98 		if (!iface->mclk) {  in axg_tdm_iface_set_sysclk()
101 			ret = clk_set_rate(iface->mclk, freq);  in axg_tdm_iface_set_sysclk()
116 		if (!iface->mclk) {  in axg_tdm_iface_set_fmt()
117 			dev_err(dai->dev, "cpu clock master: mclk missing\n");  in axg_tdm_iface_set_fmt()
261 		/* If no specific mclk is requested, default to bit clock * 4 */  in axg_tdm_iface_set_sclk()
262 		clk_set_rate(iface->mclk, 4 * srate);  in axg_tdm_iface_set_sclk()
264 		/* Check if we can actually get the bit clock from mclk */  in axg_tdm_iface_set_sclk()
267 				"can't derive sclk %lu from mclk %lu\n",  in axg_tdm_iface_set_sclk()
446 			ret = clk_prepare_enable(iface->mclk);  in axg_tdm_iface_set_bias_level()
451 			clk_disable_unprepare(iface->mclk);  in axg_tdm_iface_set_bias_level()
517 	 * mclk maybe be missing when the cpu dai is in slave mode and  in axg_tdm_iface_probe()
519 	 * At this point, ignore the error if mclk is missing. We'll  in axg_tdm_iface_probe()
520 	 * throw an error if the cpu dai is master and mclk is missing  in axg_tdm_iface_probe()
522 	iface->mclk = devm_clk_get(dev, "mclk");  in axg_tdm_iface_probe()
523 	if (IS_ERR(iface->mclk)) {  in axg_tdm_iface_probe()
524 		ret = PTR_ERR(iface->mclk);  in axg_tdm_iface_probe()
526 			iface->mclk = NULL;  in axg_tdm_iface_probe()
529 				dev_err(dev, "failed to get mclk: %d\n", ret);  in axg_tdm_iface_probe()