CR_PRESC_MASK     356 drivers/spi/spi-stm32-qspi.c 	cr &= ~CR_PRESC_MASK & ~CR_FSEL;
CR_PRESC_MASK     357 drivers/spi/spi-stm32-qspi.c 	cr |= FIELD_PREP(CR_PRESC_MASK, flash->presc);