fref1 811 drivers/spi/spi-pxa2xx.c unsigned long fref1 = fref / 2; /* case 1 */ fref1 824 drivers/spi/spi-pxa2xx.c q1 = DIV_ROUND_UP(fref1, rate); fref1 845 drivers/spi/spi-pxa2xx.c r1 = abs(fref1 / (1 << (24 - fls_long(mul))) / q1 - rate);