396 	uint32_t div;  in rpi3_sdhost_set_clock()  local
404 	div = max_clk / clk;  in rpi3_sdhost_set_clock()
405 	if (div < 2)  in rpi3_sdhost_set_clock()
406 		div = 2;  in rpi3_sdhost_set_clock()
408 	if ((max_clk / div) > clk)  in rpi3_sdhost_set_clock()
409 		div++;  in rpi3_sdhost_set_clock()
411 	div -= 2;  in rpi3_sdhost_set_clock()
412 	if (div > HC_CLOCKDIVISOR_MAXVAL)  in rpi3_sdhost_set_clock()
413 		div = HC_CLOCKDIVISOR_MAXVAL;  in rpi3_sdhost_set_clock()
415 	rpi3_sdhost_params.clk_rate = max_clk / (div + 2);  in rpi3_sdhost_set_clock()
420 	mmio_write_32(reg_base + HC_CLOCKDIVISOR, div);  in rpi3_sdhost_set_clock()