io_base + QSPI_FCR); FCR_CTCF 420 drivers/spi/spi-stm32-qspi.c writel_relaxed(FCR_CTCF, qspi->io_base + QSPI_FCR);