63 static void tpiu_enable_hw(struct tpiu_drvdata *drvdata)  in tpiu_enable_hw()  argument
65 	CS_UNLOCK(drvdata->base);  in tpiu_enable_hw()
69 	CS_LOCK(drvdata->base);  in tpiu_enable_hw()
74 	struct tpiu_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);  in tpiu_enable()  local
77 	ret = clk_prepare_enable(drvdata->clk);  in tpiu_enable()
81 	tpiu_enable_hw(drvdata);  in tpiu_enable()
83 	dev_info(drvdata->dev, "TPIU enabled\n");  in tpiu_enable()
87 static void tpiu_disable_hw(struct tpiu_drvdata *drvdata)  in tpiu_disable_hw()  argument
89 	CS_UNLOCK(drvdata->base);  in tpiu_disable_hw()
92 	writel_relaxed(0x0, drvdata->base + TPIU_FFCR);  in tpiu_disable_hw()
94 	writel_relaxed(FFCR_FON_MAN, drvdata->base + TPIU_FFCR);  in tpiu_disable_hw()
96 	CS_LOCK(drvdata->base);  in tpiu_disable_hw()
101 	struct tpiu_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);  in tpiu_disable()  local
103 	tpiu_disable_hw(drvdata);  in tpiu_disable()
105 	clk_disable_unprepare(drvdata->clk);  in tpiu_disable()
107 	dev_info(drvdata->dev, "TPIU disabled\n");  in tpiu_disable()
125 	struct tpiu_drvdata *drvdata;  in tpiu_probe()  local
137 	drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);  in tpiu_probe()
138 	if (!drvdata)  in tpiu_probe()
141 	drvdata->dev = &adev->dev;  in tpiu_probe()
142 	dev_set_drvdata(dev, drvdata);  in tpiu_probe()
149 	drvdata->base = base;  in tpiu_probe()
151 	drvdata->clk = adev->pclk;  in tpiu_probe()
152 	ret = clk_prepare_enable(drvdata->clk);  in tpiu_probe()
157 	tpiu_disable_hw(drvdata);  in tpiu_probe()
159 	clk_disable_unprepare(drvdata->clk);  in tpiu_probe()
170 	drvdata->csdev = coresight_register(desc);  in tpiu_probe()
171 	if (IS_ERR(drvdata->csdev))  in tpiu_probe()
172 		return PTR_ERR(drvdata->csdev);  in tpiu_probe()
180 	struct tpiu_drvdata *drvdata = amba_get_drvdata(adev);  in tpiu_remove()  local
182 	coresight_unregister(drvdata->csdev);  in tpiu_remove()