RK3288_CLKGEN_DIV
cclkin = 2 * ios->clock * RK3288_CLKGEN_DIV;
cclkin = ios->clock * RK3288_CLKGEN_DIV;
bus_hz = clk_get_rate(host->ciu_clk) / RK3288_CLKGEN_DIV;
unsigned long rate = clk_get_rate(host->ciu_clk) / RK3288_CLKGEN_DIV;
host->bus_hz /= RK3288_CLKGEN_DIV;
ret = clk_round_rate(host->ciu_clk, freqs[i] * RK3288_CLKGEN_DIV);
host->minimum_speed = ret / RK3288_CLKGEN_DIV;
unsigned long rate = clk_get_rate(host->ciu_clk) / RK3288_CLKGEN_DIV;