SPI_STATISTICS_HISTO_SIZE  297 drivers/spi/spi.c 	int l2len = min(fls(xfer->len), SPI_STATISTICS_HISTO_SIZE) - 1;
SPI_STATISTICS_HISTO_SIZE   72 include/linux/spi/spi.h 	unsigned long transfer_bytes_histo[SPI_STATISTICS_HISTO_SIZE];