spidelay          131 drivers/spi/spi-butterfly.c #define spidelay(X)	do { } while (0)
spidelay          117 drivers/spi/spi-gpio.c #define spidelay(nsecs)	do {} while (0)
spidelay          128 drivers/spi/spi-lm70llp.c static inline void spidelay(unsigned d)
spidelay           74 drivers/spi/spi-sh-sci.c #define spidelay(x) ndelay(x)