64 static void tpiu_enable_hw(struct tpiu_drvdata *drvdata)  in tpiu_enable_hw()  argument
66 	CS_UNLOCK(drvdata->base);  in tpiu_enable_hw()
70 	CS_LOCK(drvdata->base);  in tpiu_enable_hw()
75 	struct tpiu_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);  in tpiu_enable()  local
78 	tpiu_enable_hw(drvdata);  in tpiu_enable()
80 	dev_info(drvdata->dev, "TPIU enabled\n");  in tpiu_enable()
84 static void tpiu_disable_hw(struct tpiu_drvdata *drvdata)  in tpiu_disable_hw()  argument
86 	CS_UNLOCK(drvdata->base);  in tpiu_disable_hw()
89 	writel_relaxed(0x0, drvdata->base + TPIU_FFCR);  in tpiu_disable_hw()
91 	writel_relaxed(FFCR_FON_MAN, drvdata->base + TPIU_FFCR);  in tpiu_disable_hw()
93 	CS_LOCK(drvdata->base);  in tpiu_disable_hw()
98 	struct tpiu_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);  in tpiu_disable()  local
100 	tpiu_disable_hw(drvdata);  in tpiu_disable()
103 	dev_info(drvdata->dev, "TPIU disabled\n");  in tpiu_disable()
121 	struct tpiu_drvdata *drvdata;  in tpiu_probe()  local
133 	drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);  in tpiu_probe()
134 	if (!drvdata)  in tpiu_probe()
137 	drvdata->dev = &adev->dev;  in tpiu_probe()
138 	drvdata->atclk = devm_clk_get(&adev->dev, "atclk"); /* optional */  in tpiu_probe()
139 	if (!IS_ERR(drvdata->atclk)) {  in tpiu_probe()
140 		ret = clk_prepare_enable(drvdata->atclk);  in tpiu_probe()
144 	dev_set_drvdata(dev, drvdata);  in tpiu_probe()
151 	drvdata->base = base;  in tpiu_probe()
154 	tpiu_disable_hw(drvdata);  in tpiu_probe()
167 	drvdata->csdev = coresight_register(desc);  in tpiu_probe()
168 	if (IS_ERR(drvdata->csdev))  in tpiu_probe()
169 		return PTR_ERR(drvdata->csdev);  in tpiu_probe()
177 	struct tpiu_drvdata *drvdata = amba_get_drvdata(adev);  in tpiu_remove()  local
179 	coresight_unregister(drvdata->csdev);  in tpiu_remove()
186 	struct tpiu_drvdata *drvdata = dev_get_drvdata(dev);  in tpiu_runtime_suspend()  local
188 	if (drvdata && !IS_ERR(drvdata->atclk))  in tpiu_runtime_suspend()
189 		clk_disable_unprepare(drvdata->atclk);  in tpiu_runtime_suspend()
196 	struct tpiu_drvdata *drvdata = dev_get_drvdata(dev);  in tpiu_runtime_resume()  local
198 	if (drvdata && !IS_ERR(drvdata->atclk))  in tpiu_runtime_resume()
199 		clk_prepare_enable(drvdata->atclk);  in tpiu_runtime_resume()