17 	int ret;  in intel_start_bus()  local
26 	ret = sdw_cdns_init(cdns);  in intel_start_bus()
27 	if (ret < 0) {  in intel_start_bus()
28 		dev_err(dev, "%s: unable to initialize Cadence IP: %d\n", __func__, ret);  in intel_start_bus()
29 		return ret;  in intel_start_bus()
35 		ret = sdw_intel_sync_go(sdw);  in intel_start_bus()
36 		if (ret < 0) {  in intel_start_bus()
37 			dev_err(dev, "%s: sync go failed: %d\n", __func__, ret);  in intel_start_bus()
38 			return ret;  in intel_start_bus()
42 	ret = sdw_cdns_config_update_set_wait(cdns);  in intel_start_bus()
43 	if (ret < 0) {  in intel_start_bus()
45 		return ret;  in intel_start_bus()
48 	ret = sdw_cdns_exit_reset(cdns);  in intel_start_bus()
49 	if (ret < 0) {  in intel_start_bus()
50 		dev_err(dev, "%s: unable to exit bus reset sequence: %d\n", __func__, ret);  in intel_start_bus()
51 		return ret;  in intel_start_bus()
54 	ret = sdw_cdns_enable_interrupt(cdns, true);  in intel_start_bus()
55 	if (ret < 0) {  in intel_start_bus()
56 		dev_err(dev, "%s: cannot enable interrupts: %d\n", __func__, ret);  in intel_start_bus()
57 		return ret;  in intel_start_bus()
73 	int ret;  in intel_start_bus_after_reset()  local
107 		ret = sdw_cdns_enable_interrupt(cdns, true);  in intel_start_bus_after_reset()
108 		if (ret < 0) {  in intel_start_bus_after_reset()
110 			return ret;  in intel_start_bus_after_reset()
114 	ret = sdw_cdns_clock_restart(cdns, !clock_stop0);  in intel_start_bus_after_reset()
115 	if (ret < 0) {  in intel_start_bus_after_reset()
119 		return ret;  in intel_start_bus_after_reset()
126 			ret = sdw_intel_sync_go(sdw);  in intel_start_bus_after_reset()
127 			if (ret < 0) {  in intel_start_bus_after_reset()
129 				return ret;  in intel_start_bus_after_reset()
133 		ret = sdw_cdns_config_update_set_wait(cdns);  in intel_start_bus_after_reset()
134 		if (ret < 0) {  in intel_start_bus_after_reset()
136 			return ret;  in intel_start_bus_after_reset()
139 		ret = sdw_cdns_exit_reset(cdns);  in intel_start_bus_after_reset()
140 		if (ret < 0) {  in intel_start_bus_after_reset()
142 			return ret;  in intel_start_bus_after_reset()
145 		ret = sdw_cdns_enable_interrupt(cdns, true);  in intel_start_bus_after_reset()
146 		if (ret < 0) {  in intel_start_bus_after_reset()
148 			return ret;  in intel_start_bus_after_reset()
171 	int ret;  in intel_start_bus_after_clock_stop()  local
173 	ret = sdw_cdns_clock_restart(cdns, false);  in intel_start_bus_after_clock_stop()
174 	if (ret < 0) {  in intel_start_bus_after_clock_stop()
175 		dev_err(dev, "%s: unable to restart clock: %d\n", __func__, ret);  in intel_start_bus_after_clock_stop()
176 		return ret;  in intel_start_bus_after_clock_stop()
179 	ret = sdw_cdns_enable_interrupt(cdns, true);  in intel_start_bus_after_clock_stop()
180 	if (ret < 0) {  in intel_start_bus_after_clock_stop()
181 		dev_err(dev, "%s: cannot enable interrupts: %d\n", __func__, ret);  in intel_start_bus_after_clock_stop()
182 		return ret;  in intel_start_bus_after_clock_stop()
195 	int ret;  in intel_stop_bus()  local
198 		ret = sdw_cdns_clock_stop(cdns, true);  in intel_stop_bus()
199 		if (ret < 0)  in intel_stop_bus()
200 			dev_err(dev, "%s: cannot stop clock: %d\n", __func__, ret);  in intel_stop_bus()
205 	ret = sdw_cdns_enable_interrupt(cdns, false);  in intel_stop_bus()
206 	if (ret < 0) {  in intel_stop_bus()
207 		dev_err(dev, "%s: cannot disable interrupts: %d\n", __func__, ret);  in intel_stop_bus()
208 		return ret;  in intel_stop_bus()
211 	ret = sdw_intel_link_power_down(sdw);  in intel_stop_bus()
212 	if (ret) {  in intel_stop_bus()
213 		dev_err(dev, "%s: Link power down failed: %d\n", __func__, ret);  in intel_stop_bus()
214 		return ret;  in intel_stop_bus()
244 	int ret = 0;  in intel_post_bank_switch()  local
261 		ret = sdw_intel_sync_go_unlocked(sdw);  in intel_post_bank_switch()
265 	if (ret < 0)  in intel_post_bank_switch()
266 		dev_err(sdw->cdns.dev, "Post bank switch failed: %d\n", ret);  in intel_post_bank_switch()
268 	return ret;  in intel_post_bank_switch()