75 static int rc_wait_for_update(struct qcom_ramp_controller *qrc)  in rc_wait_for_update()  argument
77 	const struct qcom_ramp_controller_desc *d = qrc->desc;  in rc_wait_for_update()
78 	struct regmap *r = qrc->regmap;  in rc_wait_for_update()
97 static int rc_set_cfg_update(struct qcom_ramp_controller *qrc, u8 ce)  in rc_set_cfg_update()  argument
99 	const struct qcom_ramp_controller_desc *d = qrc->desc;  in rc_set_cfg_update()
100 	struct regmap *r = qrc->regmap;  in rc_set_cfg_update()
148 static int rc_write_cfg(struct qcom_ramp_controller *qrc,  in rc_write_cfg()  argument
156 	ret = rc_wait_for_update(qrc);  in rc_write_cfg()
161 	ret = regmap_multi_reg_write(qrc->regmap, seq, nsids);  in rc_write_cfg()
167 		ret = rc_set_cfg_update(qrc, (u8)ce - i);  in rc_write_cfg()
181 static int rc_ramp_ctrl_enable(struct qcom_ramp_controller *qrc)  in rc_ramp_ctrl_enable()  argument
183 	const struct qcom_ramp_controller_desc *d = qrc->desc;  in rc_ramp_ctrl_enable()
187 		ret = rc_write_cfg(qrc, &d->cfg_ramp_en[i], RC_DCVS_CFG_SID, 1);  in rc_ramp_ctrl_enable()
205 static int qcom_ramp_controller_start(struct qcom_ramp_controller *qrc)  in qcom_ramp_controller_start()  argument
207 	const struct qcom_ramp_controller_desc *d = qrc->desc;  in qcom_ramp_controller_start()
211 	ret = rc_write_cfg(qrc, d->cfg_lmh_sid, RC_LMH_SID, d->num_lmh_sids);  in qcom_ramp_controller_start()
215 	ret = rc_write_cfg(qrc, d->cfg_dfs_sid, RC_DFS_SID, d->num_dfs_sids);  in qcom_ramp_controller_start()
219 	ret = rc_write_cfg(qrc, d->cfg_link_sid, RC_LINK_SID, d->num_link_sids);  in qcom_ramp_controller_start()
224 	return rc_ramp_ctrl_enable(qrc);  in qcom_ramp_controller_start()
286 	struct qcom_ramp_controller *qrc;  in qcom_ramp_controller_probe()  local
293 	qrc = devm_kmalloc(&pdev->dev, sizeof(*qrc), GFP_KERNEL);  in qcom_ramp_controller_probe()
294 	if (!qrc)  in qcom_ramp_controller_probe()
297 	qrc->desc = device_get_match_data(&pdev->dev);  in qcom_ramp_controller_probe()
298 	if (!qrc->desc)  in qcom_ramp_controller_probe()
301 	qrc->regmap = devm_regmap_init_mmio(&pdev->dev, base, &qrc_regmap_config);  in qcom_ramp_controller_probe()
302 	if (IS_ERR(qrc->regmap))  in qcom_ramp_controller_probe()
303 		return PTR_ERR(qrc->regmap);  in qcom_ramp_controller_probe()
305 	platform_set_drvdata(pdev, qrc);  in qcom_ramp_controller_probe()
307 	return qcom_ramp_controller_start(qrc);  in qcom_ramp_controller_probe()
312 	struct qcom_ramp_controller *qrc = platform_get_drvdata(pdev);  in qcom_ramp_controller_remove()  local
315 	ret = rc_write_cfg(qrc, qrc->desc->cfg_ramp_dis,  in qcom_ramp_controller_remove()
316 			   RC_DCVS_CFG_SID, qrc->desc->num_ramp_dis);  in qcom_ramp_controller_remove()