SPI_DELAY_THRESHOLD  192 drivers/spi/spi-qup.c 		usleep_range(SPI_DELAY_THRESHOLD, SPI_DELAY_THRESHOLD * 2);
SPI_DELAY_THRESHOLD  220 drivers/spi/spi-qup.c 		usleep_range(SPI_DELAY_THRESHOLD, SPI_DELAY_THRESHOLD * 2);