i3c/master/i3c-master-cdns.c

1182 	unsigned long sysclk_rate = clk_get_rate(master->sysclk);
1184 				    (NSEC_PER_SEC / sysclk_rate));
1197 	unsigned long pres_step, sysclk_rate, max_i2cfreq;
1220 	sysclk_rate = clk_get_rate(master->sysclk);
1221 	if (!sysclk_rate)
1224 	pres = DIV_ROUND_UP(sysclk_rate, (bus->scl_rate.i3c * 4)) - 1;
1228 	bus->scl_rate.i3c = sysclk_rate / ((pres + 1) * 4);
1232 	low = ((I3C_BUS_TLOW_OD_MIN_NS * sysclk_rate) / (pres + 1)) - 2;
1237 	pres = (sysclk_rate / (max_i2cfreq * 5)) - 1;
1241 	bus->scl_rate.i2c = sysclk_rate / ((pres + 1) * 5);