Lines Matching refs:scbr
815 u32 scbr, csr;
833 scbr = DIV_ROUND_UP(bus_hz, xfer->speed_hz);
839 if (scbr >= (1 << SPI_SCBR_SIZE)) {
841 "setup: %d Hz too slow, scbr %u; min %ld Hz\n",
842 xfer->speed_hz, scbr, bus_hz/255);
845 if (scbr == 0) {
847 "setup: %d Hz too high, scbr %u; max %ld Hz\n",
848 xfer->speed_hz, scbr, bus_hz);
852 csr = SPI_BFINS(SCBR, scbr, csr);
854 xfer->effective_speed_hz = bus_hz / scbr;