SUN6I_TFR_CTL_CS_MASK   37 drivers/spi/spi-sun6i.c #define SUN6I_TFR_CTL_CS(cs)			(((cs) << 4) & SUN6I_TFR_CTL_CS_MASK)
SUN6I_TFR_CTL_CS_MASK  180 drivers/spi/spi-sun6i.c 	reg &= ~SUN6I_TFR_CTL_CS_MASK;